diff --git a/CHANGELOG.md b/CHANGELOG.md
index d449cce159..21b6f70e08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,13 +1,22 @@
-## 2025.5.0
-
-### Note
-- DockerのNode.jsが22.15.0に更新されました
+## Unreleased
 
 ### General
 -
 
 ### Client
-- Feat: マウスでもタイムラインを引っ張って更新できるように
+-
+
+### Server
+-
+
+
+## 2025.5.0
+
+### Note
+- DockerのNode.jsが22.15.0に更新されました
+
+### Client
+- Feat: マウスで中ボタンドラッグによりタイムラインを引っ張って更新できるように
   - アクセシビリティ設定からオフにすることもできます
 - Enhance: タイムラインのパフォーマンスを向上
 - Enhance: バックアップされた設定のプロファイルを削除できるように
diff --git a/assets/ui-icons.afdesign b/assets/ui-icons.afdesign
index 79350f51d9..39abf1dd4f 100644
Binary files a/assets/ui-icons.afdesign and b/assets/ui-icons.afdesign differ
diff --git a/package.json b/package.json
index 2f3d77b319..ff08cbe97b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "2025.5.0-rc.0",
+	"version": "2025.5.0",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/frontend/src/components/MkDialog.vue b/packages/frontend/src/components/MkDialog.vue
index 81d508c161..3f7519a43f 100644
--- a/packages/frontend/src/components/MkDialog.vue
+++ b/packages/frontend/src/components/MkDialog.vue
@@ -11,18 +11,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 		<div
 			v-else-if="!input && !select"
-			:class="[$style.icon, {
-				[$style.type_success]: type === 'success',
-				[$style.type_error]: type === 'error',
-				[$style.type_warning]: type === 'warning',
-				[$style.type_info]: type === 'info',
-			}]"
+			:class="[$style.icon]"
 		>
-			<i v-if="type === 'success'" :class="$style.iconInner" class="ti ti-check"></i>
-			<i v-else-if="type === 'error'" :class="$style.iconInner" class="ti ti-circle-x"></i>
-			<i v-else-if="type === 'warning'" :class="$style.iconInner" class="ti ti-alert-triangle"></i>
-			<i v-else-if="type === 'info'" :class="$style.iconInner" class="ti ti-info-circle"></i>
-			<i v-else-if="type === 'question'" :class="$style.iconInner" class="ti ti-help-circle"></i>
+			<MkSystemIcon v-if="type === 'success'" :class="$style.iconInner" style="width: 45px;" type="success"/>
+			<MkSystemIcon v-else-if="type === 'error'" :class="$style.iconInner" style="width: 45px;" type="error"/>
+			<MkSystemIcon v-else-if="type === 'warning'" :class="$style.iconInner" style="width: 45px;" type="warn"/>
+			<MkSystemIcon v-else-if="type === 'info'" :class="$style.iconInner" style="width: 45px;" type="info"/>
+			<MkSystemIcon v-else-if="type === 'question'" :class="$style.iconInner" style="width: 45px;" type="question"/>
 			<MkLoading v-else-if="type === 'waiting'" :class="$style.iconInner" :em="true"/>
 		</div>
 		<header v-if="title" :class="$style.title" class="_selectable"><Mfm :text="title"/></header>
@@ -202,22 +197,6 @@ function onInputKeydown(evt: KeyboardEvent) {
 	margin: 0 auto;
 }
 
-.type_info {
-	color: #55c4dd;
-}
-
-.type_success {
-	color: var(--MI_THEME-success);
-}
-
-.type_error {
-	color: var(--MI_THEME-error);
-}
-
-.type_warning {
-	color: var(--MI_THEME-warn);
-}
-
 .title {
 	margin: 0 0 8px 0;
 	font-weight: bold;
diff --git a/packages/frontend/src/components/global/MkResult.vue b/packages/frontend/src/components/global/MkResult.vue
index bddc89809b..fdfc7091e8 100644
--- a/packages/frontend/src/components/global/MkResult.vue
+++ b/packages/frontend/src/components/global/MkResult.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <Transition :name="prefer.s.animation ? '_transition_zoom' : ''" appear>
-	<div :class="[$style.root, { [$style.warn]: type === 'notFound', [$style.error]: type === 'error' }]" class="_gaps_m">
+	<div :class="[$style.root, { [$style.warn]: type === 'notFound', [$style.error]: type === 'error' }]" class="_gaps">
 		<img v-if="type === 'empty' && instance.infoImageUrl" :src="instance.infoImageUrl" draggable="false" :class="$style.img"/>
 		<MkSystemIcon v-else-if="type === 'empty'" type="info" :class="$style.icon"/>
 		<img v-if="type === 'notFound' && instance.notFoundImageUrl" :src="instance.notFoundImageUrl" draggable="false" :class="$style.img"/>
@@ -46,8 +46,8 @@ const props = defineProps<{
 }
 
 .icon {
-	width: 50px;
-	height: 50px;
+	width: 65px;
+	height: 65px;
 	margin: 0 auto;
 }
 </style>
diff --git a/packages/frontend/src/components/global/MkSystemIcon.vue b/packages/frontend/src/components/global/MkSystemIcon.vue
index 20ce524e6d..66592da9c8 100644
--- a/packages/frontend/src/components/global/MkSystemIcon.vue
+++ b/packages/frontend/src/components/global/MkSystemIcon.vue
@@ -4,20 +4,29 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<svg v-if="type === 'info'" :class="[$style.icon, $style.info]" viewBox="0 0 128 128">
-	<path d="M64,92L64,56" style="--l:40;" :class="[$style.line, $style.anim]"/>
-	<circle cx="64" cy="36" r="4" :class="[$style.fill]"/>
-	<circle cx="64" cy="64" r="56" style="--l:400;" :class="[$style.line, $style.anim]"/>
+<svg v-if="type === 'info'" :class="[$style.icon, $style.info]" viewBox="0 0 160 160">
+	<path d="M80,108L80,72" style="--l:37;" :class="[$style.line, $style.animLine]"/>
+	<path d="M80,52L80,52" :class="[$style.line, $style.animFade]"/>
+	<circle cx="80" cy="80" r="56" style="--l:350;" :class="[$style.line, $style.animCircle]"/>
 </svg>
-<svg v-else-if="type === 'question'" :class="[$style.icon, $style.question]" viewBox="0 0 128 128">
-	<path d="M63.991,76L64,68C73.333,68 80,60.333 80,52C80,43.667 73.336,36 64,36C54.664,36 47.983,43.664 47.983,52" style="--l:85;" :class="[$style.line, $style.anim]"/>
-	<circle cx="64" cy="92" r="4" :class="[$style.fill]"/>
-	<circle cx="64" cy="64" r="56" style="--l:400;" :class="[$style.line, $style.anim]"/>
+<svg v-else-if="type === 'question'" :class="[$style.icon, $style.question]" viewBox="0 0 160 160">
+	<path d="M80,92L79.991,84C88.799,83.98 96,76.962 96,68C96,59.038 88.953,52 79.991,52C71.03,52 64,59.038 64,68" style="--l:85;" :class="[$style.line, $style.animLine]"/>
+	<path d="M80,108L80,108" :class="[$style.line, $style.animFade]"/>
+	<circle cx="80" cy="80" r="56" style="--l:350;" :class="[$style.line, $style.animCircle]"/>
 </svg>
-<svg v-else-if="type === 'error'" :class="[$style.icon, $style.error]" viewBox="0 0 128 128">
-	<path d="M47.029,47.029L80.971,80.971" style="--l:55;--duration:0.3s;" :class="[$style.line, $style.anim]"/>
-	<path d="M80.971,47.029L47.029,80.971" style="--l:55;--duration:0.3s;--delay:0.2s;" :class="[$style.line, $style.anim]"/>
-	<circle cx="64" cy="64" r="56" style="--l:400;" :class="[$style.line, $style.anim]"/>
+<svg v-else-if="type === 'success'" :class="[$style.icon, $style.success]" viewBox="0 0 160 160">
+	<path d="M62,80L74,92L98,68" style="--l:50;" :class="[$style.line, $style.animLine]"/>
+	<circle cx="80" cy="80" r="56" style="--l:350;" :class="[$style.line, $style.animCircleSuccess]"/>
+</svg>
+<svg v-else-if="type === 'warn'" :class="[$style.icon, $style.warn]" viewBox="0 0 160 160">
+	<path d="M80,64L80,88" style="--l:27;" :class="[$style.line, $style.animLine]"/>
+	<path d="M80,108L80,108" :class="[$style.line, $style.animFade]"/>
+	<path d="M92,28L144,116C148.709,124.65 144.083,135.82 136,136L24,136C15.917,135.82 11.291,124.65 16,116L68,28C73.498,19.945 86.771,19.945 92,28Z" style="--l:395;" :class="[$style.line, $style.animLine]"/>
+</svg>
+<svg v-else-if="type === 'error'" :class="[$style.icon, $style.error]" viewBox="0 0 160 160">
+	<path d="M63,63L96,96" style="--l:47;--duration:0.3s;" :class="[$style.line, $style.animLine]"/>
+	<path d="M96,63L63,96" style="--l:47;--duration:0.3s;--delay:0.2s;" :class="[$style.line, $style.animLine]"/>
+	<circle cx="80" cy="80" r="56" style="--l:350;" :class="[$style.line, $style.animCircle]"/>
 </svg>
 </template>
 
@@ -25,18 +34,25 @@ SPDX-License-Identifier: AGPL-3.0-only
 import {} from 'vue';
 
 const props = defineProps<{
-	type: 'info' | 'question' | 'warn' | 'error';
+	type: 'info' | 'question' | 'success' | 'warn' | 'error';
 }>();
 </script>
 
 <style lang="scss" module>
 .icon {
-	color: var(--MI_THEME-accent);
 	stroke-linecap: round;
 	stroke-linejoin: round;
 
+	&.info {
+		color: var(--MI_THEME-accent);
+	}
+
 	&.question {
-		color: var(--MI_THEME-warn);
+		color: var(--MI_THEME-fg);
+	}
+
+	&.success {
+		color: var(--MI_THEME-success);
 	}
 
 	&.warn {
@@ -52,25 +68,69 @@ const props = defineProps<{
 	fill: none;
 	stroke: currentColor;
 	stroke-width: 8px;
+	shape-rendering: geometricPrecision;
 }
 
-.fill {
-	fill: currentColor;
-}
-
-.anim {
+.animLine {
 	stroke-dasharray: var(--l);
 	stroke-dashoffset: var(--l);
-	animation: line-animation var(--duration, 0.5s) ease-out 1 forwards;
+	animation: line var(--duration, 0.5s) cubic-bezier(0,0,.25,1) 1 forwards;
 	animation-delay: var(--delay, 0s);
 }
 
-@keyframes line-animation {
+.animCircle {
+	stroke-dasharray: var(--l);
+	stroke-dashoffset: var(--l);
+	animation: line var(--duration, 0.5s) cubic-bezier(0,0,.25,1) 1 forwards;
+	animation-delay: var(--delay, 0s);
+	transform-origin: center;
+	transform: rotate(-90deg);
+}
+
+.animCircleSuccess {
+	stroke-dasharray: var(--l);
+	stroke-dashoffset: var(--l);
+	animation: circleSuccess var(--duration, 0.5s) cubic-bezier(0,0,.25,1) 1 forwards;
+	animation-delay: var(--delay, 0s);
+	transform-origin: center;
+}
+
+.animFade {
+	opacity: 0;
+	animation: fade-in var(--duration, 0.5s) cubic-bezier(0,0,.25,1) 1 forwards;
+	animation-delay: var(--delay, 0s);
+}
+
+@keyframes line {
 	0% {
 		stroke-dashoffset: var(--l);
+		opacity: 0;
 	}
 	100% {
 		stroke-dashoffset: 0;
+		opacity: 1;
+	}
+}
+
+@keyframes circleSuccess {
+	0% {
+		stroke-dashoffset: var(--l);
+		opacity: 0;
+		transform: rotate(-90deg);
+	}
+	100% {
+		stroke-dashoffset: 0;
+		opacity: 1;
+		transform: rotate(90deg);
+	}
+}
+
+@keyframes fade-in {
+	0% {
+		opacity: 0;
+	}
+	100% {
+		opacity: 1;
 	}
 }
 </style>
diff --git a/packages/frontend/src/pages/debug.vue b/packages/frontend/src/pages/debug.vue
new file mode 100644
index 0000000000..4a28d513f5
--- /dev/null
+++ b/packages/frontend/src/pages/debug.vue
@@ -0,0 +1,66 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<PageWithHeader>
+	<div class="_spacer" style="--MI_SPACER-w: 600px;">
+		<div class="_gaps_m">
+			<MkResult v-if="resultType === 'empty'" type="empty"/>
+			<MkResult v-if="resultType === 'notFound'" type="notFound"/>
+			<MkResult v-if="resultType === 'error'" type="error"/>
+			<MkSelect
+				v-model="resultType" :items="[
+					{ label: 'empty', value: 'empty' },
+					{ label: 'notFound', value: 'notFound' },
+					{ label: 'error', value: 'error' },
+				]"
+			></MkSelect>
+
+			<MkSystemIcon v-if="iconType === 'info'" type="info" style="width: 150px;"/>
+			<MkSystemIcon v-if="iconType === 'question'" type="question" style="width: 150px;"/>
+			<MkSystemIcon v-if="iconType === 'success'" type="success" style="width: 150px;"/>
+			<MkSystemIcon v-if="iconType === 'warn'" type="warn" style="width: 150px;"/>
+			<MkSystemIcon v-if="iconType === 'error'" type="error" style="width: 150px;"/>
+			<MkSelect
+				v-model="iconType" :items="[
+					{ label: 'info', value: 'info' },
+					{ label: 'question', value: 'question' },
+					{ label: 'success', value: 'success' },
+					{ label: 'warn', value: 'warn' },
+					{ label: 'error', value: 'error' },
+				]"
+			></MkSelect>
+
+			<div class="_buttons">
+				<MkButton @click="os.alert({ type: 'error', title: 'Error', text: 'error' })">Error</MkButton>
+				<MkButton @click="os.alert({ type: 'warning', title: 'Warning', text: 'warning' })">Warning</MkButton>
+				<MkButton @click="os.alert({ type: 'info', title: 'Info', text: 'info' })">Info</MkButton>
+				<MkButton @click="os.alert({ type: 'success', title: 'Success', text: 'success' })">Success</MkButton>
+				<MkButton @click="os.alert({ type: 'question', title: 'Question', text: 'question' })">Question</MkButton>
+			</div>
+		</div>
+	</div>
+</PageWithHeader>
+</template>
+
+<script lang="ts" setup>
+import { ref } from 'vue';
+import { i18n } from '@/i18n.js';
+import { instance } from '@/instance.js';
+import { definePage } from '@/page.js';
+import MkKeyValue from '@/components/MkKeyValue.vue';
+import MkLink from '@/components/MkLink.vue';
+import MkSelect from '@/components/MkSelect.vue';
+import MkButton from '@/components/MkButton.vue';
+import * as os from '@/os.js';
+
+const resultType = ref('empty');
+const iconType = ref('info');
+
+definePage(() => ({
+	title: 'DEBUG ROOM',
+	icon: 'ti ti-help-circle',
+}));
+</script>
diff --git a/packages/frontend/src/preferences.ts b/packages/frontend/src/preferences.ts
index 73c89e23af..2208f75094 100644
--- a/packages/frontend/src/preferences.ts
+++ b/packages/frontend/src/preferences.ts
@@ -86,7 +86,7 @@ const storageProvider: StorageProvider = {
 		});
 	},
 
-	cloudGets: async (ctx) => {
+	cloudGetBulk: async (ctx) => {
 		// TODO: 値の取得を1つのリクエストで済ませたい(バックエンド側でAPIの新設が必要)
 		const fetchings = ctx.needs.map(need => storageProvider.cloudGet(need).then(res => [need.key, res] as const));
 		const cloudDatas = await Promise.all(fetchings);
diff --git a/packages/frontend/src/preferences/manager.ts b/packages/frontend/src/preferences/manager.ts
index f96aa2f368..cac659f1fe 100644
--- a/packages/frontend/src/preferences/manager.ts
+++ b/packages/frontend/src/preferences/manager.ts
@@ -79,7 +79,7 @@ export type PreferencesProfile = {
 
 export type StorageProvider = {
 	save: (ctx: { profile: PreferencesProfile; }) => void;
-	cloudGets: <K extends keyof PREF>(ctx: { needs: { key: K; scope: Scope; }[] }) => Promise<Partial<Record<K, ValueOf<K>>>>;
+	cloudGetBulk: <K extends keyof PREF>(ctx: { needs: { key: K; scope: Scope; }[] }) => Promise<Partial<Record<K, ValueOf<K>>>>;
 	cloudGet: <K extends keyof PREF>(ctx: { key: K; scope: Scope; }) => Promise<{ value: ValueOf<K>; } | null>;
 	cloudSet: <K extends keyof PREF>(ctx: { key: K; scope: Scope; value: ValueOf<K>; }) => Promise<void>;
 };
@@ -240,7 +240,7 @@ export class PreferencesManager {
 			}
 		}
 
-		const cloudValues = await this.storageProvider.cloudGets({ needs });
+		const cloudValues = await this.storageProvider.cloudGetBulk({ needs });
 
 		for (const _key in PREF_DEF) {
 			const key = _key as keyof PREF;
diff --git a/packages/frontend/src/preferences/utility.ts b/packages/frontend/src/preferences/utility.ts
index af5b178df6..a6687251af 100644
--- a/packages/frontend/src/preferences/utility.ts
+++ b/packages/frontend/src/preferences/utility.ts
@@ -140,7 +140,7 @@ function importProfile() {
 export async function cloudBackup() {
 	if ($i == null) return;
 	if (!canAutoBackup()) {
-		throw new Error('Profile name is not set');
+		throw new Error('cannot auto backup for this profile');
 	}
 
 	await misskeyApi('i/registry/set', {
diff --git a/packages/frontend/src/router.definition.ts b/packages/frontend/src/router.definition.ts
index 462b8e713f..5e0e6f7286 100644
--- a/packages/frontend/src/router.definition.ts
+++ b/packages/frontend/src/router.definition.ts
@@ -591,6 +591,10 @@ export const ROUTE_DEF = [{
 	path: '/reversi/g/:gameId',
 	component: page(() => import('@/pages/reversi/game.vue')),
 	loginRequired: false,
+}, {
+	path: '/debug',
+	component: page(() => import('@/pages/debug.vue')),
+	loginRequired: false,
 }, {
 	// テスト用リダイレクト設定。ログイン中ユーザのプロフィールにリダイレクトする
 	path: '/redirect-test',
diff --git a/packages/misskey-js/package.json b/packages/misskey-js/package.json
index dbc702dc6f..ab0f891366 100644
--- a/packages/misskey-js/package.json
+++ b/packages/misskey-js/package.json
@@ -1,7 +1,7 @@
 {
 	"type": "module",
 	"name": "misskey-js",
-	"version": "2025.5.0-rc.0",
+	"version": "2025.5.0",
 	"description": "Misskey SDK for JavaScript",
 	"license": "MIT",
 	"main": "./built/index.js",