Merge branch 'develop' into re-ed25519

2024-09-24 18:40:32 +09:00 · 2024-09-24 18:40:32 +09:00 · 97cdde1b32
parent 61d5371073 7045547e46
commit 97cdde1b32
176 changed files with 6321 additions and 6734 deletions
--- a/.github/workflows/check-spdx-license-id.yml
+++ b/.github/workflows/check-spdx-license-id.yml
@ -48,13 +48,15 @@ jobs:
            "packages/backend/migration"
            "packages/backend/src"
            "packages/backend/test"
-            "packages/frontend-shared/src"
+            "packages/frontend-shared/@types"
+            "packages/frontend-shared/js"
            "packages/frontend/.storybook"
            "packages/frontend/@types"
            "packages/frontend/lib"
            "packages/frontend/public"
            "packages/frontend/src"
            "packages/frontend/test"
+            "packages/frontend-embed/@types"
            "packages/frontend-embed/src"
            "packages/misskey-bubble-game/src"
            "packages/misskey-reversi/src"
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -12,6 +12,8 @@ on:
      - packages/frontend-embed/**
      - packages/sw/**
      - packages/misskey-js/**
+      - packages/misskey-bubble-game/**
+      - packages/misskey-reversi/**
      - packages/shared/eslint.config.js
      - .github/workflows/lint.yml
  pull_request:
@ -22,6 +24,8 @@ on:
      - packages/frontend-embed/**
      - packages/sw/**
      - packages/misskey-js/**
+      - packages/misskey-bubble-game/**
+      - packages/misskey-reversi/**
      - packages/shared/eslint.config.js
      - .github/workflows/lint.yml
 jobs:
@ -53,6 +57,8 @@ jobs:
        - frontend-embed
        - sw
        - misskey-js
+        - misskey-bubble-game
+        - misskey-reversi
    env:
      eslint-cache-version: v1
      eslint-cache-path: ${{ github.workspace }}/node_modules/.cache/eslint-${{ matrix.workspace }}
--- a/.github/workflows/report-api-diff.yml
+++ b/.github/workflows/report-api-diff.yml
@ -79,15 +79,13 @@ jobs:
          if (( "$DIFF_BYTES" <= 1 )); then
            echo '差分はありません。' >> ./output.md
          else
-            cat <<- EOF >> ./output.md
-            <details>
-            <summary>差分はこちら</summary>
-            
-            \`\`\`diff
-            $(cat ./api.json.diff)
-            \`\`\`
-            </details>
-            EOF
+            echo '<details>' >> ./output.md
+            echo '<summary>差分はこちら</summary>' >> ./output.md
+            echo >> ./output.md
+            echo '```diff' >> ./output.md
+            cat ./api.json.diff >> ./output.md
+            echo '```' >> ./output.md
+            echo '</details>' >> .output.md
          fi
          
          echo "$FOOTER" >> ./output.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -2,6 +2,8 @@

 ### General
 - Feat: UserWebhookとSystemWebhookのテスト送信機能を追加 (#14445)
+- Feat: モデレーターはユーザーにかかわらずファイルが添付されているノートを検索できるように  
+  (Cherry-picked from https://github.com/MisskeyIO/misskey/pull/680)
 - Enhance: ユーザーによるコンテンツインポートの可否をロールポリシーで制御できるように

 ### Client
@ -11,13 +13,18 @@
 - Enhance: アイコンデコレーション管理画面にプレビューを追加
 - Enhance: コントロールパネル内のファイル一覧でセンシティブなファイルを区別しやすく
 - Enhance: ScratchpadにUIインスペクターを追加
+- Enhance: Play編集画面の項目の並びを少しリデザイン
 - Fix: サーバーメトリクスが2つ以上あるとリロード直後の表示がおかしくなる問題を修正
+- Fix: コントロールパネル内のAp requests内のチャートの表示がおかしかった問題を修正
 - Fix: 月の違う同じ日はセパレータが表示されないのを修正
+- Fix: タッチ画面でレンジスライダーを操作するとツールチップが複数表示される問題を修正  
+  (Cherry-picked from https://github.com/taiyme/misskey/pull/265)
 - Fix: 縦横比が極端なカスタム絵文字を表示する際にレイアウトが崩れる箇所があるのを修正  
  (Cherry-picked from https://github.com/MisskeyIO/misskey/pull/725)
 - Fix: 設定変更時のリロード確認ダイアログが複数個表示されることがある問題を修正
 - Fix: ファイルの詳細ページのファイルの説明で改行が正しく表示されない問題を修正  
  (Cherry-picked from https://activitypub.software/TransFem-org/Sharkey/-/commit/bde6bb0bd2e8b0d027e724d2acdb8ae0585a8110)
+- Fix: 一部画面のページネーションが動作しにくくなっていたのを修正 ( #12766 , #11449 )

 ### Server
 - Feat: Misskey® Reactions Buffering Technology™ (RBT)により、リアクションの作成負荷を低減することが可能に
@ -26,8 +33,11 @@
 - Fix: ファイルがサイズの制限を超えてアップロードされた際にエラーを返さなかった問題を修正
 - Fix: 外部ページを解析する際に、ページに紐づけられた関連リソースも読み込まれてしまう問題を修正  
  (Cherry-picked from https://activitypub.software/TransFem-org/Sharkey/-/commit/26e0412fbb91447c37e8fb06ffb0487346063bb8)
+- Fix: Continue importing from file if single emoji import fails
 - Fix: `Retry-After`ヘッダーが送信されなかった問題を修正
  (Cherry-picked from https://activitypub.software/TransFem-org/Sharkey/-/commit/8a982c61c01909e7540ff1be9f019df07c3f0624)
+- Fix: サーバーサイドのDOM解析完了時にリソースを開放するように
+	(Cherry-picked from https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/634)

 ## 2024.8.0

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -572,3 +572,24 @@ marginはそのコンポーネントを使う側が設定する

 ### indexというファイル名を使うな
 ESMではディレクトリインポートは廃止されているのと、ディレクトリインポートせずともファイル名が index だと何故か一部のライブラリ？でディレクトリインポートだと見做されてエラーになる
+
+## CSS Recipe
+
+### Lighten CSS vars
+
+``` css
+color: hsl(from var(--accent) h s calc(l + 10));
+```
+
+### Darken CSS vars
+
+``` css
+color: hsl(from var(--accent) h s calc(l - 10));
+```
+
+### Add alpha to CSS vars
+
+``` css
+color: color(from var(--accent) srgb r g b / 0.5);
+```
+
--- a/idea/MkDisableSection.vue
+++ b/idea/MkDisableSection.vue
@ -0,0 +1,41 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div :class="[$style.root]">
+	<div :inert="disabled" :class="[{ [$style.disabled]: disabled }]">
+		<slot></slot>
+	</div>
+	<div v-if="disabled" :class="[$style.cover]"></div>
+</div>
+</template>
+
+<script lang="ts" setup>
+defineProps<{
+	disabled?: boolean;
+}>();
+</script>
+
+<style lang="scss" module>
+.root {
+	position: relative;
+}
+
+.disabled {
+	opacity: 0.7;
+}
+
+.cover {
+	position: absolute;
+	top: 0;
+	left: 0;
+	width: 100%;
+	height: 100%;
+	cursor: not-allowed;
+	--color: color(from var(--error) srgb r g b / 0.25);
+	background-size: auto auto;
+	background-image: repeating-linear-gradient(135deg, transparent, transparent 10px, var(--color) 4px, var(--color) 14px);
+}
+</style>
--- a/idea/README.md
+++ b/idea/README.md
@ -0,0 +1 @@
+使われなくなったけど消すのは勿体ない(将来使えるかもしれない)コードを入れておくとこ
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@ -5092,6 +5092,22 @@ export interface Locale extends ILocale {
     * これ以上このクリップにノートを追加できません。
     */
    "clipNoteLimitExceeded": string;
+    /**
+     * パフォーマンス
+     */
+    "performance": string;
+    /**
+     * 変更あり
+     */
+    "modified": string;
+    /**
+     * 破棄
+     */
+    "discard": string;
+    /**
+     * {n}件の変更があります
+     */
+    "thereAreNChanges": ParameterizedString<"n">;
    "_delivery": {
        /**
         * 配信状態
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@ -1269,6 +1269,10 @@ fromX: "{x}から"
 genEmbedCode: "埋め込みコードを生成"
 noteOfThisUser: "このユーザーのノート一覧"
 clipNoteLimitExceeded: "これ以上このクリップにノートを追加できません。"
+performance: "パフォーマンス"
+modified: "変更あり"
+discard: "破棄"
+thereAreNChanges: "{n}件の変更があります"

 _delivery:
  status: "配信状態"
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "2024.9.0-alpha.2",
+	"version": "2024.9.0-alpha.9",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
@ -56,11 +56,11 @@
 		"fast-glob": "3.3.2",
 		"ignore-walk": "6.0.5",
 		"js-yaml": "4.1.0",
-		"postcss": "8.4.40",
+		"postcss": "8.4.47",
 		"tar": "6.2.1",
-		"terser": "5.31.3",
-		"typescript": "5.5.4",
-		"esbuild": "0.23.0",
+		"terser": "5.33.0",
+		"typescript": "5.6.2",
+		"esbuild": "0.23.1",
 		"glob": "11.0.0"
 	},
 	"devDependencies": {
@ -69,11 +69,11 @@
 		"@typescript-eslint/eslint-plugin": "7.17.0",
 		"@typescript-eslint/parser": "7.17.0",
 		"cross-env": "7.0.3",
-		"cypress": "13.13.1",
+		"cypress": "13.14.2",
 		"eslint": "9.8.0",
-		"globals": "15.8.0",
+		"globals": "15.9.0",
 		"ncp": "2.0.0",
-		"start-server-and-test": "2.0.4"
+		"start-server-and-test": "2.0.8"
 	},
 	"optionalDependencies": {
 		"@tensorflow/tfjs-core": "4.4.0"
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@ -67,25 +67,25 @@
 	"dependencies": {
 		"@aws-sdk/client-s3": "3.620.0",
 		"@aws-sdk/lib-storage": "3.620.0",
-		"@bull-board/api": "5.21.1",
-		"@bull-board/fastify": "5.21.1",
-		"@bull-board/ui": "5.21.1",
-		"@discordapp/twemoji": "15.0.3",
-		"@fastify/accepts": "4.3.0",
-		"@fastify/cookie": "9.3.1",
-		"@fastify/cors": "9.0.1",
-		"@fastify/express": "3.0.0",
-		"@fastify/http-proxy": "9.5.0",
-		"@fastify/multipart": "8.3.0",
-		"@fastify/static": "7.0.4",
-		"@fastify/view": "9.1.0",
+		"@bull-board/api": "5.23.0",
+		"@bull-board/fastify": "5.23.0",
+		"@bull-board/ui": "5.23.0",
+		"@discordapp/twemoji": "15.1.0",
+		"@fastify/accepts": "5.0.0",
+		"@fastify/cookie": "10.0.0",
+		"@fastify/cors": "10.0.0",
+		"@fastify/express": "4.0.0",
+		"@fastify/http-proxy": "10.0.0",
+		"@fastify/multipart": "9.0.0",
+		"@fastify/static": "8.0.0",
+		"@fastify/view": "10.0.0",
 		"@misskey-dev/node-http-message-signatures": "0.0.10",
 		"@misskey-dev/sharp-read-bmp": "1.2.0",
 		"@misskey-dev/summaly": "5.1.0",
-		"@napi-rs/canvas": "^0.1.53",
-		"@nestjs/common": "10.3.10",
-		"@nestjs/core": "10.3.10",
-		"@nestjs/testing": "10.3.10",
+		"@napi-rs/canvas": "0.1.56",
+		"@nestjs/common": "10.4.3",
+		"@nestjs/core": "10.4.3",
+		"@nestjs/testing": "10.4.3",
 		"@sentry/node": "8.20.0",
 		"@sentry/profiling-node": "8.20.0",
 		"@simplewebauthn/server": "10.0.1",
@ -101,7 +101,7 @@
 		"bcryptjs": "2.4.3",
 		"blurhash": "2.0.5",
 		"body-parser": "1.20.3",
-		"bullmq": "5.10.4",
+		"bullmq": "5.13.2",
 		"cacheable-lookup": "7.0.0",
 		"cbor": "9.0.2",
 		"chalk": "5.3.0",
@ -112,28 +112,28 @@
 		"content-disposition": "0.5.4",
 		"date-fns": "2.30.0",
 		"deep-email-validator": "0.1.21",
-		"fastify": "4.28.1",
-		"fastify-raw-body": "4.3.0",
+		"fastify": "5.0.0",
+		"fastify-raw-body": "5.0.0",
 		"feed": "4.2.2",
-		"file-type": "19.3.0",
+		"file-type": "19.5.0",
 		"fluent-ffmpeg": "2.1.3",
 		"form-data": "4.0.0",
 		"got": "14.4.2",
-		"happy-dom": "15.6.1",
+		"happy-dom": "15.7.4",
 		"hpagent": "1.2.0",
 		"htmlescape": "1.1.1",
 		"http-link-header": "1.1.3",
 		"ioredis": "5.4.1",
-		"ip-cidr": "4.0.1",
+		"ip-cidr": "4.0.2",
 		"ipaddr.js": "2.2.0",
-		"is-svg": "5.0.1",
+		"is-svg": "5.1.0",
 		"js-yaml": "4.1.0",
 		"jsdom": "24.1.1",
 		"json5": "2.2.3",
 		"jsonld": "8.3.2",
 		"jsrsasign": "11.1.0",
+		"meilisearch": "0.42.0",
 		"juice": "11.0.0",
-		"meilisearch": "0.41.0",
 		"mfm-js": "0.24.0",
 		"microformats-parser": "2.0.2",
 		"mime-types": "2.1.35",
@ -143,24 +143,24 @@
 		"nanoid": "5.0.7",
 		"nested-property": "4.0.0",
 		"node-fetch": "3.3.2",
-		"nodemailer": "6.9.14",
+		"nodemailer": "6.9.15",
 		"nsfwjs": "2.4.2",
 		"oauth": "0.10.0",
 		"oauth2orize": "1.12.0",
 		"oauth2orize-pkce": "0.1.2",
 		"os-utils": "0.0.14",
-		"otpauth": "9.3.1",
+		"otpauth": "9.3.2",
 		"parse5": "7.1.2",
-		"pg": "8.12.0",
+		"pg": "8.13.0",
 		"pkce-challenge": "4.1.0",
 		"probe-image-size": "7.2.3",
 		"promise-limit": "2.7.0",
 		"pug": "3.0.3",
 		"punycode": "2.3.1",
-		"qrcode": "1.5.3",
+		"qrcode": "1.5.4",
 		"random-seed": "0.3.0",
 		"ratelimiter": "3.4.1",
-		"re2": "1.21.3",
+		"re2": "1.21.4",
 		"redis-lock": "0.1.4",
 		"reflect-metadata": "0.2.2",
 		"rename": "1.0.4",
@ -168,17 +168,17 @@
 		"rxjs": "7.8.1",
 		"sanitize-html": "2.13.0",
 		"secure-json-parse": "2.7.0",
-		"sharp": "0.33.4",
+		"sharp": "0.33.5",
 		"slacc": "0.0.10",
 		"strict-event-emitter-types": "2.0.0",
 		"stringz": "2.1.0",
-		"systeminformation": "5.22.11",
+		"systeminformation": "5.23.5",
 		"tinycolor2": "1.6.0",
 		"tmp": "0.2.3",
 		"tsc-alias": "1.8.10",
 		"tsconfig-paths": "4.2.0",
 		"typeorm": "0.3.20",
-		"typescript": "5.5.4",
+		"typescript": "5.6.2",
 		"ulid": "2.3.0",
 		"vary": "1.1.2",
 		"web-push": "3.6.7",
@ -187,7 +187,7 @@
 	},
 	"devDependencies": {
 		"@jest/globals": "29.7.0",
-		"@nestjs/platform-express": "10.3.10",
+		"@nestjs/platform-express": "10.4.3",
 		"@simplewebauthn/types": "10.0.0",
 		"@swc/jest": "0.2.36",
 		"@types/accepts": "1.3.7",
@ -196,10 +196,10 @@
 		"@types/body-parser": "1.19.5",
 		"@types/color-convert": "2.0.3",
 		"@types/content-disposition": "0.5.8",
-		"@types/fluent-ffmpeg": "2.1.24",
+		"@types/fluent-ffmpeg": "2.1.26",
 		"@types/htmlescape": "1.1.3",
 		"@types/http-link-header": "1.0.7",
-		"@types/jest": "29.5.12",
+		"@types/jest": "29.5.13",
 		"@types/js-yaml": "4.0.9",
 		"@types/jsdom": "21.1.7",
 		"@types/jsonld": "1.5.15",
@ -207,18 +207,18 @@
 		"@types/mime-types": "2.1.4",
 		"@types/ms": "0.7.34",
 		"@types/node": "20.14.12",
-		"@types/nodemailer": "6.4.15",
+		"@types/nodemailer": "6.4.16",
 		"@types/oauth": "0.9.5",
 		"@types/oauth2orize": "1.11.5",
 		"@types/oauth2orize-pkce": "0.1.2",
-		"@types/pg": "8.11.6",
+		"@types/pg": "8.11.10",
 		"@types/pug": "2.0.10",
 		"@types/punycode": "2.1.4",
 		"@types/qrcode": "1.5.5",
 		"@types/random-seed": "0.3.5",
 		"@types/ratelimiter": "3.4.6",
 		"@types/rename": "1.0.7",
-		"@types/sanitize-html": "2.11.0",
+		"@types/sanitize-html": "2.13.0",
 		"@types/semver": "7.5.8",
 		"@types/simple-oauth2": "5.0.7",
 		"@types/sinonjs__fake-timers": "8.1.5",
@ -226,17 +226,17 @@
 		"@types/tmp": "0.2.6",
 		"@types/vary": "1.1.3",
 		"@types/web-push": "3.6.3",
-		"@types/ws": "8.5.11",
+		"@types/ws": "8.5.12",
 		"@typescript-eslint/eslint-plugin": "7.17.0",
 		"@typescript-eslint/parser": "7.17.0",
 		"aws-sdk-client-mock": "4.0.1",
 		"cross-env": "7.0.3",
-		"eslint-plugin-import": "2.29.1",
-		"execa": "9.3.0",
+		"eslint-plugin-import": "2.30.0",
+		"execa": "9.4.0",
 		"fkill": "9.0.0",
 		"jest": "29.7.0",
 		"jest-mock": "29.7.0",
-		"nodemon": "3.1.4",
+		"nodemon": "3.1.7",
 		"pid-port": "1.0.0",
 		"simple-oauth2": "5.1.0"
 	}
--- a/packages/backend/src/GlobalModule.ts
+++ b/packages/backend/src/GlobalModule.ts
@ -13,6 +13,8 @@ import { createPostgresDataSource } from './postgres.js';
 import { RepositoryModule } from './models/RepositoryModule.js';
 import { allSettled } from './misc/promise-tracker.js';
 import type { Provider, OnApplicationShutdown } from '@nestjs/common';
+import { MiMeta } from '@/models/Meta.js';
+import { GlobalEvents } from './core/GlobalEventService.js';

 const $config: Provider = {
 	provide: DI.config,
@ -86,11 +88,68 @@ const $redisForReactions: Provider = {
 	inject: [DI.config],
 };

+const $meta: Provider = {
+	provide: DI.meta,
+	useFactory: async (db: DataSource, redisForSub: Redis.Redis) => {
+		const meta = await db.transaction(async transactionalEntityManager => {
+			// 過去のバグでレコードが複数出来てしまっている可能性があるので新しいIDを優先する
+			const metas = await transactionalEntityManager.find(MiMeta, {
+				order: {
+					id: 'DESC',
+				},
+			});
+
+			const meta = metas[0];
+
+			if (meta) {
+				return meta;
+			} else {
+				// metaが空のときfetchMetaが同時に呼ばれるとここが同時に呼ばれてしまうことがあるのでフェイルセーフなupsertを使う
+				const saved = await transactionalEntityManager
+					.upsert(
+						MiMeta,
+						{
+							id: 'x',
+						},
+						['id'],
+					)
+					.then((x) => transactionalEntityManager.findOneByOrFail(MiMeta, x.identifiers[0]));
+
+				return saved;
+			}
+		});
+
+		async function onMessage(_: string, data: string): Promise<void> {
+			const obj = JSON.parse(data);
+
+			if (obj.channel === 'internal') {
+				const { type, body } = obj.message as GlobalEvents['internal']['payload'];
+				switch (type) {
+					case 'metaUpdated': {
+						for (const key in body.after) {
+							(meta as any)[key] = (body.after as any)[key];
+						}
+						meta.proxyAccount = null; // joinなカラムは通常取ってこないので
+						break;
+					}
+					default:
+						break;
+				}
+			}
+		}
+
+		redisForSub.on('message', onMessage);
+
+		return meta;
+	},
+	inject: [DI.db, DI.redisForSub],
+};
+
@Global()
@Module({
 	imports: [RepositoryModule],
-	providers: [$config, $db, $meilisearch, $redis, $redisForPub, $redisForSub, $redisForTimelines, $redisForReactions],
-	exports: [$config, $db, $meilisearch, $redis, $redisForPub, $redisForSub, $redisForTimelines, $redisForReactions, RepositoryModule],
+	providers: [$config, $db, $meta, $meilisearch, $redis, $redisForPub, $redisForSub, $redisForTimelines, $redisForReactions],
+	exports: [$config, $db, $meta, $meilisearch, $redis, $redisForPub, $redisForSub, $redisForTimelines, $redisForReactions, RepositoryModule],
 })
 export class GlobalModule implements OnApplicationShutdown {
 	constructor(
--- a/packages/backend/src/core/AbuseReportNotificationService.ts
+++ b/packages/backend/src/core/AbuseReportNotificationService.ts
@ -14,10 +14,10 @@ import type {
 	AbuseReportNotificationRecipientRepository,
 	MiAbuseReportNotificationRecipient,
 	MiAbuseUserReport,
+	MiMeta,
 	MiUser,
 } from '@/models/_.js';
 import { EmailService } from '@/core/EmailService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { RoleService } from '@/core/RoleService.js';
 import { RecipientMethod } from '@/models/AbuseReportNotificationRecipient.js';
 import { ModerationLogService } from '@/core/ModerationLogService.js';
@ -27,15 +27,19 @@ import { IdService } from './IdService.js';
@Injectable()
 export class AbuseReportNotificationService implements OnApplicationShutdown {
 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.abuseReportNotificationRecipientRepository)
 		private abuseReportNotificationRecipientRepository: AbuseReportNotificationRecipientRepository,
+
 		@Inject(DI.redisForSub)
 		private redisForSub: Redis.Redis,
+
 		private idService: IdService,
 		private roleService: RoleService,
 		private systemWebhookService: SystemWebhookService,
 		private emailService: EmailService,
-		private metaService: MetaService,
 		private moderationLogService: ModerationLogService,
 		private globalEventService: GlobalEventService,
 	) {
@ -93,10 +97,8 @@ export class AbuseReportNotificationService implements OnApplicationShutdown {
 			.filter(x => x != null),
 		);

-		// 送信先の鮮度を保つため、毎回取得する
-		const meta = await this.metaService.fetch(true);
 		recipientEMailAddresses.push(
-			...(meta.email ? [meta.email] : []),
+			...(this.meta.email ? [this.meta.email] : []),
 		);

 		if (recipientEMailAddresses.length <= 0) {
--- a/packages/backend/src/core/AccountMoveService.ts
+++ b/packages/backend/src/core/AccountMoveService.ts
@ -9,7 +9,7 @@ import { IsNull, In, MoreThan, Not } from 'typeorm';
 import { bindThis } from '@/decorators.js';
 import { DI } from '@/di-symbols.js';
 import type { MiLocalUser, MiRemoteUser, MiUser } from '@/models/User.js';
-import type { BlockingsRepository, FollowingsRepository, InstancesRepository, MutingsRepository, UserListMembershipsRepository, UsersRepository } from '@/models/_.js';
+import type { BlockingsRepository, FollowingsRepository, InstancesRepository, MiMeta, MutingsRepository, UserListMembershipsRepository, UsersRepository } from '@/models/_.js';
 import type { RelationshipJobData, ThinUser } from '@/queue/types.js';

 import { IdService } from '@/core/IdService.js';
@ -22,13 +22,15 @@ import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { ProxyAccountService } from '@/core/ProxyAccountService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
-import { MetaService } from '@/core/MetaService.js';
 import InstanceChart from '@/core/chart/charts/instance.js';
 import PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';

@Injectable()
 export class AccountMoveService {
 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -57,7 +59,6 @@ export class AccountMoveService {
 		private perUserFollowingChart: PerUserFollowingChart,
 		private federatedInstanceService: FederatedInstanceService,
 		private instanceChart: InstanceChart,
-		private metaService: MetaService,
 		private relayService: RelayService,
 		private queueService: QueueService,
 	) {
@ -276,7 +277,7 @@ export class AccountMoveService {
 		if (this.userEntityService.isRemoteUser(oldAccount)) {
 			this.federatedInstanceService.fetch(oldAccount.host).then(async i => {
 				this.instancesRepository.decrement({ id: i.id }, 'followersCount', localFollowerIds.length);
-				if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+				if (this.meta.enableChartsForFederatedInstances) {
 					this.instanceChart.updateFollowers(i.host, false);
 				}
 			});
--- a/packages/backend/src/core/DriveService.ts
+++ b/packages/backend/src/core/DriveService.ts
@ -11,11 +11,10 @@ import { sharpBmp } from '@misskey-dev/sharp-read-bmp';
 import { IsNull } from 'typeorm';
 import { DeleteObjectCommandInput, PutObjectCommandInput, NoSuchKey } from '@aws-sdk/client-s3';
 import { DI } from '@/di-symbols.js';
-import type { DriveFilesRepository, UsersRepository, DriveFoldersRepository, UserProfilesRepository } from '@/models/_.js';
+import type { DriveFilesRepository, UsersRepository, DriveFoldersRepository, UserProfilesRepository, MiMeta } from '@/models/_.js';
 import type { Config } from '@/config.js';
 import Logger from '@/logger.js';
 import type { MiRemoteUser, MiUser } from '@/models/User.js';
-import { MetaService } from '@/core/MetaService.js';
 import { MiDriveFile } from '@/models/DriveFile.js';
 import { IdService } from '@/core/IdService.js';
 import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
@ -99,6 +98,9 @@ export class DriveService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -115,7 +117,6 @@ export class DriveService {
 		private userEntityService: UserEntityService,
 		private driveFileEntityService: DriveFileEntityService,
 		private idService: IdService,
-		private metaService: MetaService,
 		private downloadService: DownloadService,
 		private internalStorageService: InternalStorageService,
 		private s3Service: S3Service,
@ -149,9 +150,7 @@ export class DriveService {
 	// thunbnail, webpublic を必要なら生成
 		const alts = await this.generateAlts(path, type, !file.uri);

-		const meta = await this.metaService.fetch();
-
-		if (meta.useObjectStorage) {
+		if (this.meta.useObjectStorage) {
 		//#region ObjectStorage params
 			let [ext] = (name.match(/\.([a-zA-Z0-9_-]+)$/) ?? ['']);

@ -170,11 +169,11 @@ export class DriveService {
 				ext = '';
 			}

-			const baseUrl = meta.objectStorageBaseUrl
-				?? `${ meta.objectStorageUseSSL ? 'https' : 'http' }://${ meta.objectStorageEndpoint }${ meta.objectStoragePort ? `:${meta.objectStoragePort}` : '' }/${ meta.objectStorageBucket }`;
+			const baseUrl = this.meta.objectStorageBaseUrl
+				?? `${ this.meta.objectStorageUseSSL ? 'https' : 'http' }://${ this.meta.objectStorageEndpoint }${ this.meta.objectStoragePort ? `:${this.meta.objectStoragePort}` : '' }/${ this.meta.objectStorageBucket }`;

 			// for original
-			const key = `${meta.objectStoragePrefix}/${randomUUID()}${ext}`;
+			const key = `${this.meta.objectStoragePrefix}/${randomUUID()}${ext}`;
 			const url = `${ baseUrl }/${ key }`;

 			// for alts
@ -191,7 +190,7 @@ export class DriveService {
 			];

 			if (alts.webpublic) {
-				webpublicKey = `${meta.objectStoragePrefix}/webpublic-${randomUUID()}.${alts.webpublic.ext}`;
+				webpublicKey = `${this.meta.objectStoragePrefix}/webpublic-${randomUUID()}.${alts.webpublic.ext}`;
 				webpublicUrl = `${ baseUrl }/${ webpublicKey }`;

 				this.registerLogger.info(`uploading webpublic: ${webpublicKey}`);
@ -199,7 +198,7 @@ export class DriveService {
 			}

 			if (alts.thumbnail) {
-				thumbnailKey = `${meta.objectStoragePrefix}/thumbnail-${randomUUID()}.${alts.thumbnail.ext}`;
+				thumbnailKey = `${this.meta.objectStoragePrefix}/thumbnail-${randomUUID()}.${alts.thumbnail.ext}`;
 				thumbnailUrl = `${ baseUrl }/${ thumbnailKey }`;

 				this.registerLogger.info(`uploading thumbnail: ${thumbnailKey}`);
@ -376,10 +375,8 @@ export class DriveService {
 		if (type === 'image/apng') type = 'image/png';
 		if (!FILE_TYPE_BROWSERSAFE.includes(type)) type = 'application/octet-stream';

-		const meta = await this.metaService.fetch();
-
 		const params = {
-			Bucket: meta.objectStorageBucket,
+			Bucket: this.meta.objectStorageBucket,
 			Key: key,
 			Body: stream,
 			ContentType: type,
@ -392,9 +389,9 @@ export class DriveService {
 			// 許可されているファイル形式でしか拡張子をつけない
 			ext ? correctFilename(filename, ext) : filename,
 		);
-		if (meta.objectStorageSetPublicRead) params.ACL = 'public-read';
+		if (this.meta.objectStorageSetPublicRead) params.ACL = 'public-read';

-		await this.s3Service.upload(meta, params)
+		await this.s3Service.upload(this.meta, params)
 			.then(
 				result => {
 					if ('Bucket' in result) { // CompleteMultipartUploadCommandOutput
@ -460,32 +457,31 @@ export class DriveService {
 		ext = null,
 	}: AddFileArgs): Promise<MiDriveFile> {
 		let skipNsfwCheck = false;
-		const instance = await this.metaService.fetch();
 		const userRoleNSFW = user && (await this.roleService.getUserPolicies(user.id)).alwaysMarkNsfw;
 		if (user == null) {
 			skipNsfwCheck = true;
 		} else if (userRoleNSFW) {
 			skipNsfwCheck = true;
 		}
-		if (instance.sensitiveMediaDetection === 'none') skipNsfwCheck = true;
-		if (user && instance.sensitiveMediaDetection === 'local' && this.userEntityService.isRemoteUser(user)) skipNsfwCheck = true;
-		if (user && instance.sensitiveMediaDetection === 'remote' && this.userEntityService.isLocalUser(user)) skipNsfwCheck = true;
+		if (this.meta.sensitiveMediaDetection === 'none') skipNsfwCheck = true;
+		if (user && this.meta.sensitiveMediaDetection === 'local' && this.userEntityService.isRemoteUser(user)) skipNsfwCheck = true;
+		if (user && this.meta.sensitiveMediaDetection === 'remote' && this.userEntityService.isLocalUser(user)) skipNsfwCheck = true;

 		const info = await this.fileInfoService.getFileInfo(path, {
 			skipSensitiveDetection: skipNsfwCheck,
 			sensitiveThreshold: // 感度が高いほどしきい値は低くすることになる
-			instance.sensitiveMediaDetectionSensitivity === 'veryHigh' ? 0.1 :
-			instance.sensitiveMediaDetectionSensitivity === 'high' ? 0.3 :
-			instance.sensitiveMediaDetectionSensitivity === 'low' ? 0.7 :
-			instance.sensitiveMediaDetectionSensitivity === 'veryLow' ? 0.9 :
+			this.meta.sensitiveMediaDetectionSensitivity === 'veryHigh' ? 0.1 :
+			this.meta.sensitiveMediaDetectionSensitivity === 'high' ? 0.3 :
+			this.meta.sensitiveMediaDetectionSensitivity === 'low' ? 0.7 :
+			this.meta.sensitiveMediaDetectionSensitivity === 'veryLow' ? 0.9 :
 			0.5,
 			sensitiveThresholdForPorn: 0.75,
-			enableSensitiveMediaDetectionForVideos: instance.enableSensitiveMediaDetectionForVideos,
+			enableSensitiveMediaDetectionForVideos: this.meta.enableSensitiveMediaDetectionForVideos,
 		});
 		this.registerLogger.info(`${JSON.stringify(info)}`);

 		// 現状 false positive が多すぎて実用に耐えない
-		//if (info.porn && instance.disallowUploadWhenPredictedAsPorn) {
+		//if (info.porn && this.meta.disallowUploadWhenPredictedAsPorn) {
 		//	throw new IdentifiableError('282f77bf-5816-4f72-9264-aa14d8261a21', 'Detected as porn.');
 		//}

@ -589,9 +585,9 @@ export class DriveService {
 			sensitive ?? false
 			: false;

-		if (user && this.utilityService.isMediaSilencedHost(instance.mediaSilencedHosts, user.host)) file.isSensitive = true;
+		if (user && this.utilityService.isMediaSilencedHost(this.meta.mediaSilencedHosts, user.host)) file.isSensitive = true;
 		if (info.sensitive && profile!.autoSensitive) file.isSensitive = true;
-		if (info.sensitive && instance.setSensitiveFlagAutomatically) file.isSensitive = true;
+		if (info.sensitive && this.meta.setSensitiveFlagAutomatically) file.isSensitive = true;
 		if (userRoleNSFW) file.isSensitive = true;

 		if (url !== null) {
@ -652,7 +648,7 @@ export class DriveService {
 			// ローカルユーザーのみ
 			this.perUserDriveChart.update(file, true);
 		} else {
-			if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+			if (this.meta.enableChartsForFederatedInstances) {
 				this.instanceChart.updateDrive(file, true);
 			}
 		}
@ -798,7 +794,7 @@ export class DriveService {
 			// ローカルユーザーのみ
 			this.perUserDriveChart.update(file, false);
 		} else {
-			if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+			if (this.meta.enableChartsForFederatedInstances) {
 				this.instanceChart.updateDrive(file, false);
 			}
 		}
@ -820,14 +816,13 @@ export class DriveService {

 	@bindThis
 	public async deleteObjectStorageFile(key: string) {
-		const meta = await this.metaService.fetch();
 		try {
 			const param = {
-				Bucket: meta.objectStorageBucket,
+				Bucket: this.meta.objectStorageBucket,
 				Key: key,
 			} as DeleteObjectCommandInput;

-			await this.s3Service.delete(meta, param);
+			await this.s3Service.delete(this.meta, param);
 		} catch (err: any) {
 			if (err.name === 'NoSuchKey') {
 				this.deleteLogger.warn(`The object storage had no such key to delete: ${key}. Skipping this.`, err as Error);
--- a/packages/backend/src/core/EmailService.ts
+++ b/packages/backend/src/core/EmailService.ts
@ -8,16 +8,14 @@ import * as nodemailer from 'nodemailer';
 import juice from 'juice';
 import { Inject, Injectable } from '@nestjs/common';
 import { validate as validateEmail } from 'deep-email-validator';
-import { MetaService } from '@/core/MetaService.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import type Logger from '@/logger.js';
-import type { UserProfilesRepository } from '@/models/_.js';
+import type { MiMeta, UserProfilesRepository } from '@/models/_.js';
 import { LoggerService } from '@/core/LoggerService.js';
 import { bindThis } from '@/decorators.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
-import { QueueService } from '@/core/QueueService.js';

@Injectable()
 export class EmailService {
@ -27,38 +25,37 @@ export class EmailService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.userProfilesRepository)
 		private userProfilesRepository: UserProfilesRepository,

-		private metaService: MetaService,
 		private loggerService: LoggerService,
 		private utilityService: UtilityService,
 		private httpRequestService: HttpRequestService,
-		private queueService: QueueService,
 	) {
 		this.logger = this.loggerService.getLogger('email');
 	}

 	@bindThis
 	public async sendEmail(to: string, subject: string, html: string, text: string) {
-		const meta = await this.metaService.fetch(true);
-
-		if (!meta.enableEmail) return;
+		if (!this.meta.enableEmail) return;

 		const iconUrl = `${this.config.url}/static-assets/mi-white.png`;
 		const emailSettingUrl = `${this.config.url}/settings/email`;

-		const enableAuth = meta.smtpUser != null && meta.smtpUser !== '';
+		const enableAuth = this.meta.smtpUser != null && this.meta.smtpUser !== '';

 		const transporter = nodemailer.createTransport({
-			host: meta.smtpHost,
-			port: meta.smtpPort,
-			secure: meta.smtpSecure,
+			host: this.meta.smtpHost,
+			port: this.meta.smtpPort,
+			secure: this.meta.smtpSecure,
 			ignoreTLS: !enableAuth,
 			proxy: this.config.proxySmtp,
 			auth: enableAuth ? {
-				user: meta.smtpUser,
-				pass: meta.smtpPass,
+				user: this.meta.smtpUser,
+				pass: this.meta.smtpPass,
 			} : undefined,
 		} as any);

@ -127,7 +124,7 @@ export class EmailService {
 	<body>
 		<main>
 			<header>
-				<img src="${ meta.logoImageUrl ?? meta.iconUrl ?? iconUrl }"/>
+				<img src="${ this.meta.logoImageUrl ?? this.meta.iconUrl ?? iconUrl }"/>
 			</header>
 			<article>
 				<h1>${ subject }</h1>
@ -148,7 +145,7 @@ export class EmailService {
 		try {
 			// TODO: htmlサニタイズ
 			const info = await transporter.sendMail({
-				from: meta.email!,
+				from: this.meta.email!,
 				to: to,
 				subject: subject,
 				text: text,
@ -167,8 +164,6 @@ export class EmailService {
 		available: boolean;
 		reason: null | 'used' | 'format' | 'disposable' | 'mx' | 'smtp' | 'banned' | 'network' | 'blacklist';
 	}> {
-		const meta = await this.metaService.fetch();
-
 		const exist = await this.userProfilesRepository.countBy({
 			emailVerified: true,
 			email: emailAddress,
@ -186,11 +181,11 @@ export class EmailService {
 			reason?: string | null,
 		} = { valid: true, reason: null };

-		if (meta.enableActiveEmailValidation) {
-			if (meta.enableVerifymailApi && meta.verifymailAuthKey != null) {
-				validated = await this.verifyMail(emailAddress, meta.verifymailAuthKey);
-			} else if (meta.enableTruemailApi && meta.truemailInstance && meta.truemailAuthKey != null) {
-				validated = await this.trueMail(meta.truemailInstance, emailAddress, meta.truemailAuthKey);
+		if (this.meta.enableActiveEmailValidation) {
+			if (this.meta.enableVerifymailApi && this.meta.verifymailAuthKey != null) {
+				validated = await this.verifyMail(emailAddress, this.meta.verifymailAuthKey);
+			} else if (this.meta.enableTruemailApi && this.meta.truemailInstance && this.meta.truemailAuthKey != null) {
+				validated = await this.trueMail(this.meta.truemailInstance, emailAddress, this.meta.truemailAuthKey);
 			} else {
 				validated = await validateEmail({
 					email: emailAddress,
@ -220,7 +215,7 @@ export class EmailService {
 		}

 		const emailDomain: string = emailAddress.split('@')[1];
-		const isBanned = this.utilityService.isBlockedHost(meta.bannedEmailDomains, emailDomain);
+		const isBanned = this.utilityService.isBlockedHost(this.meta.bannedEmailDomains, emailDomain);

 		if (isBanned) {
 			return {
--- a/packages/backend/src/core/GlobalEventService.ts
+++ b/packages/backend/src/core/GlobalEventService.ts
@ -241,7 +241,7 @@ export interface InternalEventTypes {
 	avatarDecorationCreated: MiAvatarDecoration;
 	avatarDecorationDeleted: MiAvatarDecoration;
 	avatarDecorationUpdated: MiAvatarDecoration;
-	metaUpdated: MiMeta;
+	metaUpdated: { before?: MiMeta; after: MiMeta; };
 	followChannel: { userId: MiUser['id']; channelId: MiChannel['id']; };
 	unfollowChannel: { userId: MiUser['id']; channelId: MiChannel['id']; };
 	updateUserProfile: MiUserProfile;
--- a/packages/backend/src/core/HashtagService.ts
+++ b/packages/backend/src/core/HashtagService.ts
@ -10,16 +10,18 @@ import type { MiUser } from '@/models/User.js';
 import { normalizeForSearch } from '@/misc/normalize-for-search.js';
 import { IdService } from '@/core/IdService.js';
 import type { MiHashtag } from '@/models/Hashtag.js';
-import type { HashtagsRepository } from '@/models/_.js';
+import type { HashtagsRepository, MiMeta } from '@/models/_.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { bindThis } from '@/decorators.js';
 import { FeaturedService } from '@/core/FeaturedService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { UtilityService } from '@/core/UtilityService.js';

@Injectable()
 export class HashtagService {
 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.redis)
 		private redisClient: Redis.Redis, // TODO: 専用のRedisサーバーを設定できるようにする

@ -29,7 +31,6 @@ export class HashtagService {
 		private userEntityService: UserEntityService,
 		private featuredService: FeaturedService,
 		private idService: IdService,
-		private metaService: MetaService,
 		private utilityService: UtilityService,
 	) {
 	}
@ -160,10 +161,9 @@ export class HashtagService {

 	@bindThis
 	public async updateHashtagsRanking(hashtag: string, userId: MiUser['id']): Promise<void> {
-		const instance = await this.metaService.fetch();
-		const hiddenTags = instance.hiddenTags.map(t => normalizeForSearch(t));
+		const hiddenTags = this.meta.hiddenTags.map(t => normalizeForSearch(t));
 		if (hiddenTags.includes(hashtag)) return;
-		if (this.utilityService.isKeyWordIncluded(hashtag, instance.sensitiveWords)) return;
+		if (this.utilityService.isKeyWordIncluded(hashtag, this.meta.sensitiveWords)) return;

 		// YYYYMMDDHHmm (10分間隔)
 		const now = new Date();
--- a/packages/backend/src/core/MetaService.ts
+++ b/packages/backend/src/core/MetaService.ts
@ -52,7 +52,7 @@ export class MetaService implements OnApplicationShutdown {
 			switch (type) {
 				case 'metaUpdated': {
 					this.cache = { // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
-						...body,
+						...(body.after),
 						proxyAccount: null, // joinなカラムは通常取ってこないので
 					};
 					break;
@ -141,7 +141,7 @@ export class MetaService implements OnApplicationShutdown {
 			});
 		}

-		this.globalEventService.publishInternalEvent('metaUpdated', updated);
+		this.globalEventService.publishInternalEvent('metaUpdated', { before, after: updated });

 		return updated;
 	}
--- a/packages/backend/src/core/MfmService.ts
+++ b/packages/backend/src/core/MfmService.ts
@ -239,7 +239,7 @@ export class MfmService {
 			return null;
 		}

-		const { window } = new Window();
+		const { happyDOM, window } = new Window();

 		const doc = window.document;

@ -457,6 +457,10 @@ export class MfmService {

 		appendChildren(nodes, body);

-		return new XMLSerializer().serializeToString(body);
+		const serialized = new XMLSerializer().serializeToString(body);
+
+		happyDOM.close().catch(err => {});
+
+		return serialized;
 	}
 }
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@ -8,13 +8,12 @@ import * as mfm from 'mfm-js';
 import { In, DataSource, IsNull, LessThan } from 'typeorm';
 import * as Redis from 'ioredis';
 import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
-import RE2 from 're2';
 import { extractMentions } from '@/misc/extract-mentions.js';
 import { extractCustomEmojisFromMfm } from '@/misc/extract-custom-emojis-from-mfm.js';
 import { extractHashtags } from '@/misc/extract-hashtags.js';
 import type { IMentionedRemoteUsers } from '@/models/Note.js';
 import { MiNote } from '@/models/Note.js';
-import type { ChannelFollowingsRepository, ChannelsRepository, FollowingsRepository, InstancesRepository, MiFollowing, MutingsRepository, NotesRepository, NoteThreadMutingsRepository, UserListMembershipsRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
+import type { ChannelFollowingsRepository, ChannelsRepository, FollowingsRepository, InstancesRepository, MiFollowing, MiMeta, MutingsRepository, NotesRepository, NoteThreadMutingsRepository, UserListMembershipsRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
 import type { MiApp } from '@/models/App.js';
 import { concat } from '@/misc/prelude/array.js';
@ -23,11 +22,8 @@ import type { MiUser, MiLocalUser, MiRemoteUser } from '@/models/User.js';
 import type { IPoll } from '@/models/Poll.js';
 import { MiPoll } from '@/models/Poll.js';
 import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
-import { checkWordMute } from '@/misc/check-word-mute.js';
 import type { MiChannel } from '@/models/Channel.js';
 import { normalizeForSearch } from '@/misc/normalize-for-search.js';
-import { MemorySingleCache } from '@/misc/cache.js';
-import type { MiUserProfile } from '@/models/UserProfile.js';
 import { RelayService } from '@/core/RelayService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import { DI } from '@/di-symbols.js';
@ -51,7 +47,6 @@ import { RemoteUserResolveService } from '@/core/RemoteUserResolveService.js';
 import { bindThis } from '@/decorators.js';
 import { DB_MAX_NOTE_TEXT_LENGTH } from '@/const.js';
 import { RoleService } from '@/core/RoleService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { SearchService } from '@/core/SearchService.js';
 import { FeaturedService } from '@/core/FeaturedService.js';
 import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
@ -156,6 +151,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.db)
 		private db: DataSource,

@ -210,7 +208,6 @@ export class NoteCreateService implements OnApplicationShutdown {
 		private apDeliverManagerService: ApDeliverManagerService,
 		private apRendererService: ApRendererService,
 		private roleService: RoleService,
-		private metaService: MetaService,
 		private searchService: SearchService,
 		private notesChart: NotesChart,
 		private perUserNotesChart: PerUserNotesChart,
@ -251,10 +248,8 @@ export class NoteCreateService implements OnApplicationShutdown {
 		if (data.channel != null) data.visibleUsers = [];
 		if (data.channel != null) data.localOnly = true;

-		const meta = await this.metaService.fetch();
-
 		if (data.visibility === 'public' && data.channel == null) {
-			const sensitiveWords = meta.sensitiveWords;
+			const sensitiveWords = this.meta.sensitiveWords;
 			if (this.utilityService.isKeyWordIncluded(data.cw ?? data.text ?? '', sensitiveWords)) {
 				data.visibility = 'home';
 			} else if ((await this.roleService.getUserPolicies(user.id)).canPublicNote === false) {
@ -262,17 +257,17 @@ export class NoteCreateService implements OnApplicationShutdown {
 			}
 		}

-		const hasProhibitedWords = await this.checkProhibitedWordsContain({
+		const hasProhibitedWords = this.checkProhibitedWordsContain({
 			cw: data.cw,
 			text: data.text,
 			pollChoices: data.poll?.choices,
-		}, meta.prohibitedWords);
+		}, this.meta.prohibitedWords);

 		if (hasProhibitedWords) {
 			throw new IdentifiableError('689ee33f-f97c-479a-ac49-1b9f8140af99', 'Note contains prohibited words');
 		}

-		const inSilencedInstance = this.utilityService.isSilencedHost(meta.silencedHosts, user.host);
+		const inSilencedInstance = this.utilityService.isSilencedHost(this.meta.silencedHosts, user.host);

 		if (data.visibility === 'public' && inSilencedInstance && user.host !== null) {
 			data.visibility = 'home';
@ -365,7 +360,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 		}

 		// if the host is media-silenced, custom emojis are not allowed
-		if (this.utilityService.isMediaSilencedHost(meta.mediaSilencedHosts, user.host)) emojis = [];
+		if (this.utilityService.isMediaSilencedHost(this.meta.mediaSilencedHosts, user.host)) emojis = [];

 		tags = tags.filter(tag => Array.from(tag).length <= 128).splice(0, 32);

@ -506,10 +501,8 @@ export class NoteCreateService implements OnApplicationShutdown {
 		host: MiUser['host'];
 		isBot: MiUser['isBot'];
 	}, data: Option, silent: boolean, tags: string[], mentionedUsers: MinimumUser[]) {
-		const meta = await this.metaService.fetch();
-
 		this.notesChart.update(note, true);
-		if (note.visibility !== 'specified' && (meta.enableChartsForRemoteUser || (user.host == null))) {
+		if (note.visibility !== 'specified' && (this.meta.enableChartsForRemoteUser || (user.host == null))) {
 			this.perUserNotesChart.update(user, note, true);
 		}

@ -517,7 +510,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 		if (this.userEntityService.isRemoteUser(user)) {
 			this.federatedInstanceService.fetch(user.host).then(async i => {
 				this.instancesRepository.increment({ id: i.id }, 'notesCount', 1);
-				if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+				if (this.meta.enableChartsForFederatedInstances) {
 					this.instanceChart.updateNote(i.host, note, true);
 				}
 			});
@ -853,15 +846,14 @@ export class NoteCreateService implements OnApplicationShutdown {

 	@bindThis
 	private async pushToTl(note: MiNote, user: { id: MiUser['id']; host: MiUser['host']; }) {
-		const meta = await this.metaService.fetch();
-		if (!meta.enableFanoutTimeline) return;
+		if (!this.meta.enableFanoutTimeline) return;

 		const r = this.redisForTimelines.pipeline();

 		if (note.channelId) {
 			this.fanoutTimelineService.push(`channelTimeline:${note.channelId}`, note.id, this.config.perChannelMaxNoteCacheCount, r);

-			this.fanoutTimelineService.push(`userTimelineWithChannel:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
+			this.fanoutTimelineService.push(`userTimelineWithChannel:${user.id}`, note.id, note.userHost == null ? this.meta.perLocalUserUserTimelineCacheMax : this.meta.perRemoteUserUserTimelineCacheMax, r);

 			const channelFollowings = await this.channelFollowingsRepository.find({
 				where: {
@ -871,9 +863,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 			});

 			for (const channelFollowing of channelFollowings) {
-				this.fanoutTimelineService.push(`homeTimeline:${channelFollowing.followerId}`, note.id, meta.perUserHomeTimelineCacheMax, r);
+				this.fanoutTimelineService.push(`homeTimeline:${channelFollowing.followerId}`, note.id, this.meta.perUserHomeTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					this.fanoutTimelineService.push(`homeTimelineWithFiles:${channelFollowing.followerId}`, note.id, meta.perUserHomeTimelineCacheMax / 2, r);
+					this.fanoutTimelineService.push(`homeTimelineWithFiles:${channelFollowing.followerId}`, note.id, this.meta.perUserHomeTimelineCacheMax / 2, r);
 				}
 			}
 		} else {
@ -911,9 +903,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 					if (!following.withReplies) continue;
 				}

-				this.fanoutTimelineService.push(`homeTimeline:${following.followerId}`, note.id, meta.perUserHomeTimelineCacheMax, r);
+				this.fanoutTimelineService.push(`homeTimeline:${following.followerId}`, note.id, this.meta.perUserHomeTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					this.fanoutTimelineService.push(`homeTimelineWithFiles:${following.followerId}`, note.id, meta.perUserHomeTimelineCacheMax / 2, r);
+					this.fanoutTimelineService.push(`homeTimelineWithFiles:${following.followerId}`, note.id, this.meta.perUserHomeTimelineCacheMax / 2, r);
 				}
 			}

@ -930,25 +922,25 @@ export class NoteCreateService implements OnApplicationShutdown {
 					if (!userListMembership.withReplies) continue;
 				}

-				this.fanoutTimelineService.push(`userListTimeline:${userListMembership.userListId}`, note.id, meta.perUserListTimelineCacheMax, r);
+				this.fanoutTimelineService.push(`userListTimeline:${userListMembership.userListId}`, note.id, this.meta.perUserListTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					this.fanoutTimelineService.push(`userListTimelineWithFiles:${userListMembership.userListId}`, note.id, meta.perUserListTimelineCacheMax / 2, r);
+					this.fanoutTimelineService.push(`userListTimelineWithFiles:${userListMembership.userListId}`, note.id, this.meta.perUserListTimelineCacheMax / 2, r);
 				}
 			}

 			// 自分自身のHTL
 			if (note.userHost == null) {
 				if (note.visibility !== 'specified' || !note.visibleUserIds.some(v => v === user.id)) {
-					this.fanoutTimelineService.push(`homeTimeline:${user.id}`, note.id, meta.perUserHomeTimelineCacheMax, r);
+					this.fanoutTimelineService.push(`homeTimeline:${user.id}`, note.id, this.meta.perUserHomeTimelineCacheMax, r);
 					if (note.fileIds.length > 0) {
-						this.fanoutTimelineService.push(`homeTimelineWithFiles:${user.id}`, note.id, meta.perUserHomeTimelineCacheMax / 2, r);
+						this.fanoutTimelineService.push(`homeTimelineWithFiles:${user.id}`, note.id, this.meta.perUserHomeTimelineCacheMax / 2, r);
 					}
 				}
 			}

 			// 自分自身以外への返信
 			if (isReply(note)) {
-				this.fanoutTimelineService.push(`userTimelineWithReplies:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
+				this.fanoutTimelineService.push(`userTimelineWithReplies:${user.id}`, note.id, note.userHost == null ? this.meta.perLocalUserUserTimelineCacheMax : this.meta.perRemoteUserUserTimelineCacheMax, r);

 				if (note.visibility === 'public' && note.userHost == null) {
 					this.fanoutTimelineService.push('localTimelineWithReplies', note.id, 300, r);
@ -957,9 +949,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 					}
 				}
 			} else {
-				this.fanoutTimelineService.push(`userTimeline:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax : meta.perRemoteUserUserTimelineCacheMax, r);
+				this.fanoutTimelineService.push(`userTimeline:${user.id}`, note.id, note.userHost == null ? this.meta.perLocalUserUserTimelineCacheMax : this.meta.perRemoteUserUserTimelineCacheMax, r);
 				if (note.fileIds.length > 0) {
-					this.fanoutTimelineService.push(`userTimelineWithFiles:${user.id}`, note.id, note.userHost == null ? meta.perLocalUserUserTimelineCacheMax / 2 : meta.perRemoteUserUserTimelineCacheMax / 2, r);
+					this.fanoutTimelineService.push(`userTimelineWithFiles:${user.id}`, note.id, note.userHost == null ? this.meta.perLocalUserUserTimelineCacheMax / 2 : this.meta.perRemoteUserUserTimelineCacheMax / 2, r);
 				}

 				if (note.visibility === 'public' && note.userHost == null) {
@ -1018,9 +1010,9 @@ export class NoteCreateService implements OnApplicationShutdown {
 		}
 	}

-	public async checkProhibitedWordsContain(content: Parameters<UtilityService['concatNoteContentsForKeyWordCheck']>[0], prohibitedWords?: string[]) {
+	public checkProhibitedWordsContain(content: Parameters<UtilityService['concatNoteContentsForKeyWordCheck']>[0], prohibitedWords?: string[]) {
 		if (prohibitedWords == null) {
-			prohibitedWords = (await this.metaService.fetch()).prohibitedWords;
+			prohibitedWords = this.meta.prohibitedWords;
 		}

 		if (
--- a/packages/backend/src/core/NoteDeleteService.ts
+++ b/packages/backend/src/core/NoteDeleteService.ts
@ -7,7 +7,7 @@ import { Brackets, In } from 'typeorm';
 import { Injectable, Inject } from '@nestjs/common';
 import type { MiUser, MiLocalUser, MiRemoteUser } from '@/models/User.js';
 import type { MiNote, IMentionedRemoteUsers } from '@/models/Note.js';
-import type { InstancesRepository, NotesRepository, UsersRepository } from '@/models/_.js';
+import type { InstancesRepository, MiMeta, NotesRepository, UsersRepository } from '@/models/_.js';
 import { RelayService } from '@/core/RelayService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import { DI } from '@/di-symbols.js';
@ -19,9 +19,7 @@ import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
-import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { bindThis } from '@/decorators.js';
-import { MetaService } from '@/core/MetaService.js';
 import { SearchService } from '@/core/SearchService.js';
 import { ModerationLogService } from '@/core/ModerationLogService.js';
 import { isQuote, isRenote } from '@/misc/is-renote.js';
@ -32,6 +30,9 @@ export class NoteDeleteService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -42,13 +43,11 @@ export class NoteDeleteService {
 		private instancesRepository: InstancesRepository,

 		private userEntityService: UserEntityService,
-		private noteEntityService: NoteEntityService,
 		private globalEventService: GlobalEventService,
 		private relayService: RelayService,
 		private federatedInstanceService: FederatedInstanceService,
 		private apRendererService: ApRendererService,
 		private apDeliverManagerService: ApDeliverManagerService,
-		private metaService: MetaService,
 		private searchService: SearchService,
 		private moderationLogService: ModerationLogService,
 		private notesChart: NotesChart,
@ -102,17 +101,15 @@ export class NoteDeleteService {
 			}
 			//#endregion

-			const meta = await this.metaService.fetch();
-
 			this.notesChart.update(note, false);
-			if (meta.enableChartsForRemoteUser || (user.host == null)) {
+			if (this.meta.enableChartsForRemoteUser || (user.host == null)) {
 				this.perUserNotesChart.update(user, note, false);
 			}

 			if (this.userEntityService.isRemoteUser(user)) {
 				this.federatedInstanceService.fetch(user.host).then(async i => {
 					this.instancesRepository.decrement({ id: i.id }, 'notesCount', 1);
-					if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+					if (this.meta.enableChartsForFederatedInstances) {
 						this.instanceChart.updateNote(i.host, note, false);
 					}
 				});
--- a/packages/backend/src/core/ProxyAccountService.ts
+++ b/packages/backend/src/core/ProxyAccountService.ts
@ -4,26 +4,25 @@
 */

 import { Inject, Injectable } from '@nestjs/common';
-import type { UsersRepository } from '@/models/_.js';
+import type { MiMeta, UsersRepository } from '@/models/_.js';
 import type { MiLocalUser } from '@/models/User.js';
 import { DI } from '@/di-symbols.js';
-import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';

@Injectable()
 export class ProxyAccountService {
 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,
-
-		private metaService: MetaService,
 	) {
 	}

 	@bindThis
 	public async fetch(): Promise<MiLocalUser | null> {
-		const meta = await this.metaService.fetch();
-		if (meta.proxyAccountId == null) return null;
-		return await this.usersRepository.findOneByOrFail({ id: meta.proxyAccountId }) as MiLocalUser;
+		if (this.meta.proxyAccountId == null) return null;
+		return await this.usersRepository.findOneByOrFail({ id: this.meta.proxyAccountId }) as MiLocalUser;
 	}
 }
--- a/packages/backend/src/core/PushNotificationService.ts
+++ b/packages/backend/src/core/PushNotificationService.ts
@ -10,8 +10,7 @@ import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import type { Packed } from '@/misc/json-schema.js';
 import { getNoteSummary } from '@/misc/get-note-summary.js';
-import type { MiSwSubscription, SwSubscriptionsRepository } from '@/models/_.js';
-import { MetaService } from '@/core/MetaService.js';
+import type { MiMeta, MiSwSubscription, SwSubscriptionsRepository } from '@/models/_.js';
 import { bindThis } from '@/decorators.js';
 import { RedisKVCache } from '@/misc/cache.js';

@ -54,13 +53,14 @@ export class PushNotificationService implements OnApplicationShutdown {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.redis)
 		private redisClient: Redis.Redis,

 		@Inject(DI.swSubscriptionsRepository)
 		private swSubscriptionsRepository: SwSubscriptionsRepository,
-
-		private metaService: MetaService,
 	) {
 		this.subscriptionsCache = new RedisKVCache<MiSwSubscription[]>(this.redisClient, 'userSwSubscriptions', {
 			lifetime: 1000 * 60 * 60 * 1, // 1h
@ -73,14 +73,12 @@ export class PushNotificationService implements OnApplicationShutdown {

 	@bindThis
 	public async pushNotification<T extends keyof PushNotificationsTypes>(userId: string, type: T, body: PushNotificationsTypes[T]) {
-		const meta = await this.metaService.fetch();
-
-		if (!meta.enableServiceWorker || meta.swPublicKey == null || meta.swPrivateKey == null) return;
+		if (!this.meta.enableServiceWorker || this.meta.swPublicKey == null || this.meta.swPrivateKey == null) return;

 		// アプリケーションの連絡先と、サーバーサイドの鍵ペアの情報を登録
 		push.setVapidDetails(this.config.url,
-			meta.swPublicKey,
-			meta.swPrivateKey);
+			this.meta.swPublicKey,
+			this.meta.swPrivateKey);

 		const subscriptions = await this.subscriptionsCache.fetch(userId);

--- a/packages/backend/src/core/ReactionService.ts
+++ b/packages/backend/src/core/ReactionService.ts
@ -5,7 +5,7 @@

 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import type { EmojisRepository, NoteReactionsRepository, UsersRepository, NotesRepository } from '@/models/_.js';
+import type { EmojisRepository, NoteReactionsRepository, UsersRepository, NotesRepository, MiMeta } from '@/models/_.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import type { MiRemoteUser, MiUser } from '@/models/User.js';
 import type { MiNote } from '@/models/Note.js';
@ -20,7 +20,6 @@ import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerServ
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { UserBlockingService } from '@/core/UserBlockingService.js';
@ -71,6 +70,9 @@ const decodeCustomEmojiRegexp = /^:([\w+-]+)(?:@([\w.-]+))?:$/;
@Injectable()
 export class ReactionService {
 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -84,7 +86,6 @@ export class ReactionService {
 		private emojisRepository: EmojisRepository,

 		private utilityService: UtilityService,
-		private metaService: MetaService,
 		private customEmojiService: CustomEmojiService,
 		private roleService: RoleService,
 		private userEntityService: UserEntityService,
@ -103,8 +104,6 @@ export class ReactionService {

 	@bindThis
 	public async create(user: { id: MiUser['id']; host: MiUser['host']; isBot: MiUser['isBot'] }, note: MiNote, _reaction?: string | null) {
-		const meta = await this.metaService.fetch();
-
 		// Check blocking
 		if (note.userId !== user.id) {
 			const blocked = await this.userBlockingService.checkBlocked(note.userId, user.id);
@ -150,7 +149,7 @@ export class ReactionService {
 						}

 						// for media silenced host, custom emoji reactions are not allowed
-						if (reacterHost != null && this.utilityService.isMediaSilencedHost(meta.mediaSilencedHosts, reacterHost)) {
+						if (reacterHost != null && this.utilityService.isMediaSilencedHost(this.meta.mediaSilencedHosts, reacterHost)) {
 							reaction = FALLBACK;
 						}
 					} else {
@ -195,7 +194,7 @@ export class ReactionService {
 		}

 		// Increment reactions count
-		if (meta.enableReactionsBuffering) {
+		if (this.meta.enableReactionsBuffering) {
 			await this.reactionsBufferingService.create(note.id, user.id, reaction, note.reactionAndUserPairCache);
 		} else {
 			const sql = `jsonb_set("reactions", '{${reaction}}', (COALESCE("reactions"->>'${reaction}', '0')::int + 1)::text::jsonb)`;
@ -228,7 +227,7 @@ export class ReactionService {
 			}
 		}

-		if (meta.enableChartsForRemoteUser || (user.host == null)) {
+		if (this.meta.enableChartsForRemoteUser || (user.host == null)) {
 			this.perUserReactionsChart.update(user, note);
 		}

@ -305,10 +304,8 @@ export class ReactionService {
 			throw new IdentifiableError('60527ec9-b4cb-4a88-a6bd-32d3ad26817d', 'not reacted');
 		}

-		const meta = await this.metaService.fetch();
-
 		// Decrement reactions count
-		if (meta.enableReactionsBuffering) {
+		if (this.meta.enableReactionsBuffering) {
 			await this.reactionsBufferingService.delete(note.id, user.id, exist.reaction);
 		} else {
 			const sql = `jsonb_set("reactions", '{${exist.reaction}}', (COALESCE("reactions"->>'${exist.reaction}', '0')::int - 1)::text::jsonb)`;
@ -341,8 +338,21 @@ export class ReactionService {
 	}

 	/**
-	 * 文字列タイプのレガシーな形式のリアクションを現在の形式に変換しつつ、
-	 * データベース上には存在する「0個のリアクションがついている」という情報を削除する。
+	 * - 文字列タイプのレガシーな形式のリアクションを現在の形式に変換する
+	 * - ローカルのリアクションのホストを `@.` にする（`decodeReaction()`の効果）
+	 */
+	@bindThis
+	public convertLegacyReaction(reaction: string): string {
+		reaction = this.decodeReaction(reaction).reaction;
+		if (Object.keys(legacies).includes(reaction)) return legacies[reaction];
+		return reaction;
+	}
+
+	// TODO: 廃止
+	/**
+	 * - 文字列タイプのレガシーな形式のリアクションを現在の形式に変換する
+	 * - ローカルのリアクションのホストを `@.` にする（`decodeReaction()`の効果）
+	 * - データベース上には存在する「0個のリアクションがついている」という情報を削除する
 	 */
 	@bindThis
 	public convertLegacyReactions(reactions: MiNote['reactions']): MiNote['reactions'] {
@ -355,10 +365,7 @@ export class ReactionService {
 				return count > 0;
 			})
 			.map(([reaction, count]) => {
-				// unchecked indexed access
-				const convertedReaction = legacies[reaction] as string | undefined;
-
-				const key = this.decodeReaction(convertedReaction ?? reaction).reaction;
+				const key = this.convertLegacyReaction(reaction);

 				return [key, count] as const;
 			})
@ -413,11 +420,4 @@ export class ReactionService {
 			host: undefined,
 		};
 	}
-
-	@bindThis
-	public convertLegacyReaction(reaction: string): string {
-		reaction = this.decodeReaction(reaction).reaction;
-		if (Object.keys(legacies).includes(reaction)) return legacies[reaction];
-		return reaction;
-	}
 }
--- a/packages/backend/src/core/ReactionsBufferingService.ts
+++ b/packages/backend/src/core/ReactionsBufferingService.ts
@ -11,22 +11,48 @@ import { bindThis } from '@/decorators.js';
 import type { MiUser, NotesRepository } from '@/models/_.js';
 import type { Config } from '@/config.js';
 import { PER_NOTE_REACTION_USER_PAIR_CACHE_MAX } from '@/const.js';
+import type { GlobalEvents } from '@/core/GlobalEventService.js';
+import type { OnApplicationShutdown } from '@nestjs/common';

 const REDIS_DELTA_PREFIX = 'reactionsBufferDeltas';
 const REDIS_PAIR_PREFIX = 'reactionsBufferPairs';

@Injectable()
-export class ReactionsBufferingService {
+export class ReactionsBufferingService implements OnApplicationShutdown {
 	constructor(
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.redisForSub)
+		private redisForSub: Redis.Redis,
+
 		@Inject(DI.redisForReactions)
 		private redisForReactions: Redis.Redis, // TODO: 専用のRedisインスタンスにする

 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,
 	) {
+		this.redisForSub.on('message', this.onMessage);
+	}
+
+	@bindThis
+	private async onMessage(_: string, data: string) {
+		const obj = JSON.parse(data);
+
+		if (obj.channel === 'internal') {
+			const { type, body } = obj.message as GlobalEvents['internal']['payload'];
+			switch (type) {
+				case 'metaUpdated': {
+					// リアクションバッファリングが有効→無効になったら即bake
+					if (body.before != null && body.before.enableReactionsBuffering && !body.after.enableReactionsBuffering) {
+						this.bake();
+					}
+					break;
+				}
+				default:
+					break;
+			}
+		}
 	}

 	@bindThis
@ -159,4 +185,27 @@ export class ReactionsBufferingService {
 				.execute();
 		}
 	}
+
+	@bindThis
+	public mergeReactions(src: MiNote['reactions'], delta: Record<string, number>): MiNote['reactions'] {
+		const reactions = { ...src };
+		for (const [name, count] of Object.entries(delta)) {
+			if (reactions[name] != null) {
+				reactions[name] += count;
+			} else {
+				reactions[name] = count;
+			}
+		}
+		return reactions;
+	}
+
+	@bindThis
+	public dispose(): void {
+		this.redisForSub.off('message', this.onMessage);
+	}
+
+	@bindThis
+	public onApplicationShutdown(signal?: string | undefined): void {
+		this.dispose();
+	}
 }
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@ -8,6 +8,7 @@ import * as Redis from 'ioredis';
 import { In } from 'typeorm';
 import { ModuleRef } from '@nestjs/core';
 import type {
+	MiMeta,
 	MiRole,
 	MiRoleAssignment,
 	RoleAssignmentsRepository,
@ -18,7 +19,6 @@ import { MemoryKVCache, MemorySingleCache } from '@/misc/cache.js';
 import type { MiUser } from '@/models/User.js';
 import { DI } from '@/di-symbols.js';
 import { bindThis } from '@/decorators.js';
-import { MetaService } from '@/core/MetaService.js';
 import { CacheService } from '@/core/CacheService.js';
 import type { RoleCondFormulaValue } from '@/models/Role.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
@ -111,8 +111,8 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 	constructor(
 		private moduleRef: ModuleRef,

-		@Inject(DI.redis)
-		private redisClient: Redis.Redis,
+		@Inject(DI.meta)
+		private meta: MiMeta,

 		@Inject(DI.redisForTimelines)
 		private redisForTimelines: Redis.Redis,
@ -129,7 +129,6 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 		@Inject(DI.roleAssignmentsRepository)
 		private roleAssignmentsRepository: RoleAssignmentsRepository,

-		private metaService: MetaService,
 		private cacheService: CacheService,
 		private userEntityService: UserEntityService,
 		private globalEventService: GlobalEventService,
@ -349,8 +348,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {

 	@bindThis
 	public async getUserPolicies(userId: MiUser['id'] | null): Promise<RolePolicies> {
-		const meta = await this.metaService.fetch();
-		const basePolicies = { ...DEFAULT_POLICIES, ...meta.policies };
+		const basePolicies = { ...DEFAULT_POLICIES, ...this.meta.policies };

 		if (userId == null) return basePolicies;

--- a/packages/backend/src/core/SignupService.ts
+++ b/packages/backend/src/core/SignupService.ts
@ -7,7 +7,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import bcrypt from 'bcryptjs';
 import { DataSource, IsNull } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import type { UsedUsernamesRepository, UsersRepository } from '@/models/_.js';
+import type { MiMeta, UsedUsernamesRepository, UsersRepository } from '@/models/_.js';
 import { MiUser } from '@/models/User.js';
 import { MiUserProfile } from '@/models/UserProfile.js';
 import { IdService } from '@/core/IdService.js';
@ -19,7 +19,6 @@ import { InstanceActorService } from '@/core/InstanceActorService.js';
 import { bindThis } from '@/decorators.js';
 import UsersChart from '@/core/chart/charts/users.js';
 import { UtilityService } from '@/core/UtilityService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { genRSAAndEd25519KeyPair } from '@/misc/gen-key-pair.js';
 import { UserService } from '@/core/UserService.js';

@ -29,6 +28,9 @@ export class SignupService {
 		@Inject(DI.db)
 		private db: DataSource,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -39,7 +41,6 @@ export class SignupService {
 		private userService: UserService,
 		private userEntityService: UserEntityService,
 		private idService: IdService,
-		private metaService: MetaService,
 		private instanceActorService: InstanceActorService,
 		private usersChart: UsersChart,
 	) {
@ -88,8 +89,7 @@ export class SignupService {
 		const isTheFirstUser = !await this.instanceActorService.realLocalUsersPresent();

 		if (!opts.ignorePreservedUsernames && !isTheFirstUser) {
-			const instance = await this.metaService.fetch(true);
-			const isPreserved = instance.preservedUsernames.map(x => x.toLowerCase()).includes(username.toLowerCase());
+			const isPreserved = this.meta.preservedUsernames.map(x => x.toLowerCase()).includes(username.toLowerCase());
 			if (isPreserved) {
 				throw new Error('USED_USERNAME');
 			}
--- a/packages/backend/src/core/UserFollowingService.ts
+++ b/packages/backend/src/core/UserFollowingService.ts
@ -13,23 +13,20 @@ import PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { IdService } from '@/core/IdService.js';
 import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
-import type { Packed } from '@/misc/json-schema.js';
 import InstanceChart from '@/core/chart/charts/instance.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import { UserWebhookService } from '@/core/UserWebhookService.js';
 import { NotificationService } from '@/core/NotificationService.js';
 import { DI } from '@/di-symbols.js';
-import type { FollowingsRepository, FollowRequestsRepository, InstancesRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
+import type { FollowingsRepository, FollowRequestsRepository, InstancesRepository, MiMeta, UserProfilesRepository, UsersRepository } from '@/models/_.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
 import { bindThis } from '@/decorators.js';
 import { UserBlockingService } from '@/core/UserBlockingService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { CacheService } from '@/core/CacheService.js';
 import type { Config } from '@/config.js';
 import { AccountMoveService } from '@/core/AccountMoveService.js';
 import { UtilityService } from '@/core/UtilityService.js';
-import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
 import type { ThinUser } from '@/queue/types.js';
 import Logger from '../logger.js';

@ -58,6 +55,9 @@ export class UserFollowingService implements OnModuleInit {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -79,13 +79,11 @@ export class UserFollowingService implements OnModuleInit {
 		private idService: IdService,
 		private queueService: QueueService,
 		private globalEventService: GlobalEventService,
-		private metaService: MetaService,
 		private notificationService: NotificationService,
 		private federatedInstanceService: FederatedInstanceService,
 		private webhookService: UserWebhookService,
 		private apRendererService: ApRendererService,
 		private accountMoveService: AccountMoveService,
-		private fanoutTimelineService: FanoutTimelineService,
 		private perUserFollowingChart: PerUserFollowingChart,
 		private instanceChart: InstanceChart,
 	) {
@ -172,7 +170,7 @@ export class UserFollowingService implements OnModuleInit {
 			followee.isLocked ||
 			(followeeProfile.carefulBot && follower.isBot) ||
 			(this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee) && process.env.FORCE_FOLLOW_REMOTE_USER_FOR_TESTING !== 'true') ||
-			(this.userEntityService.isLocalUser(followee) && this.userEntityService.isRemoteUser(follower) && this.utilityService.isSilencedHost((await this.metaService.fetch()).silencedHosts, follower.host))
+			(this.userEntityService.isLocalUser(followee) && this.userEntityService.isRemoteUser(follower) && this.utilityService.isSilencedHost(this.meta.silencedHosts, follower.host))
 		) {
 			let autoAccept = false;

@ -307,14 +305,14 @@ export class UserFollowingService implements OnModuleInit {
 			if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
 				this.federatedInstanceService.fetch(follower.host).then(async i => {
 					this.instancesRepository.increment({ id: i.id }, 'followingCount', 1);
-					if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+					if (this.meta.enableChartsForFederatedInstances) {
 						this.instanceChart.updateFollowing(i.host, true);
 					}
 				});
 			} else if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
 				this.federatedInstanceService.fetch(followee.host).then(async i => {
 					this.instancesRepository.increment({ id: i.id }, 'followersCount', 1);
-					if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+					if (this.meta.enableChartsForFederatedInstances) {
 						this.instanceChart.updateFollowers(i.host, true);
 					}
 				});
@ -439,14 +437,14 @@ export class UserFollowingService implements OnModuleInit {
 			if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
 				this.federatedInstanceService.fetch(follower.host).then(async i => {
 					this.instancesRepository.decrement({ id: i.id }, 'followingCount', 1);
-					if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+					if (this.meta.enableChartsForFederatedInstances) {
 						this.instanceChart.updateFollowing(i.host, false);
 					}
 				});
 			} else if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
 				this.federatedInstanceService.fetch(followee.host).then(async i => {
 					this.instancesRepository.decrement({ id: i.id }, 'followersCount', 1);
-					if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+					if (this.meta.enableChartsForFederatedInstances) {
 						this.instanceChart.updateFollowers(i.host, false);
 					}
 				});
--- a/packages/backend/src/core/WebAuthnService.ts
+++ b/packages/backend/src/core/WebAuthnService.ts
@ -12,10 +12,9 @@ import {
 } from '@simplewebauthn/server';
 import { AttestationFormat, isoCBOR, isoUint8Array } from '@simplewebauthn/server/helpers';
 import { DI } from '@/di-symbols.js';
-import type { UserSecurityKeysRepository } from '@/models/_.js';
+import type { MiMeta, UserSecurityKeysRepository } from '@/models/_.js';
 import type { Config } from '@/config.js';
 import { bindThis } from '@/decorators.js';
-import { MetaService } from '@/core/MetaService.js';
 import { MiUser } from '@/models/_.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import type {
@ -23,7 +22,6 @@ import type {
 	AuthenticatorTransportFuture,
 	CredentialDeviceType,
 	PublicKeyCredentialCreationOptionsJSON,
-	PublicKeyCredentialDescriptorFuture,
 	PublicKeyCredentialRequestOptionsJSON,
 	RegistrationResponseJSON,
 } from '@simplewebauthn/types';
@ -31,33 +29,33 @@ import type {
@Injectable()
 export class WebAuthnService {
 	constructor(
-		@Inject(DI.redis)
-		private redisClient: Redis.Redis,
-
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
+		@Inject(DI.redis)
+		private redisClient: Redis.Redis,
+
 		@Inject(DI.userSecurityKeysRepository)
 		private userSecurityKeysRepository: UserSecurityKeysRepository,
-
-		private metaService: MetaService,
 	) {
 	}

 	@bindThis
-	public async getRelyingParty(): Promise<{ origin: string; rpId: string; rpName: string; rpIcon?: string; }> {
-		const instance = await this.metaService.fetch();
+	public getRelyingParty(): { origin: string; rpId: string; rpName: string; rpIcon?: string; } {
 		return {
 			origin: this.config.url,
 			rpId: this.config.hostname,
-			rpName: instance.name ?? this.config.host,
-			rpIcon: instance.iconUrl ?? undefined,
+			rpName: this.meta.name ?? this.config.host,
+			rpIcon: this.meta.iconUrl ?? undefined,
 		};
 	}

 	@bindThis
 	public async initiateRegistration(userId: MiUser['id'], userName: string, userDisplayName?: string): Promise<PublicKeyCredentialCreationOptionsJSON> {
-		const relyingParty = await this.getRelyingParty();
+		const relyingParty = this.getRelyingParty();
 		const keys = await this.userSecurityKeysRepository.findBy({
 			userId: userId,
 		});
@ -104,7 +102,7 @@ export class WebAuthnService {

 		await this.redisClient.del(`webauthn:challenge:${userId}`);

-		const relyingParty = await this.getRelyingParty();
+		const relyingParty = this.getRelyingParty();

 		let verification;
 		try {
@ -143,7 +141,7 @@ export class WebAuthnService {

 	@bindThis
 	public async initiateAuthentication(userId: MiUser['id']): Promise<PublicKeyCredentialRequestOptionsJSON> {
-		const relyingParty = await this.getRelyingParty();
+		const relyingParty = this.getRelyingParty();
 		const keys = await this.userSecurityKeysRepository.findBy({
 			userId: userId,
 		});
@ -209,7 +207,7 @@ export class WebAuthnService {
 			}
 		}

-		const relyingParty = await this.getRelyingParty();
+		const relyingParty = this.getRelyingParty();

 		let verification;
 		try {
--- a/packages/backend/src/core/activitypub/ApInboxService.ts
+++ b/packages/backend/src/core/activitypub/ApInboxService.ts
@ -17,14 +17,13 @@ import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { concat, toArray, toSingle, unique } from '@/misc/prelude/array.js';
 import { AppLockService } from '@/core/AppLockService.js';
 import type Logger from '@/logger.js';
-import { MetaService } from '@/core/MetaService.js';
 import { IdService } from '@/core/IdService.js';
 import { StatusError } from '@/misc/status-error.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { QueueService } from '@/core/QueueService.js';
-import type { UsersRepository, NotesRepository, FollowingsRepository, AbuseUserReportsRepository, FollowRequestsRepository } from '@/models/_.js';
+import type { UsersRepository, NotesRepository, FollowingsRepository, AbuseUserReportsRepository, FollowRequestsRepository, MiMeta } from '@/models/_.js';
 import { bindThis } from '@/decorators.js';
 import type { MiRemoteUser } from '@/models/User.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
@ -48,6 +47,9 @@ export class ApInboxService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -64,7 +66,6 @@ export class ApInboxService {
 		private noteEntityService: NoteEntityService,
 		private utilityService: UtilityService,
 		private idService: IdService,
-		private metaService: MetaService,
 		private abuseReportService: AbuseReportService,
 		private userFollowingService: UserFollowingService,
 		private apAudienceService: ApAudienceService,
@ -283,8 +284,7 @@ export class ApInboxService {
 		}

 		// アナウンス先をブロックしてたら中断
-		const meta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(meta.blockedHosts, this.utilityService.extractDbHost(uri))) return;
+		if (this.utilityService.isBlockedHost(this.meta.blockedHosts, this.utilityService.extractDbHost(uri))) return;

 		const unlock = await this.appLockService.getApLock(uri);

--- a/packages/backend/src/core/activitypub/ApRequestService.ts
+++ b/packages/backend/src/core/activitypub/ApRequestService.ts
@ -162,7 +162,7 @@ export class ApRequestService {

 		if ((contentType ?? '').split(';')[0].trimEnd().toLowerCase() === 'text/html' && _followAlternate === true) {
 			const html = await res.text();
-			const window = new Window({
+			const { window, happyDOM } = new Window({
 				settings: {
 					disableJavaScriptEvaluation: true,
 					disableJavaScriptFileLoading: true,
@ -196,7 +196,7 @@ export class ApRequestService {
 			} catch (e) {
 				// something went wrong parsing the HTML, ignore the whole thing
 			} finally {
-				window.close();
+				happyDOM.close().catch(err => {});
 			}
 		}
 		//#endregion
--- a/packages/backend/src/core/activitypub/ApResolverService.ts
+++ b/packages/backend/src/core/activitypub/ApResolverService.ts
@ -7,9 +7,8 @@ import { Inject, Injectable } from '@nestjs/common';
 import { IsNull, Not } from 'typeorm';
 import type { MiLocalUser, MiRemoteUser } from '@/models/User.js';
 import { InstanceActorService } from '@/core/InstanceActorService.js';
-import type { NotesRepository, PollsRepository, NoteReactionsRepository, UsersRepository, FollowRequestsRepository } from '@/models/_.js';
+import type { NotesRepository, PollsRepository, NoteReactionsRepository, UsersRepository, FollowRequestsRepository, MiMeta } from '@/models/_.js';
 import type { Config } from '@/config.js';
-import { MetaService } from '@/core/MetaService.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
 import { DI } from '@/di-symbols.js';
 import { UtilityService } from '@/core/UtilityService.js';
@ -30,6 +29,7 @@ export class Resolver {

 	constructor(
 		private config: Config,
+		private meta: MiMeta,
 		private usersRepository: UsersRepository,
 		private notesRepository: NotesRepository,
 		private pollsRepository: PollsRepository,
@ -37,7 +37,6 @@ export class Resolver {
 		private followRequestsRepository: FollowRequestsRepository,
 		private utilityService: UtilityService,
 		private instanceActorService: InstanceActorService,
-		private metaService: MetaService,
 		private apRequestService: ApRequestService,
 		private httpRequestService: HttpRequestService,
 		private apRendererService: ApRendererService,
@ -96,8 +95,7 @@ export class Resolver {
 			return await this.resolveLocal(value);
 		}

-		const meta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(meta.blockedHosts, host)) {
+		if (this.utilityService.isBlockedHost(this.meta.blockedHosts, host)) {
 			throw new Error('Instance is blocked');
 		}

@ -182,6 +180,9 @@ export class ApResolverService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -199,7 +200,6 @@ export class ApResolverService {

 		private utilityService: UtilityService,
 		private instanceActorService: InstanceActorService,
-		private metaService: MetaService,
 		private apRequestService: ApRequestService,
 		private httpRequestService: HttpRequestService,
 		private apRendererService: ApRendererService,
@ -213,6 +213,7 @@ export class ApResolverService {
 	public createResolver(): Resolver {
 		return new Resolver(
 			this.config,
+			this.meta,
 			this.usersRepository,
 			this.notesRepository,
 			this.pollsRepository,
@ -220,7 +221,6 @@ export class ApResolverService {
 			this.followRequestsRepository,
 			this.utilityService,
 			this.instanceActorService,
-			this.metaService,
 			this.apRequestService,
 			this.httpRequestService,
 			this.apRendererService,
--- a/packages/backend/src/core/activitypub/models/ApImageService.ts
+++ b/packages/backend/src/core/activitypub/models/ApImageService.ts
@ -5,10 +5,9 @@

 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import type { DriveFilesRepository } from '@/models/_.js';
+import type { DriveFilesRepository, MiMeta } from '@/models/_.js';
 import type { MiRemoteUser } from '@/models/User.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
-import { MetaService } from '@/core/MetaService.js';
 import { truncate } from '@/misc/truncate.js';
 import { DB_MAX_IMAGE_COMMENT_LENGTH } from '@/const.js';
 import { DriveService } from '@/core/DriveService.js';
@ -24,10 +23,12 @@ export class ApImageService {
 	private logger: Logger;

 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.driveFilesRepository)
 		private driveFilesRepository: DriveFilesRepository,

-		private metaService: MetaService,
 		private apResolverService: ApResolverService,
 		private driveService: DriveService,
 		private apLoggerService: ApLoggerService,
@ -63,12 +64,10 @@ export class ApImageService {

 		this.logger.info(`Creating the Image: ${image.url}`);

-		const instance = await this.metaService.fetch();
-
 		// Cache if remote file cache is on AND either
 		// 1. remote sensitive file is also on
 		// 2. or the image is not sensitive
-		const shouldBeCached = instance.cacheRemoteFiles && (instance.cacheRemoteSensitiveFiles || !image.sensitive);
+		const shouldBeCached = this.meta.cacheRemoteFiles && (this.meta.cacheRemoteSensitiveFiles || !image.sensitive);

 		const file = await this.driveService.uploadFromUrl({
 			url: image.url,
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@ -6,13 +6,12 @@
 import { forwardRef, Inject, Injectable } from '@nestjs/common';
 import { In } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import type { PollsRepository, EmojisRepository } from '@/models/_.js';
+import type { PollsRepository, EmojisRepository, MiMeta } from '@/models/_.js';
 import type { Config } from '@/config.js';
 import type { MiRemoteUser } from '@/models/User.js';
 import type { MiNote } from '@/models/Note.js';
 import { toArray, toSingle, unique } from '@/misc/prelude/array.js';
 import type { MiEmoji } from '@/models/Emoji.js';
-import { MetaService } from '@/core/MetaService.js';
 import { AppLockService } from '@/core/AppLockService.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
@ -46,6 +45,9 @@ export class ApNoteService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.pollsRepository)
 		private pollsRepository: PollsRepository,

@ -65,7 +67,6 @@ export class ApNoteService {
 		private apMentionService: ApMentionService,
 		private apImageService: ApImageService,
 		private apQuestionService: ApQuestionService,
-		private metaService: MetaService,
 		private appLockService: AppLockService,
 		private pollService: PollService,
 		private noteCreateService: NoteCreateService,
@ -182,7 +183,7 @@ export class ApNoteService {
 		/**
 		 * 禁止ワードチェック
 		 */
-		const hasProhibitedWords = await this.noteCreateService.checkProhibitedWordsContain({ cw, text, pollChoices: poll?.choices });
+		const hasProhibitedWords = this.noteCreateService.checkProhibitedWordsContain({ cw, text, pollChoices: poll?.choices });
 		if (hasProhibitedWords) {
 			throw new IdentifiableError('689ee33f-f97c-479a-ac49-1b9f8140af99', 'Note contains prohibited words');
 		}
@ -336,8 +337,7 @@ export class ApNoteService {
 		const uri = getApId(value);

 		// ブロックしていたら中断
-		const meta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(meta.blockedHosts, this.utilityService.extractDbHost(uri))) {
+		if (this.utilityService.isBlockedHost(this.meta.blockedHosts, this.utilityService.extractDbHost(uri))) {
 			throw new StatusError('blocked host', 451);
 		}

--- a/packages/backend/src/core/activitypub/models/ApPersonService.ts
+++ b/packages/backend/src/core/activitypub/models/ApPersonService.ts
@ -9,7 +9,7 @@ import promiseLimit from 'promise-limit';
 import { DataSource, In, Not } from 'typeorm';
 import { ModuleRef } from '@nestjs/core';
 import { DI } from '@/di-symbols.js';
-import type { FollowingsRepository, InstancesRepository, UserProfilesRepository, UserPublickeysRepository, UsersRepository } from '@/models/_.js';
+import type { FollowingsRepository, InstancesRepository, MiMeta, UserProfilesRepository, UserPublickeysRepository, UsersRepository } from '@/models/_.js';
 import type { Config } from '@/config.js';
 import type { MiLocalUser, MiRemoteUser } from '@/models/User.js';
 import { MiUser } from '@/models/User.js';
@ -36,7 +36,6 @@ import type { UtilityService } from '@/core/UtilityService.js';
 import type { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { bindThis } from '@/decorators.js';
 import { RoleService } from '@/core/RoleService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import type { AccountMoveService } from '@/core/AccountMoveService.js';
 import { checkHttps } from '@/misc/check-https.js';
@ -64,7 +63,6 @@ export class ApPersonService implements OnModuleInit {
 	private driveFileEntityService: DriveFileEntityService;
 	private idService: IdService;
 	private globalEventService: GlobalEventService;
-	private metaService: MetaService;
 	private federatedInstanceService: FederatedInstanceService;
 	private fetchInstanceMetadataService: FetchInstanceMetadataService;
 	private cacheService: CacheService;
@ -86,6 +84,9 @@ export class ApPersonService implements OnModuleInit {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.db)
 		private db: DataSource,

@ -114,7 +115,6 @@ export class ApPersonService implements OnModuleInit {
 		this.driveFileEntityService = this.moduleRef.get('DriveFileEntityService');
 		this.idService = this.moduleRef.get('IdService');
 		this.globalEventService = this.moduleRef.get('GlobalEventService');
-		this.metaService = this.moduleRef.get('MetaService');
 		this.federatedInstanceService = this.moduleRef.get('FederatedInstanceService');
 		this.fetchInstanceMetadataService = this.moduleRef.get('FetchInstanceMetadataService');
 		this.cacheService = this.moduleRef.get('CacheService');
@ -465,10 +465,10 @@ export class ApPersonService implements OnModuleInit {
 		this.cacheService.uriPersonCache.set(user.uri, user);

 		// Register host
-		this.federatedInstanceService.fetch(host).then(async i => {
+		this.federatedInstanceService.fetch(host).then(i => {
 			this.instancesRepository.increment({ id: i.id }, 'usersCount', 1);
 			this.fetchInstanceMetadataService.fetchInstanceMetadata(i);
-			if ((await this.metaService.fetch()).enableChartsForFederatedInstances) {
+			if (this.meta.enableChartsForFederatedInstances) {
 				this.instanceChart.newUser(i.host);
 			}
 		});
--- a/packages/backend/src/core/chart/charts/federation.ts
+++ b/packages/backend/src/core/chart/charts/federation.ts
@ -5,10 +5,9 @@

 import { Injectable, Inject } from '@nestjs/common';
 import { DataSource } from 'typeorm';
-import type { FollowingsRepository, InstancesRepository } from '@/models/_.js';
+import type { FollowingsRepository, InstancesRepository, MiMeta } from '@/models/_.js';
 import { AppLockService } from '@/core/AppLockService.js';
 import { DI } from '@/di-symbols.js';
-import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';
 import Chart from '../core.js';
 import { ChartLoggerService } from '../ChartLoggerService.js';
@ -24,13 +23,15 @@ export default class FederationChart extends Chart<typeof schema> { // eslint-di
 		@Inject(DI.db)
 		private db: DataSource,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.followingsRepository)
 		private followingsRepository: FollowingsRepository,

 		@Inject(DI.instancesRepository)
 		private instancesRepository: InstancesRepository,

-		private metaService: MetaService,
 		private appLockService: AppLockService,
 		private chartLoggerService: ChartLoggerService,
 	) {
@ -43,8 +44,6 @@ export default class FederationChart extends Chart<typeof schema> { // eslint-di
 	}

 	protected async tickMinor(): Promise<Partial<KVs<typeof schema>>> {
-		const meta = await this.metaService.fetch();
-
 		const suspendedInstancesQuery = this.instancesRepository.createQueryBuilder('instance')
 			.select('instance.host')
 			.where('instance.suspensionState != \'none\'');
@ -65,21 +64,21 @@ export default class FederationChart extends Chart<typeof schema> { // eslint-di
 			this.followingsRepository.createQueryBuilder('following')
 				.select('COUNT(DISTINCT following.followeeHost)')
 				.where('following.followeeHost IS NOT NULL')
-				.andWhere(meta.blockedHosts.length === 0 ? '1=1' : 'following.followeeHost NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
+				.andWhere(this.meta.blockedHosts.length === 0 ? '1=1' : 'following.followeeHost NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: this.meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
 				.andWhere(`following.followeeHost NOT IN (${ suspendedInstancesQuery.getQuery() })`)
 				.getRawOne()
 				.then(x => parseInt(x.count, 10)),
 			this.followingsRepository.createQueryBuilder('following')
 				.select('COUNT(DISTINCT following.followerHost)')
 				.where('following.followerHost IS NOT NULL')
-				.andWhere(meta.blockedHosts.length === 0 ? '1=1' : 'following.followerHost NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
+				.andWhere(this.meta.blockedHosts.length === 0 ? '1=1' : 'following.followerHost NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: this.meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
 				.andWhere(`following.followerHost NOT IN (${ suspendedInstancesQuery.getQuery() })`)
 				.getRawOne()
 				.then(x => parseInt(x.count, 10)),
 			this.followingsRepository.createQueryBuilder('following')
 				.select('COUNT(DISTINCT following.followeeHost)')
 				.where('following.followeeHost IS NOT NULL')
-				.andWhere(meta.blockedHosts.length === 0 ? '1=1' : 'following.followeeHost NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
+				.andWhere(this.meta.blockedHosts.length === 0 ? '1=1' : 'following.followeeHost NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: this.meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
 				.andWhere(`following.followeeHost NOT IN (${ suspendedInstancesQuery.getQuery() })`)
 				.andWhere(`following.followeeHost IN (${ pubsubSubQuery.getQuery() })`)
 				.setParameters(pubsubSubQuery.getParameters())
@ -88,7 +87,7 @@ export default class FederationChart extends Chart<typeof schema> { // eslint-di
 			this.instancesRepository.createQueryBuilder('instance')
 				.select('COUNT(instance.id)')
 				.where(`instance.host IN (${ subInstancesQuery.getQuery() })`)
-				.andWhere(meta.blockedHosts.length === 0 ? '1=1' : 'instance.host NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
+				.andWhere(this.meta.blockedHosts.length === 0 ? '1=1' : 'instance.host NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: this.meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
 				.andWhere('instance.suspensionState = \'none\'')
 				.andWhere('instance.isNotResponding = false')
 				.getRawOne()
@ -96,7 +95,7 @@ export default class FederationChart extends Chart<typeof schema> { // eslint-di
 			this.instancesRepository.createQueryBuilder('instance')
 				.select('COUNT(instance.id)')
 				.where(`instance.host IN (${ pubInstancesQuery.getQuery() })`)
-				.andWhere(meta.blockedHosts.length === 0 ? '1=1' : 'instance.host NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
+				.andWhere(this.meta.blockedHosts.length === 0 ? '1=1' : 'instance.host NOT ILIKE ALL(ARRAY[:...blocked])', { blocked: this.meta.blockedHosts.flatMap(x => [x, `%.${x}`]) })
 				.andWhere('instance.suspensionState = \'none\'')
 				.andWhere('instance.isNotResponding = false')
 				.getRawOne()
--- a/packages/backend/src/core/entities/InstanceEntityService.ts
+++ b/packages/backend/src/core/entities/InstanceEntityService.ts
@ -3,19 +3,22 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import type { Packed } from '@/misc/json-schema.js';
 import type { MiInstance } from '@/models/Instance.js';
-import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { RoleService } from '@/core/RoleService.js';
 import { MiUser } from '@/models/User.js';
+import { DI } from '@/di-symbols.js';
+import { MiMeta } from '@/models/_.js';

@Injectable()
 export class InstanceEntityService {
 	constructor(
-		private metaService: MetaService,
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		private roleService: RoleService,

 		private utilityService: UtilityService,
@ -27,7 +30,6 @@ export class InstanceEntityService {
 		instance: MiInstance,
 		me?: { id: MiUser['id']; } | null | undefined,
 	): Promise<Packed<'FederationInstance'>> {
-		const meta = await this.metaService.fetch();
 		const iAmModerator = me ? await this.roleService.isModerator(me as MiUser) : false;

 		return {
@ -41,7 +43,7 @@ export class InstanceEntityService {
 			isNotResponding: instance.isNotResponding,
 			isSuspended: instance.suspensionState !== 'none',
 			suspensionState: instance.suspensionState,
-			isBlocked: this.utilityService.isBlockedHost(meta.blockedHosts, instance.host),
+			isBlocked: this.utilityService.isBlockedHost(this.meta.blockedHosts, instance.host),
 			softwareName: instance.softwareName,
 			softwareVersion: instance.softwareVersion,
 			openRegistrations: instance.openRegistrations,
@ -49,8 +51,8 @@ export class InstanceEntityService {
 			description: instance.description,
 			maintainerName: instance.maintainerName,
 			maintainerEmail: instance.maintainerEmail,
-			isSilenced: this.utilityService.isSilencedHost(meta.silencedHosts, instance.host),
-			isMediaSilenced: this.utilityService.isMediaSilencedHost(meta.mediaSilencedHosts, instance.host),
+			isSilenced: this.utilityService.isSilencedHost(this.meta.silencedHosts, instance.host),
+			isMediaSilenced: this.utilityService.isMediaSilencedHost(this.meta.mediaSilencedHosts, instance.host),
 			iconUrl: instance.iconUrl,
 			faviconUrl: instance.faviconUrl,
 			themeColor: instance.themeColor,
--- a/packages/backend/src/core/entities/MetaEntityService.ts
+++ b/packages/backend/src/core/entities/MetaEntityService.ts
@ -10,7 +10,6 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { MiMeta } from '@/models/Meta.js';
 import type { AdsRepository } from '@/models/_.js';
 import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
-import { MetaService } from '@/core/MetaService.js';
 import { bindThis } from '@/decorators.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { InstanceActorService } from '@/core/InstanceActorService.js';
@ -24,11 +23,13 @@ export class MetaEntityService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.adsRepository)
 		private adsRepository: AdsRepository,

 		private userEntityService: UserEntityService,
-		private metaService: MetaService,
 		private instanceActorService: InstanceActorService,
 	) { }

@ -37,7 +38,7 @@ export class MetaEntityService {
 		let instance = meta;

 		if (!instance) {
-			instance = await this.metaService.fetch();
+			instance = this.meta;
 		}

 		const ads = await this.adsRepository.createQueryBuilder('ads')
@ -140,7 +141,7 @@ export class MetaEntityService {
 		let instance = meta;

 		if (!instance) {
-			instance = await this.metaService.fetch();
+			instance = this.meta;
 		}

 		const packed = await this.pack(instance);
--- a/packages/backend/src/core/entities/NoteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteEntityService.ts
@ -11,30 +11,17 @@ import type { Packed } from '@/misc/json-schema.js';
 import { awaitAll } from '@/misc/prelude/await-all.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiNote } from '@/models/Note.js';
-import type { UsersRepository, NotesRepository, FollowingsRepository, PollsRepository, PollVotesRepository, NoteReactionsRepository, ChannelsRepository } from '@/models/_.js';
+import type { UsersRepository, NotesRepository, FollowingsRepository, PollsRepository, PollVotesRepository, NoteReactionsRepository, ChannelsRepository, MiMeta } from '@/models/_.js';
 import { bindThis } from '@/decorators.js';
 import { DebounceLoader } from '@/misc/loader.js';
 import { IdService } from '@/core/IdService.js';
 import { ReactionsBufferingService } from '@/core/ReactionsBufferingService.js';
-import { MetaService } from '@/core/MetaService.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { CustomEmojiService } from '../CustomEmojiService.js';
 import type { ReactionService } from '../ReactionService.js';
 import type { UserEntityService } from './UserEntityService.js';
 import type { DriveFileEntityService } from './DriveFileEntityService.js';

-function mergeReactions(src: Record<string, number>, delta: Record<string, number>) {
-	const reactions = { ...src };
-	for (const [name, count] of Object.entries(delta)) {
-		if (reactions[name] != null) {
-			reactions[name] += count;
-		} else {
-			reactions[name] = count;
-		}
-	}
-	return reactions;
-}
-
@Injectable()
 export class NoteEntityService implements OnModuleInit {
 	private userEntityService: UserEntityService;
@ -43,12 +30,14 @@ export class NoteEntityService implements OnModuleInit {
 	private reactionService: ReactionService;
 	private reactionsBufferingService: ReactionsBufferingService;
 	private idService: IdService;
-	private metaService: MetaService;
 	private noteLoader = new DebounceLoader(this.findNoteOrFail);

 	constructor(
 		private moduleRef: ModuleRef,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -76,7 +65,6 @@ export class NoteEntityService implements OnModuleInit {
 		//private reactionService: ReactionService,
 		//private reactionsBufferingService: ReactionsBufferingService,
 		//private idService: IdService,
-		//private metaService: MetaService,
 	) {
 	}

@ -87,7 +75,6 @@ export class NoteEntityService implements OnModuleInit {
 		this.reactionService = this.moduleRef.get('ReactionService');
 		this.reactionsBufferingService = this.moduleRef.get('ReactionsBufferingService');
 		this.idService = this.moduleRef.get('IdService');
-		this.metaService = this.moduleRef.get('MetaService');
 	}

 	@bindThis
@ -307,7 +294,7 @@ export class NoteEntityService implements OnModuleInit {
 			skipHide?: boolean;
 			withReactionAndUserPairCache?: boolean;
 			_hint_?: {
-				bufferdReactions: Map<MiNote['id'], { deltas: Record<string, number>; pairs: ([MiUser['id'], string])[] }> | null;
+				bufferedReactions: Map<MiNote['id'], { deltas: Record<string, number>; pairs: ([MiUser['id'], string])[] }> | null;
 				myReactions: Map<MiNote['id'], string | null>;
 				packedFiles: Map<MiNote['fileIds'][number], Packed<'DriveFile'> | null>;
 				packedUsers: Map<MiUser['id'], Packed<'UserLite'>>
@ -324,21 +311,14 @@ export class NoteEntityService implements OnModuleInit {
 		const note = typeof src === 'object' ? src : await this.noteLoader.load(src);
 		const host = note.userHost;

-		const meta = await this.metaService.fetch();
-
-		const bufferdReactions = opts._hint_?.bufferdReactions != null
-			? (opts._hint_.bufferdReactions.get(note.id) ?? { deltas: {}, pairs: [] })
-			: meta.enableReactionsBuffering
+		const bufferedReactions = opts._hint_?.bufferedReactions != null
+			? (opts._hint_.bufferedReactions.get(note.id) ?? { deltas: {}, pairs: [] })
+			: this.meta.enableReactionsBuffering
 				? await this.reactionsBufferingService.get(note.id)
 				: { deltas: {}, pairs: [] };
-		const reactions = mergeReactions(note.reactions, bufferdReactions.deltas ?? {});
-		for (const [name, count] of Object.entries(reactions)) {
-			if (count <= 0) {
-				delete reactions[name];
-			}
-		}
+		const reactions = this.reactionService.convertLegacyReactions(this.reactionsBufferingService.mergeReactions(note.reactions, bufferedReactions.deltas ?? {}));

-		const reactionAndUserPairCache = note.reactionAndUserPairCache.concat(bufferdReactions.pairs.map(x => x.join('/')));
+		const reactionAndUserPairCache = note.reactionAndUserPairCache.concat(bufferedReactions.pairs.map(x => x.join('/')));

 		let text = note.text;

@ -441,9 +421,7 @@ export class NoteEntityService implements OnModuleInit {
 	) {
 		if (notes.length === 0) return [];

-		const meta = await this.metaService.fetch();
-
-		const bufferdReactions = meta.enableReactionsBuffering ? await this.reactionsBufferingService.getMany(notes.map(x => x.id)) : null;
+		const bufferedReactions = this.meta.enableReactionsBuffering ? await this.reactionsBufferingService.getMany(notes.map(x => x.id)) : null;

 		const meId = me ? me.id : null;
 		const myReactionsMap = new Map<MiNote['id'], string | null>();
@ -455,11 +433,11 @@ export class NoteEntityService implements OnModuleInit {

 			for (const note of notes) {
 				if (note.renote && (note.text == null && note.fileIds.length === 0)) { // pure renote
-					const reactionsCount = Object.values(mergeReactions(note.renote.reactions, bufferdReactions?.get(note.renote.id)?.deltas ?? {})).reduce((a, b) => a + b, 0);
+					const reactionsCount = Object.values(this.reactionsBufferingService.mergeReactions(note.renote.reactions, bufferedReactions?.get(note.renote.id)?.deltas ?? {})).reduce((a, b) => a + b, 0);
 					if (reactionsCount === 0) {
 						myReactionsMap.set(note.renote.id, null);
-					} else if (reactionsCount <= note.renote.reactionAndUserPairCache.length + (bufferdReactions?.get(note.renote.id)?.pairs.length ?? 0)) {
-						const pairInBuffer = bufferdReactions?.get(note.renote.id)?.pairs.find(p => p[0] === meId);
+					} else if (reactionsCount <= note.renote.reactionAndUserPairCache.length + (bufferedReactions?.get(note.renote.id)?.pairs.length ?? 0)) {
+						const pairInBuffer = bufferedReactions?.get(note.renote.id)?.pairs.find(p => p[0] === meId);
 						if (pairInBuffer) {
 							myReactionsMap.set(note.renote.id, pairInBuffer[1]);
 						} else {
@ -471,11 +449,11 @@ export class NoteEntityService implements OnModuleInit {
 					}
 				} else {
 					if (note.id < oldId) {
-						const reactionsCount = Object.values(mergeReactions(note.reactions, bufferdReactions?.get(note.id)?.deltas ?? {})).reduce((a, b) => a + b, 0);
+						const reactionsCount = Object.values(this.reactionsBufferingService.mergeReactions(note.reactions, bufferedReactions?.get(note.id)?.deltas ?? {})).reduce((a, b) => a + b, 0);
 						if (reactionsCount === 0) {
 							myReactionsMap.set(note.id, null);
-						} else if (reactionsCount <= note.reactionAndUserPairCache.length + (bufferdReactions?.get(note.id)?.pairs.length ?? 0)) {
-							const pairInBuffer = bufferdReactions?.get(note.id)?.pairs.find(p => p[0] === meId);
+						} else if (reactionsCount <= note.reactionAndUserPairCache.length + (bufferedReactions?.get(note.id)?.pairs.length ?? 0)) {
+							const pairInBuffer = bufferedReactions?.get(note.id)?.pairs.find(p => p[0] === meId);
 							if (pairInBuffer) {
 								myReactionsMap.set(note.id, pairInBuffer[1]);
 							} else {
@ -516,7 +494,7 @@ export class NoteEntityService implements OnModuleInit {
 		return await Promise.all(notes.map(n => this.pack(n, me, {
 			...options,
 			_hint_: {
-				bufferdReactions,
+				bufferedReactions,
 				myReactions: myReactionsMap,
 				packedFiles,
 				packedUsers,
--- a/packages/backend/src/daemons/ServerStatsService.ts
+++ b/packages/backend/src/daemons/ServerStatsService.ts
@ -3,13 +3,14 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import si from 'systeminformation';
 import Xev from 'xev';
 import * as osUtils from 'os-utils';
 import { bindThis } from '@/decorators.js';
-import { MetaService } from '@/core/MetaService.js';
 import type { OnApplicationShutdown } from '@nestjs/common';
+import { MiMeta } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';

 const ev = new Xev();

@ -23,7 +24,8 @@ export class ServerStatsService implements OnApplicationShutdown {
 	private intervalId: NodeJS.Timeout | null = null;

 	constructor(
-		private metaService: MetaService,
+		@Inject(DI.meta)
+		private meta: MiMeta,
 	) {
 	}

@ -32,7 +34,7 @@ export class ServerStatsService implements OnApplicationShutdown {
 	 */
 	@bindThis
 	public async start(): Promise<void> {
-		if (!(await this.metaService.fetch(true)).enableServerMachineStats) return;
+		if (!this.meta.enableServerMachineStats) return;

 		const log = [] as any[];

--- a/packages/backend/src/di-symbols.ts
+++ b/packages/backend/src/di-symbols.ts
@ -6,6 +6,7 @@
 export const DI = {
 	config: Symbol('config'),
 	db: Symbol('db'),
+	meta: Symbol('meta'),
 	meilisearch: Symbol('meilisearch'),
 	redis: Symbol('redis'),
 	redisForPub: Symbol('redisForPub'),
--- a/packages/backend/src/misc/fastify-hook-handlers.ts
+++ b/packages/backend/src/misc/fastify-hook-handlers.ts
@ -8,7 +8,7 @@ import type { onRequestHookHandler } from 'fastify';
 export const handleRequestRedirectToOmitSearch: onRequestHookHandler = (request, reply, done) => {
 	const index = request.url.indexOf('?');
 	if (~index) {
-		reply.redirect(301, request.url.slice(0, index));
+		reply.redirect(request.url.slice(0, index), 301);
 	}
 	done();
 };
--- a/packages/backend/src/queue/processors/BakeBufferedReactionsProcessorService.ts
+++ b/packages/backend/src/queue/processors/BakeBufferedReactionsProcessorService.ts
@ -7,17 +7,20 @@ import { Inject, Injectable } from '@nestjs/common';
 import type Logger from '@/logger.js';
 import { bindThis } from '@/decorators.js';
 import { ReactionsBufferingService } from '@/core/ReactionsBufferingService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { QueueLoggerService } from '../QueueLoggerService.js';
 import type * as Bull from 'bullmq';
+import { MiMeta } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';

@Injectable()
 export class BakeBufferedReactionsProcessorService {
 	private logger: Logger;

 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		private reactionsBufferingService: ReactionsBufferingService,
-		private metaService: MetaService,
 		private queueLoggerService: QueueLoggerService,
 	) {
 		this.logger = this.queueLoggerService.logger.createSubLogger('bake-buffered-reactions');
@ -25,8 +28,7 @@ export class BakeBufferedReactionsProcessorService {

 	@bindThis
 	public async process(): Promise<void> {
-		const meta = await this.metaService.fetch();
-		if (!meta.enableReactionsBuffering) {
+		if (!this.meta.enableReactionsBuffering) {
 			this.logger.info('Reactions buffering is disabled. Skipping...');
 			return;
 		}
--- a/packages/backend/src/queue/processors/DeliverProcessorService.ts
+++ b/packages/backend/src/queue/processors/DeliverProcessorService.ts
@ -7,9 +7,8 @@ import { Inject, Injectable } from '@nestjs/common';
 import * as Bull from 'bullmq';
 import { Not } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import type { InstancesRepository } from '@/models/_.js';
+import type { InstancesRepository, MiMeta } from '@/models/_.js';
 import type Logger from '@/logger.js';
-import { MetaService } from '@/core/MetaService.js';
 import { ApRequestService } from '@/core/activitypub/ApRequestService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import { FetchInstanceMetadataService } from '@/core/FetchInstanceMetadataService.js';
@ -31,10 +30,12 @@ export class DeliverProcessorService {
 	private latest: string | null;

 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.instancesRepository)
 		private instancesRepository: InstancesRepository,

-		private metaService: MetaService,
 		private utilityService: UtilityService,
 		private federatedInstanceService: FederatedInstanceService,
 		private fetchInstanceMetadataService: FetchInstanceMetadataService,
@ -53,8 +54,7 @@ export class DeliverProcessorService {
 		const { host } = new URL(job.data.to);

 		// ブロックしてたら中断
-		const meta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(meta.blockedHosts, this.utilityService.toPuny(host))) {
+		if (this.utilityService.isBlockedHost(this.meta.blockedHosts, this.utilityService.toPuny(host))) {
 			return 'skip (blocked)';
 		}

@ -97,7 +97,7 @@ export class DeliverProcessorService {
 			this.apRequestChart.deliverSucc();
 			this.federationChart.deliverd(server.host, true);

-			if (meta.enableChartsForFederatedInstances) {
+			if (this.meta.enableChartsForFederatedInstances) {
 				this.instanceChart.requestSent(server.host, true);
 			}

@ -128,7 +128,7 @@ export class DeliverProcessorService {
 				this.apRequestChart.deliverFail();
 				this.federationChart.deliverd(i.host, false);

-				if (meta.enableChartsForFederatedInstances) {
+				if (this.meta.enableChartsForFederatedInstances) {
 					this.instanceChart.requestSent(i.host, false);
 				}
 			});
--- a/packages/backend/src/queue/processors/ImportCustomEmojisProcessorService.ts
+++ b/packages/backend/src/queue/processors/ImportCustomEmojisProcessorService.ts
@ -87,23 +87,30 @@ export class ImportCustomEmojisProcessorService {
 				await this.emojisRepository.delete({
 					name: emojiInfo.name,
 				});
-				const driveFile = await this.driveService.addFile({
-					user: null,
-					path: emojiPath,
-					name: record.fileName,
-					force: true,
-				});
-				await this.customEmojiService.add({
-					name: emojiInfo.name,
-					category: emojiInfo.category,
-					host: null,
-					aliases: emojiInfo.aliases,
-					driveFile,
-					license: emojiInfo.license,
-					isSensitive: emojiInfo.isSensitive,
-					localOnly: emojiInfo.localOnly,
-					roleIdsThatCanBeUsedThisEmojiAsReaction: [],
-				});
+				try {
+					const driveFile = await this.driveService.addFile({
+						user: null,
+						path: emojiPath,
+						name: record.fileName,
+						force: true,
+					});
+					await this.customEmojiService.add({
+						name: emojiInfo.name,
+						category: emojiInfo.category,
+						host: null,
+						aliases: emojiInfo.aliases,
+						driveFile,
+						license: emojiInfo.license,
+						isSensitive: emojiInfo.isSensitive,
+						localOnly: emojiInfo.localOnly,
+						roleIdsThatCanBeUsedThisEmojiAsReaction: [],
+					});
+				} catch (e) {
+					if (e instanceof Error || typeof e === 'string') {
+						this.logger.error(`couldn't import ${emojiPath} for ${emojiInfo.name}: ${e}`);
+					}
+					continue;
+				}
 			}

 			cleanup();
--- a/packages/backend/src/queue/processors/InboxProcessorService.ts
+++ b/packages/backend/src/queue/processors/InboxProcessorService.ts
@ -4,11 +4,10 @@
 */

 import { URL } from 'node:url';
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import * as Bull from 'bullmq';
 import { verifyDraftSignature } from '@misskey-dev/node-http-message-signatures';
 import type Logger from '@/logger.js';
-import { MetaService } from '@/core/MetaService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import { FetchInstanceMetadataService } from '@/core/FetchInstanceMetadataService.js';
 import InstanceChart from '@/core/chart/charts/instance.js';
@ -26,14 +25,18 @@ import { bindThis } from '@/decorators.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import { QueueLoggerService } from '../QueueLoggerService.js';
 import type { InboxJobData } from '../types.js';
+import { MiMeta } from '@/models/Meta.js';
+import { DI } from '@/di-symbols.js';

@Injectable()
 export class InboxProcessorService {
 	private logger: Logger;

 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		private utilityService: UtilityService,
-		private metaService: MetaService,
 		private apInboxService: ApInboxService,
 		private federatedInstanceService: FederatedInstanceService,
 		private fetchInstanceMetadataService: FetchInstanceMetadataService,
@ -68,8 +71,7 @@ export class InboxProcessorService {
 		const host = this.utilityService.toPuny(new URL(actorUri).hostname);

 		// ブロックしてたら中断
-		const meta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(meta.blockedHosts, host)) {
+		if (this.utilityService.isBlockedHost(this.meta.blockedHosts, host)) {
 			return `Blocked request: ${host}`;
 		}

@ -155,7 +157,7 @@ export class InboxProcessorService {

 				// ブロックしてたら中断
 				const ldHost = this.utilityService.extractDbHost(authUser.user.uri);
-				if (this.utilityService.isBlockedHost(meta.blockedHosts, ldHost)) {
+				if (this.utilityService.isBlockedHost(this.meta.blockedHosts, ldHost)) {
 					throw new Bull.UnrecoverableError(`Blocked request: ${ldHost}`);
 				}

@ -211,7 +213,7 @@ export class InboxProcessorService {
 			this.apRequestChart.inbox();
 			this.federationChart.inbox(i.host);

-			if (meta.enableChartsForFederatedInstances) {
+			if (this.meta.enableChartsForFederatedInstances) {
 				this.instanceChart.requestReceived(i.host);
 			}
 		});
--- a/packages/backend/src/server/FileServerService.ts
+++ b/packages/backend/src/server/FileServerService.ts
@ -82,7 +82,7 @@ export class FileServerService {
 					.catch(err => this.errorHandler(request, reply, err));
 			});
 			fastify.get<{ Params: { key: string; } }>('/files/:key/*', async (request, reply) => {
-				return await reply.redirect(301, `${this.config.url}/files/${request.params.key}`);
+				return await reply.redirect(`${this.config.url}/files/${request.params.key}`, 301);
 			});
 			done();
 		});
@ -147,12 +147,12 @@ export class FileServerService {
 						url.searchParams.set('static', '1');

 						file.cleanup();
-						return await reply.redirect(301, url.toString());
+						return await reply.redirect(url.toString(), 301);
 					} else if (file.mime.startsWith('video/')) {
 						const externalThumbnail = this.videoProcessingService.getExternalVideoThumbnailUrl(file.url);
 						if (externalThumbnail) {
 							file.cleanup();
-							return await reply.redirect(301, externalThumbnail);
+							return await reply.redirect(externalThumbnail, 301);
 						}

 						image = await this.videoProcessingService.generateVideoThumbnail(file.path);
@ -167,7 +167,7 @@ export class FileServerService {
 						url.searchParams.set('url', file.url);

 						file.cleanup();
-						return await reply.redirect(301, url.toString());
+						return await reply.redirect(url.toString(), 301);
 					}
 				}

@ -314,8 +314,8 @@ export class FileServerService {
 			}

 			return await reply.redirect(
-				301,
 				url.toString(),
+				301,
 			);
 		}

--- a/packages/backend/src/server/ServerService.ts
+++ b/packages/backend/src/server/ServerService.ts
@ -13,7 +13,7 @@ import fastifyRawBody from 'fastify-raw-body';
 import { IsNull } from 'typeorm';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import type { Config } from '@/config.js';
-import type { EmojisRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
+import type { EmojisRepository, MiMeta, UserProfilesRepository, UsersRepository } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
 import type Logger from '@/logger.js';
 import * as Acct from '@/misc/acct.js';
@ -21,7 +21,6 @@ import { genIdenticon } from '@/misc/gen-identicon.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { LoggerService } from '@/core/LoggerService.js';
 import { bindThis } from '@/decorators.js';
-import { MetaService } from '@/core/MetaService.js';
 import { ActivityPubServerService } from './ActivityPubServerService.js';
 import { NodeinfoServerService } from './NodeinfoServerService.js';
 import { ApiServerService } from './api/ApiServerService.js';
@ -44,6 +43,9 @@ export class ServerService implements OnApplicationShutdown {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -53,7 +55,6 @@ export class ServerService implements OnApplicationShutdown {
 		@Inject(DI.emojisRepository)
 		private emojisRepository: EmojisRepository,

-		private metaService: MetaService,
 		private userEntityService: UserEntityService,
 		private apiServerService: ApiServerService,
 		private openApiServerService: OpenApiServerService,
@ -165,8 +166,8 @@ export class ServerService implements OnApplicationShutdown {
 			}

 			return await reply.redirect(
-				301,
 				url.toString(),
+				301,
 			);
 		});

@ -193,7 +194,7 @@ export class ServerService implements OnApplicationShutdown {
 			reply.header('Content-Type', 'image/png');
 			reply.header('Cache-Control', 'public, max-age=86400');

-			if ((await this.metaService.fetch()).enableIdenticonGeneration) {
+			if (this.meta.enableIdenticonGeneration) {
 				return await genIdenticon(request.params.x);
 			} else {
 				return reply.redirect('/static-assets/avatar.png');
--- a/packages/backend/src/server/api/ApiCallService.ts
+++ b/packages/backend/src/server/api/ApiCallService.ts
@ -13,8 +13,7 @@ import { getIpHash } from '@/misc/get-ip-hash.js';
 import type { MiLocalUser, MiUser } from '@/models/User.js';
 import type { MiAccessToken } from '@/models/AccessToken.js';
 import type Logger from '@/logger.js';
-import type { UserIpsRepository } from '@/models/_.js';
-import { MetaService } from '@/core/MetaService.js';
+import type { MiMeta, UserIpsRepository } from '@/models/_.js';
 import { createTemp } from '@/misc/create-temp.js';
 import { bindThis } from '@/decorators.js';
 import { RoleService } from '@/core/RoleService.js';
@ -40,13 +39,15 @@ export class ApiCallService implements OnApplicationShutdown {
 	private userIpHistoriesClearIntervalId: NodeJS.Timeout;

 	constructor(
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.config)
 		private config: Config,

 		@Inject(DI.userIpsRepository)
 		private userIpsRepository: UserIpsRepository,

-		private metaService: MetaService,
 		private authenticateService: AuthenticateService,
 		private rateLimiterService: RateLimiterService,
 		private roleService: RoleService,
@ -265,9 +266,8 @@ export class ApiCallService implements OnApplicationShutdown {
 	}

 	@bindThis
-	private async logIp(request: FastifyRequest, user: MiLocalUser) {
-		const meta = await this.metaService.fetch();
-		if (!meta.enableIpLogging) return;
+	private logIp(request: FastifyRequest, user: MiLocalUser) {
+		if (!this.meta.enableIpLogging) return;
 		const ip = request.ip;
 		const ips = this.userIpHistories.get(user.id);
 		if (ips == null || !ips.has(ip)) {
--- a/packages/backend/src/server/api/SignupApiService.ts
+++ b/packages/backend/src/server/api/SignupApiService.ts
@ -7,9 +7,8 @@ import { Inject, Injectable } from '@nestjs/common';
 import bcrypt from 'bcryptjs';
 import { IsNull } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import type { RegistrationTicketsRepository, UsedUsernamesRepository, UserPendingsRepository, UserProfilesRepository, UsersRepository, MiRegistrationTicket } from '@/models/_.js';
+import type { RegistrationTicketsRepository, UsedUsernamesRepository, UserPendingsRepository, UserProfilesRepository, UsersRepository, MiRegistrationTicket, MiMeta } from '@/models/_.js';
 import type { Config } from '@/config.js';
-import { MetaService } from '@/core/MetaService.js';
 import { CaptchaService } from '@/core/CaptchaService.js';
 import { IdService } from '@/core/IdService.js';
 import { SignupService } from '@/core/SignupService.js';
@ -28,6 +27,9 @@ export class SignupApiService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -45,7 +47,6 @@ export class SignupApiService {

 		private userEntityService: UserEntityService,
 		private idService: IdService,
-		private metaService: MetaService,
 		private captchaService: CaptchaService,
 		private signupService: SignupService,
 		private signinService: SigninService,
@ -72,31 +73,29 @@ export class SignupApiService {
 	) {
 		const body = request.body;

-		const instance = await this.metaService.fetch(true);
-
 		// Verify *Captcha
 		// ただしテスト時はこの機構は障害となるため無効にする
 		if (process.env.NODE_ENV !== 'test') {
-			if (instance.enableHcaptcha && instance.hcaptchaSecretKey) {
-				await this.captchaService.verifyHcaptcha(instance.hcaptchaSecretKey, body['hcaptcha-response']).catch(err => {
+			if (this.meta.enableHcaptcha && this.meta.hcaptchaSecretKey) {
+				await this.captchaService.verifyHcaptcha(this.meta.hcaptchaSecretKey, body['hcaptcha-response']).catch(err => {
 					throw new FastifyReplyError(400, err);
 				});
 			}

-			if (instance.enableMcaptcha && instance.mcaptchaSecretKey && instance.mcaptchaSitekey && instance.mcaptchaInstanceUrl) {
-				await this.captchaService.verifyMcaptcha(instance.mcaptchaSecretKey, instance.mcaptchaSitekey, instance.mcaptchaInstanceUrl, body['m-captcha-response']).catch(err => {
+			if (this.meta.enableMcaptcha && this.meta.mcaptchaSecretKey && this.meta.mcaptchaSitekey && this.meta.mcaptchaInstanceUrl) {
+				await this.captchaService.verifyMcaptcha(this.meta.mcaptchaSecretKey, this.meta.mcaptchaSitekey, this.meta.mcaptchaInstanceUrl, body['m-captcha-response']).catch(err => {
 					throw new FastifyReplyError(400, err);
 				});
 			}

-			if (instance.enableRecaptcha && instance.recaptchaSecretKey) {
-				await this.captchaService.verifyRecaptcha(instance.recaptchaSecretKey, body['g-recaptcha-response']).catch(err => {
+			if (this.meta.enableRecaptcha && this.meta.recaptchaSecretKey) {
+				await this.captchaService.verifyRecaptcha(this.meta.recaptchaSecretKey, body['g-recaptcha-response']).catch(err => {
 					throw new FastifyReplyError(400, err);
 				});
 			}

-			if (instance.enableTurnstile && instance.turnstileSecretKey) {
-				await this.captchaService.verifyTurnstile(instance.turnstileSecretKey, body['turnstile-response']).catch(err => {
+			if (this.meta.enableTurnstile && this.meta.turnstileSecretKey) {
+				await this.captchaService.verifyTurnstile(this.meta.turnstileSecretKey, body['turnstile-response']).catch(err => {
 					throw new FastifyReplyError(400, err);
 				});
 			}
@ -108,7 +107,7 @@ export class SignupApiService {
 		const invitationCode = body['invitationCode'];
 		const emailAddress = body['emailAddress'];

-		if (instance.emailRequiredForSignup) {
+		if (this.meta.emailRequiredForSignup) {
 			if (emailAddress == null || typeof emailAddress !== 'string') {
 				reply.code(400);
 				return;
@ -123,7 +122,7 @@ export class SignupApiService {

 		let ticket: MiRegistrationTicket | null = null;

-		if (instance.disableRegistration) {
+		if (this.meta.disableRegistration) {
 			if (invitationCode == null || typeof invitationCode !== 'string') {
 				reply.code(400);
 				return;
@ -144,7 +143,7 @@ export class SignupApiService {
 			}

 			// メアド認証が有効の場合
-			if (instance.emailRequiredForSignup) {
+			if (this.meta.emailRequiredForSignup) {
 				// メアド認証済みならエラー
 				if (ticket.usedBy) {
 					reply.code(400);
@ -162,7 +161,7 @@ export class SignupApiService {
 			}
 		}

-		if (instance.emailRequiredForSignup) {
+		if (this.meta.emailRequiredForSignup) {
 			if (await this.usersRepository.exists({ where: { usernameLower: username.toLowerCase(), host: IsNull() } })) {
 				throw new FastifyReplyError(400, 'DUPLICATED_USERNAME');
 			}
@ -172,7 +171,7 @@ export class SignupApiService {
 				throw new FastifyReplyError(400, 'USED_USERNAME');
 			}

-			const isPreserved = instance.preservedUsernames.map(x => x.toLowerCase()).includes(username.toLowerCase());
+			const isPreserved = this.meta.preservedUsernames.map(x => x.toLowerCase()).includes(username.toLowerCase());
 			if (isPreserved) {
 				throw new FastifyReplyError(400, 'DENIED_USERNAME');
 			}
--- a/packages/backend/src/server/api/endpoints/ap/show.ts
+++ b/packages/backend/src/server/api/endpoints/ap/show.ts
@ -3,7 +3,7 @@
 * SPDX-License-Identifier: AGPL-3.0-only
 */

-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import ms from 'ms';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { MiNote } from '@/models/Note.js';
@ -12,7 +12,6 @@ import { isActor, isPost, getApId } from '@/core/activitypub/type.js';
 import type { SchemaType } from '@/misc/json-schema.js';
 import { ApResolverService } from '@/core/activitypub/ApResolverService.js';
 import { ApDbResolverService } from '@/core/activitypub/ApDbResolverService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
 import { ApNoteService } from '@/core/activitypub/models/ApNoteService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
@ -20,6 +19,8 @@ import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { UtilityService } from '@/core/UtilityService.js';
 import { bindThis } from '@/decorators.js';
 import { ApiError } from '../../error.js';
+import { MiMeta } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';

 export const meta = {
 	tags: ['federation'],
@ -88,10 +89,12 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		private utilityService: UtilityService,
 		private userEntityService: UserEntityService,
 		private noteEntityService: NoteEntityService,
-		private metaService: MetaService,
 		private apResolverService: ApResolverService,
 		private apDbResolverService: ApDbResolverService,
 		private apPersonService: ApPersonService,
@ -112,9 +115,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	 */
 	@bindThis
 	private async fetchAny(uri: string, me: MiLocalUser | null | undefined): Promise<SchemaType<typeof meta['res']> | null> {
-	// ブロックしてたら中断
-		const fetchedMeta = await this.metaService.fetch();
-		if (this.utilityService.isBlockedHost(fetchedMeta.blockedHosts, this.utilityService.extractDbHost(uri))) return null;
+		// ブロックしてたら中断
+		if (this.utilityService.isBlockedHost(this.serverSettings.blockedHosts, this.utilityService.extractDbHost(uri))) return null;

 		let local = await this.mergePack(me, ...await Promise.all([
 			this.apDbResolverService.getUserFromApId(uri),
--- a/packages/backend/src/server/api/endpoints/channels/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/channels/timeline.ts
@ -5,14 +5,12 @@

 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { ChannelsRepository, NotesRepository } from '@/models/_.js';
+import type { ChannelsRepository, MiMeta, NotesRepository } from '@/models/_.js';
 import { QueryService } from '@/core/QueryService.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
 import { DI } from '@/di-symbols.js';
 import { IdService } from '@/core/IdService.js';
-import { CacheService } from '@/core/CacheService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';
 import { MiLocalUser } from '@/models/User.js';
 import { ApiError } from '../../error.js';
@ -58,6 +56,9 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,

@ -68,16 +69,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private noteEntityService: NoteEntityService,
 		private queryService: QueryService,
 		private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
-		private cacheService: CacheService,
 		private activeUsersChart: ActiveUsersChart,
-		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
 			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);

-			const serverSettings = await this.metaService.fetch();
-
 			const channel = await this.channelsRepository.findOneBy({
 				id: ps.channelId,
 			});
@ -88,7 +85,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 			if (me) this.activeUsersChart.read(me);

-			if (!serverSettings.enableFanoutTimeline) {
+			if (!this.serverSettings.enableFanoutTimeline) {
 				return await this.noteEntityService.packMany(await this.getFromDb({ untilId, sinceId, limit: ps.limit, channelId: channel.id }, me), me);
 			}

--- a/packages/backend/src/server/api/endpoints/drive.ts
+++ b/packages/backend/src/server/api/endpoints/drive.ts
@ -5,7 +5,6 @@

 import { Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import { MetaService } from '@/core/MetaService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import { RoleService } from '@/core/RoleService.js';

@ -41,14 +40,10 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		private metaService: MetaService,
 		private driveFileEntityService: DriveFileEntityService,
 		private roleService: RoleService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const instance = await this.metaService.fetch(true);
-
-			// Calculate drive usage
 			const usage = await this.driveFileEntityService.calcDriveUsageOf(me.id);

 			const policies = await this.roleService.getUserPolicies(me.id);
--- a/packages/backend/src/server/api/endpoints/drive/files/attached-notes.ts
+++ b/packages/backend/src/server/api/endpoints/drive/files/attached-notes.ts
@ -10,6 +10,7 @@ import { QueryService } from '@/core/QueryService.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { DI } from '@/di-symbols.js';
 import { ApiError } from '../../../error.js';
+import { RoleService } from '@/core/RoleService.js';

 export const meta = {
 	tags: ['drive', 'notes'],
@ -61,12 +62,13 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 		private noteEntityService: NoteEntityService,
 		private queryService: QueryService,
+		private roleService: RoleService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			// Fetch file
 			const file = await this.driveFilesRepository.findOneBy({
 				id: ps.fileId,
-				userId: me.id,
+				userId: await this.roleService.isModerator(me) ? undefined : me.id,
 			});

 			if (file == null) {
--- a/packages/backend/src/server/api/endpoints/drive/files/create.ts
+++ b/packages/backend/src/server/api/endpoints/drive/files/create.ts
@ -4,14 +4,15 @@
 */

 import ms from 'ms';
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import { DB_MAX_IMAGE_COMMENT_LENGTH } from '@/const.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { DriveService } from '@/core/DriveService.js';
 import { ApiError } from '../../../error.js';
+import { MiMeta } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';

 export const meta = {
 	tags: ['drive'],
@ -73,8 +74,10 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		private driveFileEntityService: DriveFileEntityService,
-		private metaService: MetaService,
 		private driveService: DriveService,
 	) {
 		super(meta, paramDef, async (ps, me, _, file, cleanup, ip, headers) => {
@ -91,8 +94,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				}
 			}

-			const instance = await this.metaService.fetch();
-
 			try {
 				// Create file
 				const driveFile = await this.driveService.addFile({
@ -103,8 +104,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					folderId: ps.folderId,
 					force: ps.force,
 					sensitive: ps.isSensitive,
-					requestIp: instance.enableIpLogging ? ip : null,
-					requestHeaders: instance.enableIpLogging ? headers : null,
+					requestIp: this.serverSettings.enableIpLogging ? ip : null,
+					requestHeaders: this.serverSettings.enableIpLogging ? headers : null,
 				});
 				return await this.driveFileEntityService.pack(driveFile, { self: true });
 			} catch (err) {
--- a/packages/backend/src/server/api/endpoints/i/update-email.ts
+++ b/packages/backend/src/server/api/endpoints/i/update-email.ts
@ -7,7 +7,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import ms from 'ms';
 import bcrypt from 'bcryptjs';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import type { UserProfilesRepository } from '@/models/_.js';
+import type { MiMeta, UserProfilesRepository } from '@/models/_.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { EmailService } from '@/core/EmailService.js';
 import type { Config } from '@/config.js';
@ -15,7 +15,6 @@ import { DI } from '@/di-symbols.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { L_CHARS, secureRndstr } from '@/misc/secure-rndstr.js';
 import { UserAuthService } from '@/core/UserAuthService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { ApiError } from '../../error.js';

 export const meta = {
@ -70,10 +69,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.userProfilesRepository)
 		private userProfilesRepository: UserProfilesRepository,

-		private metaService: MetaService,
 		private userEntityService: UserEntityService,
 		private emailService: EmailService,
 		private userAuthService: UserAuthService,
@ -105,7 +106,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				if (!res.available) {
 					throw new ApiError(meta.errors.unavailable);
 				}
-			} else if ((await this.metaService.fetch()).emailRequiredForSignup) {
+			} else if (this.serverSettings.emailRequiredForSignup) {
 				throw new ApiError(meta.errors.emailRequired);
 			}

--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@ -17,8 +17,6 @@ import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { DI } from '@/di-symbols.js';
 import { isQuote, isRenote } from '@/misc/is-renote.js';
-import { MetaService } from '@/core/MetaService.js';
-import { UtilityService } from '@/core/UtilityService.js';
 import { IdentifiableError } from '@/misc/identifiable-error.js';
 import { ApiError } from '../../error.js';

--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@ -5,7 +5,7 @@

 import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository, ChannelFollowingsRepository } from '@/models/_.js';
+import type { NotesRepository, ChannelFollowingsRepository, MiMeta } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
@ -16,7 +16,6 @@ import { CacheService } from '@/core/CacheService.js';
 import { FanoutTimelineName } from '@/core/FanoutTimelineService.js';
 import { QueryService } from '@/core/QueryService.js';
 import { UserFollowingService } from '@/core/UserFollowingService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { MiLocalUser } from '@/models/User.js';
 import { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';
 import { ApiError } from '../../error.js';
@ -74,6 +73,9 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,

@ -87,7 +89,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private cacheService: CacheService,
 		private queryService: QueryService,
 		private userFollowingService: UserFollowingService,
-		private metaService: MetaService,
 		private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
@ -101,9 +102,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 			if (ps.withReplies && ps.withFiles) throw new ApiError(meta.errors.bothWithRepliesAndWithFiles);

-			const serverSettings = await this.metaService.fetch();
-
-			if (!serverSettings.enableFanoutTimeline) {
+			if (!this.serverSettings.enableFanoutTimeline) {
 				const timeline = await this.getFromDb({
 					untilId,
 					sinceId,
@ -156,7 +155,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				allowPartial: ps.allowPartial,
 				me,
 				redisTimelines: timelineConfig,
-				useDbFallback: serverSettings.enableFanoutTimelineDbFallback,
+				useDbFallback: this.serverSettings.enableFanoutTimelineDbFallback,
 				alwaysIncludeMyNotes: true,
 				excludePureRenotes: !ps.withRenotes,
 				noteFilter: note => {
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@ -5,16 +5,14 @@

 import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository } from '@/models/_.js';
+import type { MiMeta, NotesRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
 import { DI } from '@/di-symbols.js';
 import { RoleService } from '@/core/RoleService.js';
 import { IdService } from '@/core/IdService.js';
-import { CacheService } from '@/core/CacheService.js';
 import { QueryService } from '@/core/QueryService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { MiLocalUser } from '@/models/User.js';
 import { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';
 import { ApiError } from '../../error.js';
@ -66,6 +64,9 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,

@ -73,10 +74,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private roleService: RoleService,
 		private activeUsersChart: ActiveUsersChart,
 		private idService: IdService,
-		private cacheService: CacheService,
 		private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
 		private queryService: QueryService,
-		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
@ -89,9 +88,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 			if (ps.withReplies && ps.withFiles) throw new ApiError(meta.errors.bothWithRepliesAndWithFiles);

-			const serverSettings = await this.metaService.fetch();
-
-			if (!serverSettings.enableFanoutTimeline) {
+			if (!this.serverSettings.enableFanoutTimeline) {
 				const timeline = await this.getFromDb({
 					untilId,
 					sinceId,
@ -115,7 +112,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				limit: ps.limit,
 				allowPartial: ps.allowPartial,
 				me,
-				useDbFallback: serverSettings.enableFanoutTimelineDbFallback,
+				useDbFallback: this.serverSettings.enableFanoutTimelineDbFallback,
 				redisTimelines:
 					ps.withFiles ? ['localTimelineWithFiles']
 					: ps.withReplies ? ['localTimeline', 'localTimelineWithReplies']
--- a/packages/backend/src/server/api/endpoints/notes/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/timeline.ts
@ -5,7 +5,7 @@

 import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository, ChannelFollowingsRepository } from '@/models/_.js';
+import type { NotesRepository, ChannelFollowingsRepository, MiMeta } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { QueryService } from '@/core/QueryService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
@ -15,7 +15,6 @@ import { IdService } from '@/core/IdService.js';
 import { CacheService } from '@/core/CacheService.js';
 import { UserFollowingService } from '@/core/UserFollowingService.js';
 import { MiLocalUser } from '@/models/User.js';
-import { MetaService } from '@/core/MetaService.js';
 import { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';

 export const meta = {
@ -56,6 +55,9 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,

@ -69,15 +71,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
 		private userFollowingService: UserFollowingService,
 		private queryService: QueryService,
-		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
 			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);

-			const serverSettings = await this.metaService.fetch();
-
-			if (!serverSettings.enableFanoutTimeline) {
+			if (!this.serverSettings.enableFanoutTimeline) {
 				const timeline = await this.getFromDb({
 					untilId,
 					sinceId,
@ -108,7 +107,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				limit: ps.limit,
 				allowPartial: ps.allowPartial,
 				me,
-				useDbFallback: serverSettings.enableFanoutTimelineDbFallback,
+				useDbFallback: this.serverSettings.enableFanoutTimelineDbFallback,
 				redisTimelines: ps.withFiles ? [`homeTimelineWithFiles:${me.id}`] : [`homeTimeline:${me.id}`],
 				alwaysIncludeMyNotes: true,
 				excludePureRenotes: !ps.withRenotes,
--- a/packages/backend/src/server/api/endpoints/notes/translate.ts
+++ b/packages/backend/src/server/api/endpoints/notes/translate.ts
@ -4,14 +4,15 @@
 */

 import { URLSearchParams } from 'node:url';
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
 import { GetterService } from '@/server/api/GetterService.js';
 import { RoleService } from '@/core/RoleService.js';
 import { ApiError } from '../../error.js';
+import { MiMeta } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';

 export const meta = {
 	tags: ['notes'],
@ -59,9 +60,11 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		private noteEntityService: NoteEntityService,
 		private getterService: GetterService,
-		private metaService: MetaService,
 		private httpRequestService: HttpRequestService,
 		private roleService: RoleService,
 	) {
@ -84,9 +87,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				return;
 			}

-			const instance = await this.metaService.fetch();
-
-			if (instance.deeplAuthKey == null) {
+			if (this.serverSettings.deeplAuthKey == null) {
 				throw new ApiError(meta.errors.unavailable);
 			}

@ -94,11 +95,11 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (targetLang.includes('-')) targetLang = targetLang.split('-')[0];

 			const params = new URLSearchParams();
-			params.append('auth_key', instance.deeplAuthKey);
+			params.append('auth_key', this.serverSettings.deeplAuthKey);
 			params.append('text', note.text);
 			params.append('target_lang', targetLang);

-			const endpoint = instance.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';
+			const endpoint = this.serverSettings.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';

 			const res = await this.httpRequestService.send(endpoint, {
 				method: 'POST',
--- a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
@ -5,16 +5,14 @@

 import { Inject, Injectable } from '@nestjs/common';
 import { Brackets } from 'typeorm';
-import type { MiUserList, NotesRepository, UserListMembershipsRepository, UserListsRepository } from '@/models/_.js';
+import type { MiMeta, MiUserList, NotesRepository, UserListMembershipsRepository, UserListsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import ActiveUsersChart from '@/core/chart/charts/active-users.js';
 import { DI } from '@/di-symbols.js';
-import { CacheService } from '@/core/CacheService.js';
 import { IdService } from '@/core/IdService.js';
 import { QueryService } from '@/core/QueryService.js';
 import { MiLocalUser } from '@/models/User.js';
-import { MetaService } from '@/core/MetaService.js';
 import { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';
 import { ApiError } from '../../error.js';

@ -69,6 +67,9 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,

@ -80,11 +81,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 		private noteEntityService: NoteEntityService,
 		private activeUsersChart: ActiveUsersChart,
-		private cacheService: CacheService,
 		private idService: IdService,
 		private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
 		private queryService: QueryService,
-		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
@ -99,9 +98,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchList);
 			}

-			const serverSettings = await this.metaService.fetch();
-
-			if (!serverSettings.enableFanoutTimeline) {
+			if (!this.serverSettings.enableFanoutTimeline) {
 				const timeline = await this.getFromDb(list, {
 					untilId,
 					sinceId,
@ -124,7 +121,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				limit: ps.limit,
 				allowPartial: ps.allowPartial,
 				me,
-				useDbFallback: serverSettings.enableFanoutTimelineDbFallback,
+				useDbFallback: this.serverSettings.enableFanoutTimelineDbFallback,
 				redisTimelines: ps.withFiles ? [`userListTimelineWithFiles:${list.id}`] : [`userListTimeline:${list.id}`],
 				alwaysIncludeMyNotes: true,
 				excludePureRenotes: !ps.withRenotes,
--- a/packages/backend/src/server/api/endpoints/pinned-users.ts
+++ b/packages/backend/src/server/api/endpoints/pinned-users.ts
@ -5,11 +5,10 @@

 import { IsNull } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { UsersRepository } from '@/models/_.js';
+import type { MiMeta, UsersRepository } from '@/models/_.js';
 import * as Acct from '@/misc/acct.js';
 import type { MiUser } from '@/models/User.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import { MetaService } from '@/core/MetaService.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { DI } from '@/di-symbols.js';

@ -38,16 +37,16 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

-		private metaService: MetaService,
 		private userEntityService: UserEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const meta = await this.metaService.fetch();
-
-			const users = await Promise.all(meta.pinnedUsers.map(acct => Acct.parse(acct)).map(acct => this.usersRepository.findOneBy({
+			const users = await Promise.all(this.serverSettings.pinnedUsers.map(acct => Acct.parse(acct)).map(acct => this.usersRepository.findOneBy({
 				usernameLower: acct.username.toLowerCase(),
 				host: acct.host ?? IsNull(),
 			})));
--- a/packages/backend/src/server/api/endpoints/server-info.ts
+++ b/packages/backend/src/server/api/endpoints/server-info.ts
@ -5,9 +5,10 @@

 import * as os from 'node:os';
 import si from 'systeminformation';
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import { MetaService } from '@/core/MetaService.js';
+import { MiMeta } from '@/models/_.js';
+import { DI } from '@/di-symbols.js';

 export const meta = {
 	requireCredential: false,
@ -73,10 +74,11 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		private metaService: MetaService,
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
 	) {
 		super(meta, paramDef, async () => {
-			if (!(await this.metaService.fetch()).enableServerMachineStats) return {
+			if (!this.serverSettings.enableServerMachineStats) return {
 				machine: '?',
 				cpu: {
 					model: '?',
--- a/packages/backend/src/server/api/endpoints/sw/register.ts
+++ b/packages/backend/src/server/api/endpoints/sw/register.ts
@ -5,9 +5,8 @@

 import { Inject, Injectable } from '@nestjs/common';
 import { IdService } from '@/core/IdService.js';
-import type { SwSubscriptionsRepository } from '@/models/_.js';
+import type { MiMeta, SwSubscriptionsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import { MetaService } from '@/core/MetaService.js';
 import { DI } from '@/di-symbols.js';
 import { PushNotificationService } from '@/core/PushNotificationService.js';

@ -62,11 +61,13 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.swSubscriptionsRepository)
 		private swSubscriptionsRepository: SwSubscriptionsRepository,

 		private idService: IdService,
-		private metaService: MetaService,
 		private pushNotificationService: PushNotificationService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
@ -78,12 +79,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				publickey: ps.publickey,
 			});

-			const instance = await this.metaService.fetch(true);
-
 			if (exist != null) {
 				return {
 					state: 'already-subscribed' as const,
-					key: instance.swPublicKey,
+					key: this.serverSettings.swPublicKey,
 					userId: me.id,
 					endpoint: exist.endpoint,
 					sendReadMessage: exist.sendReadMessage,
@ -103,7 +102,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 			return {
 				state: 'subscribed' as const,
-				key: instance.swPublicKey,
+				key: this.serverSettings.swPublicKey,
 				userId: me.id,
 				endpoint: ps.endpoint,
 				sendReadMessage: ps.sendReadMessage,
--- a/packages/backend/src/server/api/endpoints/username/available.ts
+++ b/packages/backend/src/server/api/endpoints/username/available.ts
@ -5,11 +5,10 @@

 import { IsNull } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { UsedUsernamesRepository, UsersRepository } from '@/models/_.js';
+import type { MiMeta, UsedUsernamesRepository, UsersRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { localUsernameSchema } from '@/models/User.js';
 import { DI } from '@/di-symbols.js';
-import { MetaService } from '@/core/MetaService.js';

 export const meta = {
 	tags: ['users'],
@ -39,13 +38,14 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

 		@Inject(DI.usedUsernamesRepository)
 		private usedUsernamesRepository: UsedUsernamesRepository,
-
-		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const exist = await this.usersRepository.countBy({
@ -55,8 +55,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-

 			const exist2 = await this.usedUsernamesRepository.countBy({ username: ps.username.toLowerCase() });

-			const meta = await this.metaService.fetch();
-			const isPreserved = meta.preservedUsernames.map(x => x.toLowerCase()).includes(ps.username.toLowerCase());
+			const isPreserved = this.serverSettings.preservedUsernames.map(x => x.toLowerCase()).includes(ps.username.toLowerCase());

 			return {
 				available: exist === 0 && exist2 === 0 && !isPreserved,
--- a/packages/backend/src/server/api/endpoints/users/notes.ts
+++ b/packages/backend/src/server/api/endpoints/users/notes.ts
@ -5,14 +5,13 @@

 import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { NotesRepository } from '@/models/_.js';
+import type { MiMeta, NotesRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { DI } from '@/di-symbols.js';
 import { CacheService } from '@/core/CacheService.js';
 import { IdService } from '@/core/IdService.js';
 import { QueryService } from '@/core/QueryService.js';
-import { MetaService } from '@/core/MetaService.js';
 import { MiLocalUser } from '@/models/User.js';
 import { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';
 import { FanoutTimelineName } from '@/core/FanoutTimelineService.js';
@ -67,6 +66,9 @@ export const paramDef = {
@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.meta)
+		private serverSettings: MiMeta,
+
 		@Inject(DI.notesRepository)
 		private notesRepository: NotesRepository,

@ -75,15 +77,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private cacheService: CacheService,
 		private idService: IdService,
 		private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
-		private metaService: MetaService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
 			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 			const isSelf = me && (me.id === ps.userId);

-			const serverSettings = await this.metaService.fetch();
-
 			if (ps.withReplies && ps.withFiles) throw new ApiError(meta.errors.bothWithRepliesAndWithFiles);

 			// early return if me is blocked by requesting user
@ -94,7 +93,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				}
 			}

-			if (!serverSettings.enableFanoutTimeline) {
+			if (!this.serverSettings.enableFanoutTimeline) {
 				const timeline = await this.getFromDb({
 					untilId,
 					sinceId,
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@ -9,7 +9,7 @@ import { fileURLToPath } from 'node:url';
 import { Inject, Injectable } from '@nestjs/common';
 import { createBullBoard } from '@bull-board/api';
 import { BullMQAdapter } from '@bull-board/api/bullMQAdapter.js';
-import { FastifyAdapter } from '@bull-board/fastify';
+import { FastifyAdapter as BullBoardFastifyAdapter } from '@bull-board/fastify';
 import ms from 'ms';
 import sharp from 'sharp';
 import pug from 'pug';
@ -24,7 +24,6 @@ import type { Config } from '@/config.js';
 import { getNoteSummary } from '@/misc/get-note-summary.js';
 import { DI } from '@/di-symbols.js';
 import * as Acct from '@/misc/acct.js';
-import { MetaService } from '@/core/MetaService.js';
 import type {
 	DbQueue,
 	DeliverQueue,
@ -73,6 +72,9 @@ export class ClientServerService {
 		@Inject(DI.config)
 		private config: Config,

+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,

@ -109,7 +111,6 @@ export class ClientServerService {
 		private clipEntityService: ClipEntityService,
 		private channelEntityService: ChannelEntityService,
 		private reversiGameEntityService: ReversiGameEntityService,
-		private metaService: MetaService,
 		private urlPreviewService: UrlPreviewService,
 		private feedService: FeedService,
 		private roleService: RoleService,
@ -129,32 +130,30 @@ export class ClientServerService {

 	@bindThis
 	private async manifestHandler(reply: FastifyReply) {
-		const instance = await this.metaService.fetch(true);
-
 		let manifest = {
 			// 空文字列の場合右辺を使いたいため
 			// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
-			'short_name': instance.shortName || instance.name || this.config.host,
+			'short_name': this.meta.shortName || this.meta.name || this.config.host,
 			// 空文字列の場合右辺を使いたいため
 			// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
-			'name': instance.name || this.config.host,
+			'name': this.meta.name || this.config.host,
 			'start_url': '/',
 			'display': 'standalone',
 			'background_color': '#313a42',
 			// 空文字列の場合右辺を使いたいため
 			// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
-			'theme_color': instance.themeColor || '#86b300',
+			'theme_color': this.meta.themeColor || '#86b300',
 			'icons': [{
 				// 空文字列の場合右辺を使いたいため
 				// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
-				'src': instance.app192IconUrl || '/static-assets/icons/192.png',
+				'src': this.meta.app192IconUrl || '/static-assets/icons/192.png',
 				'sizes': '192x192',
 				'type': 'image/png',
 				'purpose': 'maskable',
 			}, {
 				// 空文字列の場合右辺を使いたいため
 				// eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing
-				'src': instance.app512IconUrl || '/static-assets/icons/512.png',
+				'src': this.meta.app512IconUrl || '/static-assets/icons/512.png',
 				'sizes': '512x512',
 				'type': 'image/png',
 				'purpose': 'maskable',
@ -178,7 +177,7 @@ export class ClientServerService {

 		manifest = {
 			...manifest,
-			...JSON.parse(instance.manifestJsonOverride === '' ? '{}' : instance.manifestJsonOverride),
+			...JSON.parse(this.meta.manifestJsonOverride === '' ? '{}' : this.meta.manifestJsonOverride),
 		};

 		reply.header('Cache-Control', 'max-age=300');
@ -240,7 +239,7 @@ export class ClientServerService {
 			}
 		});

-		const serverAdapter = new FastifyAdapter();
+		const bullBoardServerAdapter = new BullBoardFastifyAdapter();

 		createBullBoard({
 			queues: [
@ -253,11 +252,11 @@ export class ClientServerService {
 				this.userWebhookDeliverQueue,
 				this.systemWebhookDeliverQueue,
 			].map(q => new BullMQAdapter(q)),
-			serverAdapter,
+			serverAdapter: bullBoardServerAdapter,
 		});

-		serverAdapter.setBasePath(bullBoardPath);
-		(fastify.register as any)(serverAdapter.registerPlugin(), { prefix: bullBoardPath });
+		bullBoardServerAdapter.setBasePath(bullBoardPath);
+		//(fastify.register as any)(bullBoardServerAdapter.registerPlugin(), { prefix: bullBoardPath });
 		//#endregion

 		fastify.register(fastifyView, {
@ -453,9 +452,7 @@ export class ClientServerService {

 		// OpenSearch XML
 		fastify.get('/opensearch.xml', async (request, reply) => {
-			const meta = await this.metaService.fetch();
-
-			const name = meta.name ?? 'Misskey';
+			const name = this.meta.name ?? 'Misskey';
 			let content = '';
 			content += '<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:moz="http://www.mozilla.org/2006/browser/search/">';
 			content += `<ShortName>${name}</ShortName>`;
@ -472,14 +469,13 @@ export class ClientServerService {
 		//#endregion

 		const renderBase = async (reply: FastifyReply, data: { [key: string]: any } = {}) => {
-			const meta = await this.metaService.fetch();
 			reply.header('Cache-Control', 'public, max-age=30');
 			return await reply.view('base', {
-				img: meta.bannerUrl,
+				img: this.meta.bannerUrl,
 				url: this.config.url,
-				title: meta.name ?? 'Misskey',
-				desc: meta.description,
-				...await this.generateCommonPugData(meta),
+				title: this.meta.name ?? 'Misskey',
+				desc: this.meta.description,
+				...await this.generateCommonPugData(this.meta),
 				...data,
 			});
 		};
@ -557,7 +553,6 @@ export class ClientServerService {

 			if (user != null) {
 				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
-				const meta = await this.metaService.fetch();
 				const me = profile.fields
 					? profile.fields
 						.filter(filed => filed.value != null && filed.value.match(/^https?:/))
@ -573,7 +568,7 @@ export class ClientServerService {
 					user, profile, me,
 					avatarUrl: user.avatarUrl ?? this.userEntityService.getIdenticonUrl(user),
 					sub: request.params.sub,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				// リモートユーザーなので
@ -611,7 +606,6 @@ export class ClientServerService {
 			if (note) {
 				const _note = await this.noteEntityService.pack(note);
 				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: note.userId });
-				const meta = await this.metaService.fetch();
 				reply.header('Cache-Control', 'public, max-age=15');
 				if (profile.preventAiLearning) {
 					reply.header('X-Robots-Tag', 'noimageai');
@ -623,7 +617,7 @@ export class ClientServerService {
 					avatarUrl: _note.user.avatarUrl,
 					// TODO: Let locale changeable by instance setting
 					summary: getNoteSummary(_note),
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -648,7 +642,6 @@ export class ClientServerService {
 			if (page) {
 				const _page = await this.pageEntityService.pack(page);
 				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: page.userId });
-				const meta = await this.metaService.fetch();
 				if (['public'].includes(page.visibility)) {
 					reply.header('Cache-Control', 'public, max-age=15');
 				} else {
@ -662,7 +655,7 @@ export class ClientServerService {
 					page: _page,
 					profile,
 					avatarUrl: _page.user.avatarUrl,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -678,7 +671,6 @@ export class ClientServerService {
 			if (flash) {
 				const _flash = await this.flashEntityService.pack(flash);
 				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: flash.userId });
-				const meta = await this.metaService.fetch();
 				reply.header('Cache-Control', 'public, max-age=15');
 				if (profile.preventAiLearning) {
 					reply.header('X-Robots-Tag', 'noimageai');
@ -688,7 +680,7 @@ export class ClientServerService {
 					flash: _flash,
 					profile,
 					avatarUrl: _flash.user.avatarUrl,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -704,7 +696,6 @@ export class ClientServerService {
 			if (clip && clip.isPublic) {
 				const _clip = await this.clipEntityService.pack(clip);
 				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: clip.userId });
-				const meta = await this.metaService.fetch();
 				reply.header('Cache-Control', 'public, max-age=15');
 				if (profile.preventAiLearning) {
 					reply.header('X-Robots-Tag', 'noimageai');
@ -714,7 +705,7 @@ export class ClientServerService {
 					clip: _clip,
 					profile,
 					avatarUrl: _clip.user.avatarUrl,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -728,7 +719,6 @@ export class ClientServerService {
 			if (post) {
 				const _post = await this.galleryPostEntityService.pack(post);
 				const profile = await this.userProfilesRepository.findOneByOrFail({ userId: post.userId });
-				const meta = await this.metaService.fetch();
 				reply.header('Cache-Control', 'public, max-age=15');
 				if (profile.preventAiLearning) {
 					reply.header('X-Robots-Tag', 'noimageai');
@ -738,7 +728,7 @@ export class ClientServerService {
 					post: _post,
 					profile,
 					avatarUrl: _post.user.avatarUrl,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -753,11 +743,10 @@ export class ClientServerService {

 			if (channel) {
 				const _channel = await this.channelEntityService.pack(channel);
-				const meta = await this.metaService.fetch();
 				reply.header('Cache-Control', 'public, max-age=15');
 				return await reply.view('channel', {
 					channel: _channel,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -772,11 +761,10 @@ export class ClientServerService {

 			if (game) {
 				const _game = await this.reversiGameEntityService.packDetail(game);
-				const meta = await this.metaService.fetch();
 				reply.header('Cache-Control', 'public, max-age=3600');
 				return await reply.view('reversi-game', {
 					game: _game,
-					...await this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(this.meta),
 				});
 			} else {
 				return await renderBase(reply);
@ -797,27 +785,89 @@ export class ClientServerService {
 		//#endregion

 		//#region embed pages
-		fastify.get('/embed/*', async (request, reply) => {
-			const meta = await this.metaService.fetch();
+		fastify.get<{ Params: { user: string; } }>('/embed/user-timeline/:user', async (request, reply) => {
+			reply.removeHeader('X-Frame-Options');

+			const user = await this.usersRepository.findOneBy({
+				id: request.params.user,
+			});
+
+			if (user == null) return;
+			if (user.host != null) return;
+
+			const _user = await this.userEntityService.pack(user);
+
+			reply.header('Cache-Control', 'public, max-age=3600');
+			return await reply.view('base-embed', {
+				title: this.meta.name ?? 'Misskey',
+				...await this.generateCommonPugData(this.meta),
+				embedCtx: htmlSafeJsonStringify({
+					user: _user,
+				}),
+			});
+		});
+
+		fastify.get<{ Params: { note: string; } }>('/embed/notes/:note', async (request, reply) => {
+			reply.removeHeader('X-Frame-Options');
+
+			const note = await this.notesRepository.findOneBy({
+				id: request.params.note,
+			});
+
+			if (note == null) return;
+			if (note.visibility !== 'public') return;
+			if (note.userHost != null) return;
+
+			const _note = await this.noteEntityService.pack(note, null, { detail: true });
+
+			reply.header('Cache-Control', 'public, max-age=3600');
+			return await reply.view('base-embed', {
+				title: this.meta.name ?? 'Misskey',
+				...await this.generateCommonPugData(this.meta),
+				embedCtx: htmlSafeJsonStringify({
+					note: _note,
+				}),
+			});
+		});
+
+		fastify.get<{ Params: { clip: string; } }>('/embed/clips/:clip', async (request, reply) => {
+			reply.removeHeader('X-Frame-Options');
+
+			const clip = await this.clipsRepository.findOneBy({
+				id: request.params.clip,
+			});
+
+			if (clip == null) return;
+
+			const _clip = await this.clipEntityService.pack(clip);
+
+			reply.header('Cache-Control', 'public, max-age=3600');
+			return await reply.view('base-embed', {
+				title: this.meta.name ?? 'Misskey',
+				...await this.generateCommonPugData(this.meta),
+				embedCtx: htmlSafeJsonStringify({
+					clip: _clip,
+				}),
+			});
+		});
+
+		fastify.get('/embed/*', async (request, reply) => {
 			reply.removeHeader('X-Frame-Options');

 			reply.header('Cache-Control', 'public, max-age=3600');
 			return await reply.view('base-embed', {
-				title: meta.name ?? 'Misskey',
-				...await this.generateCommonPugData(meta),
+				title: this.meta.name ?? 'Misskey',
+				...await this.generateCommonPugData(this.meta),
 			});
 		});

 		fastify.get('/_info_card_', async (request, reply) => {
-			const meta = await this.metaService.fetch(true);
-
 			reply.removeHeader('X-Frame-Options');

 			return await reply.view('info-card', {
 				version: this.config.version,
 				host: this.config.host,
-				meta: meta,
+				meta: this.meta,
 				originalUsersCount: await this.usersRepository.countBy({ host: IsNull() }),
 				originalNotesCount: await this.notesRepository.countBy({ userHost: IsNull() }),
 			});
--- a/packages/backend/src/server/web/UrlPreviewService.ts
+++ b/packages/backend/src/server/web/UrlPreviewService.ts
@ -8,7 +8,6 @@ import { summaly } from '@misskey-dev/summaly';
 import { SummalyResult } from '@misskey-dev/summaly/built/summary.js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
-import { MetaService } from '@/core/MetaService.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
 import type Logger from '@/logger.js';
 import { query } from '@/misc/prelude/url.js';
@ -26,7 +25,9 @@ export class UrlPreviewService {
 		@Inject(DI.config)
 		private config: Config,

-		private metaService: MetaService,
+		@Inject(DI.meta)
+		private meta: MiMeta,
+
 		private httpRequestService: HttpRequestService,
 		private loggerService: LoggerService,
 	) {
@ -62,9 +63,7 @@ export class UrlPreviewService {
 			return;
 		}

-		const meta = await this.metaService.fetch();
-
-		if (!meta.urlPreviewEnabled) {
+		if (!this.meta.urlPreviewEnabled) {
 			reply.code(403);
 			return {
 				error: new ApiError({
@ -75,14 +74,14 @@ export class UrlPreviewService {
 			};
 		}

-		this.logger.info(meta.urlPreviewSummaryProxyUrl
+		this.logger.info(this.meta.urlPreviewSummaryProxyUrl
 			? `(Proxy) Getting preview of ${url}@${lang} ...`
 			: `Getting preview of ${url}@${lang} ...`);

 		try {
-			const summary = meta.urlPreviewSummaryProxyUrl
-				? await this.fetchSummaryFromProxy(url, meta, lang)
-				: await this.fetchSummary(url, meta, lang);
+			const summary = this.meta.urlPreviewSummaryProxyUrl
+				? await this.fetchSummaryFromProxy(url, this.meta, lang)
+				: await this.fetchSummary(url, this.meta, lang);

 			this.logger.succ(`Got preview of ${url}: ${summary.title}`);

--- a/packages/backend/src/server/web/views/base-embed.pug
+++ b/packages/backend/src/server/web/views/base-embed.pug
@ -43,6 +43,9 @@ html(class='embed')
 		script(type='application/json' id='misskey_meta' data-generated-at=now)
 			!= metaJson

+		script(type='application/json' id='misskey_embedCtx' data-generated-at=now)
+			!= embedCtx
+
 		script
 			include ../boot.embed.js

--- a/packages/backend/test-server/entry.ts
+++ b/packages/backend/test-server/entry.ts
@ -6,12 +6,16 @@ import { MainModule } from '@/MainModule.js';
 import { ServerService } from '@/server/ServerService.js';
 import { loadConfig } from '@/config.js';
 import { NestLogger } from '@/NestLogger.js';
+import { INestApplicationContext } from '@nestjs/common';

 const config = loadConfig();
 const originEnv = JSON.stringify(process.env);

 process.env.NODE_ENV = 'test';

+let app: INestApplicationContext;
+let serverService: ServerService;
+
 /**
 * テスト用のサーバインスタンスを起動する
 */
@ -20,10 +24,10 @@ async function launch() {

 	console.log('starting application...');

-	const app = await NestFactory.createApplicationContext(MainModule, {
+	app = await NestFactory.createApplicationContext(MainModule, {
 		logger: new NestLogger(),
 	});
-	const serverService = app.get(ServerService);
+	serverService = app.get(ServerService);
 	await serverService.launch();

 	await startControllerEndpoints();
@ -71,6 +75,20 @@ async function startControllerEndpoints(port = config.port + 1000) {

 	fastify.post<{ Body: { key?: string, value?: string } }>('/env-reset', async (req, res) => {
 		process.env = JSON.parse(originEnv);
+
+		await serverService.dispose();
+		await app.close();
+
+		await killTestServer();
+
+		console.log('starting application...');
+
+		app = await NestFactory.createApplicationContext(MainModule, {
+			logger: new NestLogger(),
+		});
+		serverService = app.get(ServerService);
+		await serverService.launch();
+
 		res.code(200).send({ success: true });
 	});

--- a/packages/backend/test/e2e/fetch-resource.ts
+++ b/packages/backend/test/e2e/fetch-resource.ts
@ -180,6 +180,7 @@ describe('Webリソース', () => {
 		}));
 	});

+	/* queueは一時的に無効化されている
 	describe.each([{ path: '/queue' }])('$path', ({ path }) => {
 		test('はログインしないとGETできない。', async () => await notOk({
 			path,
@ -197,6 +198,7 @@ describe('Webリソース', () => {
 			cookie: cookie(alice),
 		}));
 	});
+	*/

 	describe.each([{ path: '/streaming' }])('$path', ({ path }) => {
 		test('はGETできない。', async () => await notOk({
--- a/packages/backend/test/jest.setup.ts
+++ b/packages/backend/test/jest.setup.ts
@ -6,8 +6,6 @@
 import { initTestDb, sendEnvResetRequest } from './utils.js';

 beforeAll(async () => {
-	await Promise.all([
-		initTestDb(false),
-		sendEnvResetRequest(),
-	]);
+		await initTestDb(false);
+		await sendEnvResetRequest();
 });
--- a/packages/backend/test/misc/mock-resolver.ts
+++ b/packages/backend/test/misc/mock-resolver.ts
@ -18,6 +18,7 @@ import type { FederatedInstanceService } from '@/core/FederatedInstanceService.j
 import { bindThis } from '@/decorators.js';
 import type {
 	FollowRequestsRepository,
+	MiMeta,
 	NoteReactionsRepository,
 	NotesRepository,
 	PollsRepository,
@ -36,6 +37,7 @@ export class MockResolver extends Resolver {
 	constructor(loggerService: LoggerService) {
 		super(
 			{} as Config,
+			{} as MiMeta,
 			{} as UsersRepository,
 			{} as NotesRepository,
 			{} as PollsRepository,
@ -43,7 +45,6 @@ export class MockResolver extends Resolver {
 			{} as FollowRequestsRepository,
 			{} as UtilityService,
 			{} as InstanceActorService,
-			{} as MetaService,
 			{} as ApRequestService,
 			{} as HttpRequestService,
 			{} as ApRendererService,
--- a/packages/backend/test/unit/RoleService.ts
+++ b/packages/backend/test/unit/RoleService.ts
@ -13,6 +13,7 @@ import * as lolex from '@sinonjs/fake-timers';
 import { GlobalModule } from '@/GlobalModule.js';
 import { RoleService } from '@/core/RoleService.js';
 import {
+	MiMeta,
 	MiRole,
 	MiRoleAssignment,
 	MiUser,
@ -41,7 +42,7 @@ describe('RoleService', () => {
 	let usersRepository: UsersRepository;
 	let rolesRepository: RolesRepository;
 	let roleAssignmentsRepository: RoleAssignmentsRepository;
-	let metaService: jest.Mocked<MetaService>;
+	let meta: jest.Mocked<MiMeta>;
 	let notificationService: jest.Mocked<NotificationService>;
 	let clock: lolex.InstalledClock;

@ -142,7 +143,7 @@ describe('RoleService', () => {
 		rolesRepository = app.get<RolesRepository>(DI.rolesRepository);
 		roleAssignmentsRepository = app.get<RoleAssignmentsRepository>(DI.roleAssignmentsRepository);

-		metaService = app.get<MetaService>(MetaService) as jest.Mocked<MetaService>;
+		meta = app.get<MiMeta>(DI.meta) as jest.Mocked<MiMeta>;
 		notificationService = app.get<NotificationService>(NotificationService) as jest.Mocked<NotificationService>;

 		await roleService.onModuleInit();
@ -164,11 +165,9 @@ describe('RoleService', () => {
 	describe('getUserPolicies', () => {
 		test('instance default policies', async () => {
 			const user = await createUser();
-			metaService.fetch.mockResolvedValue({
-				policies: {
-					canManageCustomEmojis: false,
-				},
-			} as any);
+			meta.policies = {
+				canManageCustomEmojis: false,
+			};

 			const result = await roleService.getUserPolicies(user.id);

@ -177,11 +176,9 @@ describe('RoleService', () => {

 		test('instance default policies 2', async () => {
 			const user = await createUser();
-			metaService.fetch.mockResolvedValue({
-				policies: {
-					canManageCustomEmojis: true,
-				},
-			} as any);
+			meta.policies = {
+				canManageCustomEmojis: true,
+			};

 			const result = await roleService.getUserPolicies(user.id);

@ -201,11 +198,9 @@ describe('RoleService', () => {
 				},
 			});
 			await roleService.assign(user.id, role.id);
-			metaService.fetch.mockResolvedValue({
-				policies: {
-					canManageCustomEmojis: false,
-				},
-			} as any);
+			meta.policies = {
+				canManageCustomEmojis: false,
+			};

 			const result = await roleService.getUserPolicies(user.id);

@ -236,11 +231,9 @@ describe('RoleService', () => {
 			});
 			await roleService.assign(user.id, role1.id);
 			await roleService.assign(user.id, role2.id);
-			metaService.fetch.mockResolvedValue({
-				policies: {
-					driveCapacityMb: 50,
-				},
-			} as any);
+			meta.policies = {
+				driveCapacityMb: 50,
+			};

 			const result = await roleService.getUserPolicies(user.id);

@ -260,11 +253,9 @@ describe('RoleService', () => {
 				},
 			});
 			await roleService.assign(user.id, role.id, new Date(Date.now() + (1000 * 60 * 60 * 24)));
-			metaService.fetch.mockResolvedValue({
-				policies: {
-					canManageCustomEmojis: false,
-				},
-			} as any);
+			meta.policies = {
+				canManageCustomEmojis: false,
+			};

 			const result = await roleService.getUserPolicies(user.id);
 			expect(result.canManageCustomEmojis).toBe(true);
--- a/packages/backend/test/unit/activitypub.ts
+++ b/packages/backend/test/unit/activitypub.ts
@ -24,7 +24,6 @@ import { MiMeta, MiNote, UserProfilesRepository } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
 import { secureRndstr } from '@/misc/secure-rndstr.js';
 import { DownloadService } from '@/core/DownloadService.js';
-import { MetaService } from '@/core/MetaService.js';
 import type { MiRemoteUser } from '@/models/User.js';
 import { genAidx } from '@/misc/id/aidx.js';
 import { MockResolver } from '../misc/mock-resolver.js';
@ -107,7 +106,14 @@ describe('ActivityPub', () => {
 		sensitiveWords: [] as string[],
 		prohibitedWords: [] as string[],
 	} as MiMeta;
-	let meta = metaInitial;
+	const meta = { ...metaInitial };
+
+	function updateMeta(newMeta: Partial<MiMeta>): void {
+		for (const key in meta) {
+			delete (meta as any)[key];
+		}
+		Object.assign(meta, newMeta);
+	}

 	beforeAll(async () => {
 		const app = await Test.createTestingModule({
@ -120,11 +126,8 @@ describe('ActivityPub', () => {
 					};
 				},
 			})
-			.overrideProvider(MetaService).useValue({
-				async fetch(): Promise<MiMeta> {
-					return meta;
-				},
-			}).compile();
+			.overrideProvider(DI.meta).useFactory({ factory: () => meta })
+			.compile();

 		await app.init();
 		app.enableShutdownHooks();
@ -367,7 +370,7 @@ describe('ActivityPub', () => {
 		});

 		test('cacheRemoteFiles=false disables caching', async () => {
-			meta = { ...metaInitial, cacheRemoteFiles: false };
+			updateMeta({ ...metaInitial, cacheRemoteFiles: false });

 			const imageObject: IApDocument = {
 				type: 'Document',
@ -396,7 +399,7 @@ describe('ActivityPub', () => {
 		});

 		test('cacheRemoteSensitiveFiles=false only affects sensitive files', async () => {
-			meta = { ...metaInitial, cacheRemoteSensitiveFiles: false };
+			updateMeta({ ...metaInitial, cacheRemoteSensitiveFiles: false });

 			const imageObject: IApDocument = {
 				type: 'Document',
--- a/packages/frontend-embed/package.json
+++ b/packages/frontend-embed/package.json
@ -11,16 +11,16 @@
 		"lint": "pnpm typecheck && pnpm eslint"
 	},
 	"dependencies": {
-		"@discordapp/twemoji": "15.0.3",
+		"@discordapp/twemoji": "15.1.0",
 		"@github/webauthn-json": "2.1.1",
 		"@rollup/plugin-json": "6.1.0",
 		"@rollup/plugin-replace": "5.0.7",
 		"@rollup/pluginutils": "5.1.0",
 		"@tabler/icons-webfont": "3.3.0",
 		"@twemoji/parser": "15.1.1",
-		"@vitejs/plugin-vue": "5.1.0",
-		"@vue/compiler-sfc": "3.4.37",
-		"astring": "1.8.6",
+		"@vitejs/plugin-vue": "5.1.4",
+		"@vue/compiler-sfc": "3.5.7",
+		"astring": "1.9.0",
 		"buraha": "0.0.1",
 		"compare-versions": "6.1.1",
 		"date-fns": "2.30.0",
@ -33,53 +33,53 @@
 		"misskey-js": "workspace:*",
 		"frontend-shared": "workspace:*",
 		"punycode": "2.3.1",
-		"rollup": "4.19.1",
+		"rollup": "4.22.2",
 		"sanitize-html": "2.13.0",
-		"sass": "1.77.8",
+		"sass": "1.79.3",
 		"shiki": "1.12.0",
 		"strict-event-emitter-types": "2.0.0",
 		"throttle-debounce": "5.0.2",
 		"tinycolor2": "1.6.0",
 		"tsc-alias": "1.8.10",
 		"tsconfig-paths": "4.2.0",
-		"typescript": "5.5.4",
+		"typescript": "5.6.2",
 		"uuid": "10.0.0",
 		"json5": "2.2.3",
-		"vite": "5.3.5",
-		"vue": "3.4.37"
+		"vite": "5.4.7",
+		"vue": "3.5.7"
 	},
 	"devDependencies": {
 		"@misskey-dev/summaly": "5.1.0",
 		"@testing-library/vue": "8.1.0",
 		"@types/escape-regexp": "0.0.3",
-		"@types/estree": "1.0.5",
+		"@types/estree": "1.0.6",
 		"@types/micromatch": "4.0.9",
 		"@types/node": "20.14.12",
 		"@types/punycode": "2.1.4",
-		"@types/sanitize-html": "2.11.0",
+		"@types/sanitize-html": "2.13.0",
 		"@types/throttle-debounce": "5.0.2",
 		"@types/tinycolor2": "1.4.6",
 		"@types/uuid": "10.0.0",
-		"@types/ws": "8.5.11",
+		"@types/ws": "8.5.12",
 		"@typescript-eslint/eslint-plugin": "7.17.0",
 		"@typescript-eslint/parser": "7.17.0",
 		"@vitest/coverage-v8": "1.6.0",
-		"@vue/runtime-core": "3.4.37",
+		"@vue/runtime-core": "3.5.7",
 		"acorn": "8.12.1",
 		"cross-env": "7.0.3",
-		"eslint-plugin-import": "2.29.1",
-		"eslint-plugin-vue": "9.27.0",
+		"eslint-plugin-import": "2.30.0",
+		"eslint-plugin-vue": "9.28.0",
 		"fast-glob": "3.3.2",
 		"happy-dom": "10.0.3",
 		"intersection-observer": "0.12.2",
-		"micromatch": "4.0.7",
+		"micromatch": "4.0.8",
 		"msw": "2.3.4",
-		"nodemon": "3.1.4",
+		"nodemon": "3.1.7",
 		"prettier": "3.3.3",
-		"start-server-and-test": "2.0.4",
+		"start-server-and-test": "2.0.8",
 		"vite-plugin-turbosnap": "1.0.3",
-		"vue-component-type-helpers": "2.0.29",
+		"vue-component-type-helpers": "2.1.6",
 		"vue-eslint-parser": "9.4.3",
-		"vue-tsc": "2.0.29"
+		"vue-tsc": "2.1.6"
 	}
 }
--- a/packages/frontend-embed/src/boot.ts
+++ b/packages/frontend-embed/src/boot.ts
@ -20,16 +20,19 @@ import { serverMetadata } from '@/server-metadata.js';
 import { url } from '@@/js/config.js';
 import { parseEmbedParams } from '@@/js/embed-page.js';
 import { postMessageToParentWindow, setIframeId } from '@/post-message.js';
+import { serverContext } from '@/server-context.js';

 import type { Theme } from '@/theme.js';

 console.log('Misskey Embed');

+//#region Embedパラメータの取得・パース
 const params = new URLSearchParams(location.search);
 const embedParams = parseEmbedParams(params);
-
 if (_DEV_) console.log(embedParams);
+//#endregion

+//#region テーマ
 function parseThemeOrNull(theme: string | null): Theme | null {
 	if (theme == null) return null;
 	try {
@ -65,6 +68,7 @@ if (embedParams.colorMode === 'dark') {
 		}
 	});
 }
+//#endregion

 // サイズの制限
 document.documentElement.style.maxWidth = '500px';
@ -89,6 +93,10 @@ const app = createApp(

 app.provide(DI.mediaProxy, new MediaProxy(serverMetadata, url));

+app.provide(DI.serverMetadata, serverMetadata);
+
+app.provide(DI.serverContext, serverContext);
+
 app.provide(DI.embedParams, embedParams);

 // https://github.com/misskey-dev/misskey/pull/8575#issuecomment-1114239210
--- a/packages/frontend-embed/src/components/EmNoteDetailed.vue
+++ b/packages/frontend-embed/src/components/EmNoteDetailed.vue
@ -142,8 +142,8 @@ import EmAcct from '@/components/EmAcct.vue';
 import { userPage } from '@/utils.js';
 import { notePage } from '@/utils.js';
 import { i18n } from '@/i18n.js';
+import { DI } from '@/di.js';
 import { shouldCollapsed } from '@@/js/collapsed.js';
-import { serverMetadata } from '@/server-metadata.js';
 import { url } from '@@/js/config.js';
 import EmMfm from '@/components/EmMfm.js';

@ -151,6 +151,8 @@ const props = defineProps<{
 	note: Misskey.entities.Note;
 }>();

+const serverMetadata = inject(DI.serverMetadata)!;
+
 const inChannel = inject('inChannel', null);

 const note = ref(props.note);
--- a/packages/frontend-embed/src/components/EmNotes.vue
+++ b/packages/frontend-embed/src/components/EmNotes.vue
@ -20,12 +20,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>

 <script lang="ts" setup>
-import { shallowRef } from 'vue';
+import { useTemplateRef } from 'vue';
 import EmNote from '@/components/EmNote.vue';
 import EmPagination, { Paging } from '@/components/EmPagination.vue';
 import { i18n } from '@/i18n.js';

-const props = withDefaults(defineProps<{
+withDefaults(defineProps<{
 	pagination: Paging;
 	noGap?: boolean;
 	disableAutoLoad?: boolean;
@ -34,7 +34,7 @@ const props = withDefaults(defineProps<{
 	ad: true,
 });

-const pagingComponent = shallowRef<InstanceType<typeof EmPagination>>();
+const pagingComponent = useTemplateRef('pagingComponent');

 defineExpose({
 	pagingComponent,
--- a/packages/frontend-embed/src/di.ts
+++ b/packages/frontend-embed/src/di.ts
@ -7,9 +7,11 @@ import type { InjectionKey } from 'vue';
 import * as Misskey from 'misskey-js';
 import { MediaProxy } from '@@/js/media-proxy.js';
 import type { ParsedEmbedParams } from '@@/js/embed-page.js';
+import type { ServerContext } from '@/server-context.js';

 export const DI = {
 	serverMetadata: Symbol() as InjectionKey<Misskey.entities.MetaDetailed>,
 	embedParams: Symbol() as InjectionKey<ParsedEmbedParams>,
+	serverContext: Symbol() as InjectionKey<ServerContext>,
 	mediaProxy: Symbol() as InjectionKey<MediaProxy>,
 };
--- a/packages/frontend-embed/src/pages/clip.vue
+++ b/packages/frontend-embed/src/pages/clip.vue
@ -5,8 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only

 <template>
 <div>
-	<EmLoading v-if="loading"/>
-	<EmTimelineContainer v-else-if="clip" :showHeader="embedParams.header">
+	<EmTimelineContainer v-if="clip" :showHeader="embedParams.header">
 		<template #header>
 			<div :class="$style.clipHeader">
 				<div :class="$style.headerClipIconRoot">
@ -39,20 +38,19 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>

 <script setup lang="ts">
-import { ref, computed, shallowRef, inject } from 'vue';
+import { ref, computed, inject, useTemplateRef } from 'vue';
 import * as Misskey from 'misskey-js';
 import { scrollToTop } from '@@/js/scroll.js';
+import { url, instanceName } from '@@/js/config.js';
+import { isLink } from '@@/js/is-link.js';
+import { defaultEmbedParams } from '@@/js/embed-page.js';
 import type { Paging } from '@/components/EmPagination.vue';
-import EmLoading from '@/components/EmLoading.vue';
 import EmNotes from '@/components/EmNotes.vue';
 import XNotFound from '@/pages/not-found.vue';
 import EmTimelineContainer from '@/components/EmTimelineContainer.vue';
 import { misskeyApi } from '@/misskey-api.js';
 import { i18n } from '@/i18n.js';
-import { serverMetadata } from '@/server-metadata.js';
-import { url, instanceName } from '@@/js/config.js';
-import { isLink } from '@@/js/is-link.js';
-import { defaultEmbedParams } from '@@/js/embed-page.js';
+import { assertServerContext } from '@/server-context.js';
 import { DI } from '@/di.js';

 const props = defineProps<{
@ -61,16 +59,30 @@ const props = defineProps<{

 const embedParams = inject(DI.embedParams, defaultEmbedParams);

-const clip = ref<Misskey.entities.Clip | null>(null);
+const serverMetadata = inject(DI.serverMetadata)!;
+
+const serverContext = inject(DI.serverContext)!;
+
+const clip = ref<Misskey.entities.Clip | null>();
+
+if (assertServerContext(serverContext, 'clip')) {
+	clip.value = serverContext.clip;
+} else {
+	clip.value = await misskeyApi('clips/show', {
+		clipId: props.clipId,
+	}).catch(() => {
+		return null;
+	});
+}
+
 const pagination = computed(() => ({
 	endpoint: 'clips/notes',
 	params: {
 		clipId: props.clipId,
 	},
 } as Paging));
-const loading = ref(true);

-const notesEl = shallowRef<InstanceType<typeof EmNotes> | null>(null);
+const notesEl = useTemplateRef('notesEl');

 function top(ev: MouseEvent) {
 	const target = ev.target as HTMLElement | null;
@ -80,16 +92,6 @@ function top(ev: MouseEvent) {
 		scrollToTop(notesEl.value.$el as HTMLElement, { behavior: 'smooth' });
 	}
 }
-
-misskeyApi('clips/show', {
-	clipId: props.clipId,
-}).then(res => {
-	clip.value = res;
-	loading.value = false;
-}).catch(err => {
-	console.error(err);
-	loading.value = false;
-});
 </script>

 <style lang="scss" module>
--- a/packages/frontend-embed/src/pages/note.vue
+++ b/packages/frontend-embed/src/pages/note.vue
@ -5,40 +5,37 @@ SPDX-License-Identifier: AGPL-3.0-only

 <template>
 <div :class="$style.noteEmbedRoot">
-	<EmLoading v-if="loading"/>
-	<EmNoteDetailed v-else-if="note" :note="note"/>
+	<EmNoteDetailed v-if="note" :note="note"/>
 	<XNotFound v-else/>
 </div>
 </template>

 <script setup lang="ts">
-import { ref } from 'vue';
+import { inject, ref } from 'vue';
 import * as Misskey from 'misskey-js';
 import EmNoteDetailed from '@/components/EmNoteDetailed.vue';
-import EmLoading from '@/components/EmLoading.vue';
 import XNotFound from '@/pages/not-found.vue';
+import { DI } from '@/di.js';
 import { misskeyApi } from '@/misskey-api.js';
+import { assertServerContext } from '@/server-context';

 const props = defineProps<{
 	noteId: string;
 }>();

-const note = ref<Misskey.entities.Note | null>(null);
-const loading = ref(true);
+const serverContext = inject(DI.serverContext)!;

-// TODO: クライアント側でAPIを叩くのは二度手間なので予めHTMLに埋め込んでおく
-misskeyApi('notes/show', {
-	noteId: props.noteId,
-}).then(res => {
-	// リモートのノートは埋め込ませない
-	if (res.url == null && res.uri == null) {
-		note.value = res;
-	}
-	loading.value = false;
-}).catch(err => {
-	console.error(err);
-	loading.value = false;
-});
+const note = ref<Misskey.entities.Note | null>(null);
+
+if (assertServerContext(serverContext, 'note')) {
+	note.value = serverContext.note;
+} else {
+	note.value = await misskeyApi('notes/show', {
+		noteId: props.noteId,
+	}).catch(() => {
+		return null;
+	});
+}
 </script>

 <style lang="scss" module>
--- a/packages/frontend-embed/src/pages/tag.vue
+++ b/packages/frontend-embed/src/pages/tag.vue
@ -38,14 +38,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>

 <script setup lang="ts">
-import { computed, shallowRef, inject } from 'vue';
+import { computed, inject, useTemplateRef } from 'vue';
 import { scrollToTop } from '@@/js/scroll.js';
 import type { Paging } from '@/components/EmPagination.vue';
 import EmNotes from '@/components/EmNotes.vue';
 import XNotFound from '@/pages/not-found.vue';
 import EmTimelineContainer from '@/components/EmTimelineContainer.vue';
 import { i18n } from '@/i18n.js';
-import { serverMetadata } from '@/server-metadata.js';
 import { url, instanceName } from '@@/js/config.js';
 import { isLink } from '@@/js/is-link.js';
 import { DI } from '@/di.js';
@ -55,6 +54,8 @@ const props = defineProps<{
 	tag: string;
 }>();

+const serverMetadata = inject(DI.serverMetadata)!;
+
 const embedParams = inject(DI.embedParams, defaultEmbedParams);

 const pagination = computed(() => ({
@ -64,7 +65,7 @@ const pagination = computed(() => ({
 	},
 } as Paging));

-const notesEl = shallowRef<InstanceType<typeof EmNotes> | null>(null);
+const notesEl = useTemplateRef('notesEl');

 function top(ev: MouseEvent) {
 	const target = ev.target as HTMLElement | null;
--- a/packages/frontend-embed/src/pages/user-timeline.vue
+++ b/packages/frontend-embed/src/pages/user-timeline.vue
@ -5,8 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only

 <template>
 <div>
-	<EmLoading v-if="loading"/>
-	<EmTimelineContainer v-else-if="user" :showHeader="embedParams.header">
+	<EmTimelineContainer v-if="user && !prohibited" :showHeader="embedParams.header">
 		<template #header>
 			<div :class="$style.userHeader">
 				<a :href="`/@${user.username}`" target="_blank" rel="noopener noreferrer" :class="$style.avatarLink">
@ -46,21 +45,20 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>

 <script setup lang="ts">
-import { ref, computed, shallowRef, inject } from 'vue';
+import { ref, computed, inject, useTemplateRef } from 'vue';
 import * as Misskey from 'misskey-js';
+import { url, instanceName } from '@@/js/config.js';
+import { defaultEmbedParams } from '@@/js/embed-page.js';
 import type { Paging } from '@/components/EmPagination.vue';
 import EmNotes from '@/components/EmNotes.vue';
 import EmAvatar from '@/components/EmAvatar.vue';
-import EmLoading from '@/components/EmLoading.vue';
 import EmUserName from '@/components/EmUserName.vue';
 import I18n from '@/components/I18n.vue';
 import XNotFound from '@/pages/not-found.vue';
 import EmTimelineContainer from '@/components/EmTimelineContainer.vue';
 import { misskeyApi } from '@/misskey-api.js';
 import { i18n } from '@/i18n.js';
-import { serverMetadata } from '@/server-metadata.js';
-import { url, instanceName } from '@@/js/config.js';
-import { defaultEmbedParams } from '@@/js/embed-page.js';
+import { assertServerContext } from '@/server-context.js';
 import { DI } from '@/di.js';

 const props = defineProps<{
@ -69,26 +67,37 @@ const props = defineProps<{

 const embedParams = inject(DI.embedParams, defaultEmbedParams);

-const user = ref<Misskey.entities.UserLite | null>(null);
+const serverMetadata = inject(DI.serverMetadata)!;
+
+const serverContext = inject(DI.serverContext)!;
+
+const user = ref<Misskey.entities.UserLite | null>();
+
+const prohibited = ref(false);
+
+if (assertServerContext(serverContext, 'user')) {
+	user.value = serverContext.user;
+} else {
+	user.value = await misskeyApi('users/show', {
+		userId: props.userId,
+	}).catch(() => {
+		return null;
+	});
+}
+
+if (user.value?.host != null) {
+	// リモートサーバーのユーザーは弾く
+	prohibited.value = true;
+}
+
 const pagination = computed(() => ({
 	endpoint: 'users/notes',
 	params: {
 		userId: user.value?.id,
 	},
 } as Paging));
-const loading = ref(true);

-const notesEl = shallowRef<InstanceType<typeof EmNotes> | null>(null);
-
-misskeyApi('users/show', {
-	userId: props.userId,
-}).then(res => {
-	user.value = res;
-	loading.value = false;
-}).catch(err => {
-	console.error(err);
-	loading.value = false;
-});
+const notesEl = useTemplateRef('notesEl');
 </script>

 <style lang="scss" module>
--- a/packages/frontend-embed/src/server-context.ts
+++ b/packages/frontend-embed/src/server-context.ts
@ -0,0 +1,21 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import * as Misskey from 'misskey-js';
+
+const providedContextEl = document.getElementById('misskey_embedCtx');
+
+export type ServerContext = {
+	clip?: Misskey.entities.Clip;
+	note?: Misskey.entities.Note;
+	user?: Misskey.entities.UserLite;
+} | null;
+
+// NOTE: devモードのときしか embedCtx が null になることは無い
+export const serverContext: ServerContext = (providedContextEl && providedContextEl.textContent) ? JSON.parse(providedContextEl.textContent) : null;
+
+export function assertServerContext<K extends keyof NonNullable<ServerContext>>(ctx: ServerContext, entity: K): ctx is Required<Pick<NonNullable<ServerContext>, K>> {
+	if (ctx == null) return false;
+	return entity in ctx;
+}
--- a/packages/frontend-embed/src/ui.vue
+++ b/packages/frontend-embed/src/ui.vue
@ -18,11 +18,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<div
 		:class="$style.routerViewContainer"
 	>
-		<EmNotePage v-if="page === 'notes'" :noteId="contentId"/>
-		<EmUserTimelinePage v-else-if="page === 'user-timeline'" :userId="contentId"/>
-		<EmClipPage v-else-if="page === 'clips'" :clipId="contentId"/>
-		<EmTagPage v-else-if="page === 'tags'" :tag="contentId"/>
-		<XNotFound v-else/>
+		<Suspense :timeout="0">
+			<EmNotePage v-if="page === 'notes'" :noteId="contentId"/>
+			<EmUserTimelinePage v-else-if="page === 'user-timeline'" :userId="contentId"/>
+			<EmClipPage v-else-if="page === 'clips'" :clipId="contentId"/>
+			<EmTagPage v-else-if="page === 'tags'" :tag="contentId"/>
+			<XNotFound v-else/>
+			<template #fallback>
+				<EmLoading/>
+			</template>
+		</Suspense>
 	</div>
 </div>
 </template>
@ -37,6 +42,7 @@ import EmUserTimelinePage from '@/pages/user-timeline.vue';
 import EmClipPage from '@/pages/clip.vue';
 import EmTagPage from '@/pages/tag.vue';
 import XNotFound from '@/pages/not-found.vue';
+import EmLoading from '@/components/EmLoading.vue';

 const page = location.pathname.split('/')[2];
 const contentId = location.pathname.split('/')[3];
--- a/packages/frontend-shared/js/scroll.ts
+++ b/packages/frontend-shared/js/scroll.ts
@ -36,19 +36,27 @@ export function getScrollPosition(el: HTMLElement | null): number {
 	return container == null ? window.scrollY : container.scrollTop;
 }

-export function onScrollTop(el: HTMLElement, cb: () => unknown, tolerance = 1, once = false) {
+export function onScrollTop(el: HTMLElement, cb: (topVisible: boolean) => unknown, tolerance = 1, once = false) {
 	// とりあえず評価してみる
-	if (el.isConnected && isTopVisible(el)) {
-		cb();
+	const firstTopVisible = isTopVisible(el);
+	if (el.isConnected && firstTopVisible) {
+		cb(firstTopVisible);
 		if (once) return null;
 	}

 	const container = getScrollContainer(el) ?? window;

+	// 以下のケースにおいて、cbが何度も呼び出されてしまって具合が悪いので1回呼んだら以降は無視するようにする
+	// - スクロールイベントは1回のスクロールで複数回発生することがある
+	// - toleranceの範囲内に収まる程度の微量なスクロールが発生した
+	let prevTopVisible = firstTopVisible;
 	const onScroll = () => {
 		if (!document.body.contains(el)) return;
-		if (isTopVisible(el, tolerance)) {
-			cb();
+
+		const topVisible = isTopVisible(el, tolerance);
+		if (topVisible !== prevTopVisible) {
+			prevTopVisible = topVisible;
+			cb(topVisible);
 			if (once) removeListener();
 		}
 	};
@ -126,6 +134,7 @@ export function scrollToBottom(

 export function isTopVisible(el: HTMLElement, tolerance = 1): boolean {
 	const scrollTop = getScrollPosition(el);
+	if (_DEV_) console.log(scrollTop, tolerance, scrollTop <= tolerance);
 	return scrollTop <= tolerance;
 }

--- a/packages/frontend-shared/themes/_dark.json5
+++ b/packages/frontend-shared/themes/_dark.json5
@ -53,11 +53,13 @@
 		infoFg: '#fff',
 		infoWarnBg: '#42321c',
 		infoWarnFg: '#ffbd3e',
-		switchBg: 'rgba(255, 255, 255, 0.15)',
-		buttonBg: 'rgba(255, 255, 255, 0.05)',
-		buttonHoverBg: 'rgba(255, 255, 255, 0.1)',
+		folderHeaderBg: 'rgba(255, 255, 255, 0.05)',
+		folderHeaderHoverBg: 'rgba(255, 255, 255, 0.1)',
+		buttonBg: ':lighten<5<@panel',
+		buttonHoverBg: ':lighten<10<@panel',
 		buttonGradateA: '@accent',
 		buttonGradateB: ':hue<20<@accent',
+		switchBg: 'rgba(255, 255, 255, 0.15)',
 		switchOffBg: 'rgba(255, 255, 255, 0.1)',
 		switchOffFg: ':alpha<0.8<@fg',
 		switchOnBg: '@accentedBg',
--- a/packages/frontend-shared/themes/_light.json5
+++ b/packages/frontend-shared/themes/_light.json5
@ -53,11 +53,13 @@
 		infoFg: '#72818a',
 		infoWarnBg: '#fff0db',
 		infoWarnFg: '#8f6e31',
-		switchBg: 'rgba(0, 0, 0, 0.15)',
-		buttonBg: 'rgba(0, 0, 0, 0.05)',
-		buttonHoverBg: 'rgba(0, 0, 0, 0.1)',
+		folderHeaderBg: 'rgba(0, 0, 0, 0.05)',
+		folderHeaderHoverBg: 'rgba(0, 0, 0, 0.1)',
+		buttonBg: ':darken<5<@panel',
+		buttonHoverBg: ':darken<10<@panel',
 		buttonGradateA: '@accent',
 		buttonGradateB: ':hue<20<@accent',
+		switchBg: 'rgba(0, 0, 0, 0.15)',
 		switchOffBg: 'rgba(0, 0, 0, 0.1)',
 		switchOffFg: '@panel',
 		switchOnBg: '@accent',
--- a/packages/frontend-shared/themes/d-astro.json5
+++ b/packages/frontend-shared/themes/d-astro.json5
@ -25,7 +25,6 @@
 		mention: '#ffd152',
 		modalBg: 'rgba(0, 0, 0, 0.5)',
 		success: '#86b300',
-		buttonBg: 'rgba(255, 255, 255, 0.05)',
 		acrylicBg: ':alpha<0.5<@bg',
 		indicator: '@accent',
 		mentionMe: '#fb5d38',
@ -42,7 +41,6 @@
 		acrylicPanel: ':alpha<0.5<@panel',
 		navIndicator: '@accent',
 		accentLighten: ':lighten<10<@accent',
-		buttonHoverBg: 'rgba(255, 255, 255, 0.1)',
 		buttonGradateA: '@accent',
 		buttonGradateB: ':hue<-20<@accent',
 		driveFolderBg: ':alpha<0.3<@accent',
--- a/packages/frontend-shared/themes/d-u0.json5
+++ b/packages/frontend-shared/themes/d-u0.json5
@ -38,7 +38,6 @@
 		mention: '@accent',
 		modalBg: 'rgba(0, 0, 0, 0.5)',
 		success: '#86b300',
-		buttonBg: 'rgba(255, 255, 255, 0.05)',
 		switchBg: 'rgba(255, 255, 255, 0.15)',
 		acrylicBg: ':alpha<0.5<@bg',
 		indicator: '@accent',
@ -61,7 +60,6 @@
 		acrylicPanel: ':alpha<0.5<@panel',
 		navIndicator: '@indicator',
 		accentLighten: ':lighten<10<@accent',
-		buttonHoverBg: 'rgba(255, 255, 255, 0.1)',
 		driveFolderBg: ':alpha<0.3<@accent',
 		fgHighlighted: ':lighten<3<@fg',
 		fgTransparent: ':alpha<0.5<@fg',
--- a/packages/frontend-shared/themes/l-vivid.json5
+++ b/packages/frontend-shared/themes/l-vivid.json5
@ -28,7 +28,6 @@
 		mention: '@accent',
 		modalBg: 'rgba(0, 0, 0, 0.3)',
 		success: '#86b300',
-		buttonBg: 'rgba(0, 0, 0, 0.05)',
 		acrylicBg: ':alpha<0.5<@bg',
 		indicator: '@accent',
 		mentionMe: '@mention',
@ -45,7 +44,6 @@
 		acrylicPanel: ':alpha<0.5<@panel',
 		navIndicator: '@accent',
 		accentLighten: ':lighten<10<@accent',
-		buttonHoverBg: 'rgba(0, 0, 0, 0.1)',
 		driveFolderBg: ':alpha<0.3<@accent',
 		fgHighlighted: ':darken<3<@fg',
 		fgTransparent: ':alpha<0.5<@fg',
--- a/packages/frontend/.storybook/generate.tsx
+++ b/packages/frontend/.storybook/generate.tsx
@ -405,8 +405,9 @@ function toStories(component: string): Promise<string> {
 		glob('src/components/MkUserSetupDialog.*.vue'),
 		glob('src/components/MkInstanceCardMini.vue'),
 		glob('src/components/MkInviteCode.vue'),
-		glob('src/pages/search.vue'),
+		glob('src/pages/admin/overview.ap-requests.vue'),
 		glob('src/pages/user/home.vue'),
+		glob('src/pages/search.vue'),
 	]);
 	const components = globs.flat();
 	await Promise.all(components.map(async (component) => {
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@ -17,7 +17,7 @@
 		"lint": "pnpm typecheck && pnpm eslint"
 	},
 	"dependencies": {
-		"@discordapp/twemoji": "15.0.3",
+		"@discordapp/twemoji": "15.1.0",
 		"@github/webauthn-json": "2.1.1",
 		"@mcaptcha/vanilla-glue": "0.1.0-alpha-3",
 		"@misskey-dev/browser-image-resizer": "2024.1.0",
@ -27,21 +27,21 @@
 		"@syuilo/aiscript": "0.19.0",
 		"@tabler/icons-webfont": "3.3.0",
 		"@twemoji/parser": "15.1.1",
-		"@vitejs/plugin-vue": "5.1.0",
-		"@vue/compiler-sfc": "3.4.37",
+		"@vitejs/plugin-vue": "5.1.4",
+		"@vue/compiler-sfc": "3.5.7",
 		"aiscript-vscode": "github:aiscript-dev/aiscript-vscode#v0.1.11",
-		"astring": "1.8.6",
+		"astring": "1.9.0",
 		"broadcast-channel": "7.0.0",
 		"buraha": "0.0.1",
 		"canvas-confetti": "1.9.3",
-		"chart.js": "4.4.3",
+		"chart.js": "4.4.4",
 		"chartjs-adapter-date-fns": "3.0.0",
 		"chartjs-chart-matrix": "2.0.1",
 		"chartjs-plugin-gradient": "0.6.1",
 		"chartjs-plugin-zoom": "2.0.1",
-		"chromatic": "11.5.6",
+		"chromatic": "11.10.2",
 		"compare-versions": "6.1.1",
-		"cropperjs": "2.0.0-rc.1",
+		"cropperjs": "2.0.0-rc.2",
 		"date-fns": "2.30.0",
 		"escape-regexp": "0.0.1",
 		"estree-walker": "3.0.3",
@ -58,85 +58,85 @@
 		"frontend-shared": "workspace:*",
 		"photoswipe": "5.4.4",
 		"punycode": "2.3.1",
-		"rollup": "4.19.1",
+		"rollup": "4.22.2",
 		"sanitize-html": "2.13.0",
-		"sass": "1.77.8",
+		"sass": "1.79.3",
 		"shiki": "1.12.0",
 		"strict-event-emitter-types": "2.0.0",
 		"textarea-caret": "3.1.0",
-		"three": "0.167.0",
+		"three": "0.168.0",
 		"throttle-debounce": "5.0.2",
 		"tinycolor2": "1.6.0",
 		"tsc-alias": "1.8.10",
 		"tsconfig-paths": "4.2.0",
-		"typescript": "5.5.4",
+		"typescript": "5.6.2",
 		"uuid": "10.0.0",
-		"v-code-diff": "1.12.0",
-		"vite": "5.3.5",
-		"vue": "3.4.37",
+		"v-code-diff": "1.13.1",
+		"vite": "5.4.7",
+		"vue": "3.5.7",
 		"vuedraggable": "next"
 	},
 	"devDependencies": {
 		"@misskey-dev/summaly": "5.1.0",
-		"@storybook/addon-actions": "8.2.6",
-		"@storybook/addon-essentials": "8.2.6",
-		"@storybook/addon-interactions": "8.2.6",
-		"@storybook/addon-links": "8.2.6",
-		"@storybook/addon-mdx-gfm": "8.2.6",
-		"@storybook/addon-storysource": "8.2.6",
-		"@storybook/blocks": "8.2.6",
-		"@storybook/components": "8.2.6",
-		"@storybook/core-events": "8.2.6",
-		"@storybook/manager-api": "8.2.6",
-		"@storybook/preview-api": "8.2.6",
-		"@storybook/react": "8.2.6",
-		"@storybook/react-vite": "8.2.6",
-		"@storybook/test": "8.2.6",
-		"@storybook/theming": "8.2.6",
-		"@storybook/types": "8.2.6",
-		"@storybook/vue3": "8.2.6",
-		"@storybook/vue3-vite": "8.1.11",
+		"@storybook/addon-actions": "8.3.2",
+		"@storybook/addon-essentials": "8.3.2",
+		"@storybook/addon-interactions": "8.3.2",
+		"@storybook/addon-links": "8.3.2",
+		"@storybook/addon-mdx-gfm": "8.3.2",
+		"@storybook/addon-storysource": "8.3.2",
+		"@storybook/blocks": "8.3.2",
+		"@storybook/components": "8.3.2",
+		"@storybook/core-events": "8.3.2",
+		"@storybook/manager-api": "8.3.2",
+		"@storybook/preview-api": "8.3.2",
+		"@storybook/react": "8.3.2",
+		"@storybook/react-vite": "8.3.2",
+		"@storybook/test": "8.3.2",
+		"@storybook/theming": "8.3.2",
+		"@storybook/types": "8.3.2",
+		"@storybook/vue3": "8.3.2",
+		"@storybook/vue3-vite": "8.3.2",
 		"@testing-library/vue": "8.1.0",
 		"@types/escape-regexp": "0.0.3",
-		"@types/estree": "1.0.5",
+		"@types/estree": "1.0.6",
 		"@types/matter-js": "0.19.7",
 		"@types/micromatch": "4.0.9",
 		"@types/node": "20.14.12",
 		"@types/punycode": "2.1.4",
-		"@types/sanitize-html": "2.11.0",
+		"@types/sanitize-html": "2.13.0",
 		"@types/seedrandom": "3.0.8",
 		"@types/throttle-debounce": "5.0.2",
 		"@types/tinycolor2": "1.4.6",
 		"@types/uuid": "10.0.0",
-		"@types/ws": "8.5.11",
+		"@types/ws": "8.5.12",
 		"@typescript-eslint/eslint-plugin": "7.17.0",
 		"@typescript-eslint/parser": "7.17.0",
 		"@vitest/coverage-v8": "1.6.0",
-		"@vue/runtime-core": "3.4.37",
+		"@vue/runtime-core": "3.5.7",
 		"acorn": "8.12.1",
 		"cross-env": "7.0.3",
-		"cypress": "13.13.1",
-		"eslint-plugin-import": "2.29.1",
-		"eslint-plugin-vue": "9.27.0",
+		"cypress": "13.14.2",
+		"eslint-plugin-import": "2.30.0",
+		"eslint-plugin-vue": "9.28.0",
 		"fast-glob": "3.3.2",
 		"happy-dom": "10.0.3",
 		"intersection-observer": "0.12.2",
-		"micromatch": "4.0.7",
-		"msw": "2.3.4",
+		"micromatch": "4.0.8",
+		"msw": "2.4.9",
 		"msw-storybook-addon": "2.0.3",
-		"nodemon": "3.1.4",
+		"nodemon": "3.1.7",
 		"prettier": "3.3.3",
 		"react": "18.3.1",
 		"react-dom": "18.3.1",
 		"seedrandom": "3.0.5",
-		"start-server-and-test": "2.0.4",
-		"storybook": "8.2.6",
+		"start-server-and-test": "2.0.8",
+		"storybook": "8.3.2",
 		"storybook-addon-misskey-theme": "github:misskey-dev/storybook-addon-misskey-theme",
 		"vite-plugin-turbosnap": "1.0.3",
 		"vitest": "1.6.0",
 		"vitest-fetch-mock": "0.2.2",
-		"vue-component-type-helpers": "2.0.29",
+		"vue-component-type-helpers": "2.1.6",
 		"vue-eslint-parser": "9.4.3",
-		"vue-tsc": "2.0.29"
+		"vue-tsc": "2.1.6"
 	}
 }
--- a/packages/frontend/src/account.ts
+++ b/packages/frontend/src/account.ts
@ -8,7 +8,7 @@ import * as Misskey from 'misskey-js';
 import { showSuspendedDialog } from '@/scripts/show-suspended-dialog.js';
 import { i18n } from '@/i18n.js';
 import { miLocalStorage } from '@/local-storage.js';
-import { MenuButton } from '@/types/menu.js';
+import type { MenuItem, MenuButton } from '@/types/menu.js';
 import { del, get, set } from '@/scripts/idb-proxy.js';
 import { apiUrl } from '@@/js/config.js';
 import { waiting, popup, popupMenu, success, alert } from '@/os.js';
@ -288,14 +288,26 @@ export async function openAccountMenu(opts: {
 		});
 	}));

+	const menuItems: MenuItem[] = [];
+
 	if (opts.withExtraOperation) {
-		popupMenu([...[{
-			type: 'link' as const,
+		menuItems.push({
+			type: 'link',
 			text: i18n.ts.profile,
-			to: `/@${ $i.username }`,
+			to: `/@${$i.username}`,
 			avatar: $i,
-		}, { type: 'divider' as const }, ...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises, {
-			type: 'parent' as const,
+		}, {
+			type: 'divider',
+		});
+
+		if (opts.includeCurrentAccount) {
+			menuItems.push(createItem($i));
+		}
+
+		menuItems.push(...accountItemPromises);
+
+		menuItems.push({
+			type: 'parent',
 			icon: 'ti ti-plus',
 			text: i18n.ts.addAccount,
 			children: [{
@ -306,18 +318,22 @@ export async function openAccountMenu(opts: {
 				action: () => { createAccount(); },
 			}],
 		}, {
-			type: 'link' as const,
+			type: 'link',
 			icon: 'ti ti-users',
 			text: i18n.ts.manageAccounts,
 			to: '/settings/accounts',
-		}]], ev.currentTarget ?? ev.target, {
-			align: 'left',
 		});
 	} else {
-		popupMenu([...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises], ev.currentTarget ?? ev.target, {
-			align: 'left',
-		});
+		if (opts.includeCurrentAccount) {
+			menuItems.push(createItem($i));
+		}
+
+		menuItems.push(...accountItemPromises);
 	}
+
+	popupMenu(menuItems, ev.currentTarget ?? ev.target, {
+		align: 'left',
+	});
 }

 if (_DEV_) {
--- a/packages/frontend/src/components/MkButton.vue
+++ b/packages/frontend/src/components/MkButton.vue
@ -246,7 +246,7 @@ function onMousedown(evt: MouseEvent): void {
 	}

 	&:disabled {
-		opacity: 0.7;
+		opacity: 0.5;
 	}

 	&:focus-visible {
--- a/packages/frontend/src/components/MkContextMenu.vue
+++ b/packages/frontend/src/components/MkContextMenu.vue
@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { onMounted, onBeforeUnmount, shallowRef, ref } from 'vue';
 import MkMenu from './MkMenu.vue';
-import { MenuItem } from '@/types/menu.js';
+import type { MenuItem } from '@/types/menu.js';
 import contains from '@/scripts/contains.js';
 import { defaultStore } from '@/store.js';
 import * as os from '@/os.js';
--- a/packages/frontend/src/components/MkDrive.folder.vue
+++ b/packages/frontend/src/components/MkDrive.folder.vue
@ -42,7 +42,7 @@ import { i18n } from '@/i18n.js';
 import { defaultStore } from '@/store.js';
 import { claimAchievement } from '@/scripts/achievements.js';
 import { copyToClipboard } from '@/scripts/copy-to-clipboard.js';
-import { MenuItem } from '@/types/menu.js';
+import type { MenuItem } from '@/types/menu.js';

 const props = withDefaults(defineProps<{
 	folder: Misskey.entities.DriveFolder;
--- a/Show More
+++ b/Show More
				`@ -0,0 +1 @@`
				`使われなくなったけど消すのは勿体ない(将来使えるかもしれない)コードを入れておくとこ`