diff --git a/CHANGELOG.md b/CHANGELOG.md
index 995c361f15..af2370f3ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 - Enhance: 未読の通知数を表示できるように
 - Enhance: ローカリゼーションの更新
 - Enhance: 依存関係の更新
+- Change: CWを使用する場合、注釈を空にすることは許可されなくなりました
 
 ### Client
 - Feat: プラグイン・テーマを外部サイトから直接インストールできるようになりました
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 995bca9cff..31cf84861d 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -1158,6 +1158,7 @@ export interface Locale {
     "pullDownToRefresh": string;
     "disableStreamingTimeline": string;
     "useGroupedNotifications": string;
+    "cwNotationRequired": string;
     "_announcement": {
         "forExistingUsers": string;
         "forExistingUsersDescription": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 420b538a4a..69a48fc672 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1155,6 +1155,7 @@ refreshing: "リロード中"
 pullDownToRefresh: "引っ張ってリロード"
 disableStreamingTimeline: "タイムラインのリアルタイム更新を無効にする"
 useGroupedNotifications: "通知をグルーピングして表示する"
+cwNotationRequired: "「内容を隠す」がオンの場合は注釈の記述が必要です。"
 
 _announcement:
   forExistingUsers: "既存ユーザーのみ"
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 649068fb20..fb650f69ff 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -16,8 +16,8 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { DI } from '@/di-symbols.js';
-import { ApiError } from '../../error.js';
 import { isPureRenote } from '@/misc/is-pure-renote.js';
+import { ApiError } from '../../error.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -109,7 +109,7 @@ export const paramDef = {
 		visibleUserIds: { type: 'array', uniqueItems: true, items: {
 			type: 'string', format: 'misskey:id',
 		} },
-		cw: { type: 'string', nullable: true, maxLength: 100 },
+		cw: { type: 'string', nullable: true, minLength: 1, maxLength: 100 },
 		localOnly: { type: 'boolean', default: false },
 		reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
 		noExtractMentions: { type: 'boolean', default: false },
diff --git a/packages/frontend/src/components/MkDrive.file.vue b/packages/frontend/src/components/MkDrive.file.vue
index 96704996f9..b46b25eba2 100644
--- a/packages/frontend/src/components/MkDrive.file.vue
+++ b/packages/frontend/src/components/MkDrive.file.vue
@@ -47,6 +47,7 @@ import { i18n } from '@/i18n.js';
 import { $i } from '@/account.js';
 import { useRouter } from '@/router.js';
 import { getDriveFileMenu } from '@/scripts/get-drive-file-menu.js';
+import { deviceKind } from '@/scripts/device-kind.js';
 
 const router = useRouter();
 
@@ -74,7 +75,11 @@ function onClick(ev: MouseEvent) {
 	if (props.selectMode) {
 		emit('chosen', props.file);
 	} else {
-		router.push(`/my/drive/file/${props.file.id}`);
+		if (deviceKind === 'desktop') {
+			router.push(`/my/drive/file/${props.file.id}`);
+		} else {
+			os.popupMenu(getDriveFileMenu(props.file, props.folder), (ev.currentTarget ?? ev.target ?? undefined) as HTMLElement | undefined);
+		}
 	}
 }
 
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 62ff42f990..46faae9523 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -674,6 +674,14 @@ function deleteDraft() {
 }
 
 async function post(ev?: MouseEvent) {
+	if (useCw && (cw == null || cw.trim() === '')) {
+		os.alert({
+			type: 'error',
+			text: i18n.ts.cwNotationRequired,
+		});
+		return;
+	}
+
 	if (ev) {
 		const el = ev.currentTarget ?? ev.target;
 		const rect = el.getBoundingClientRect();
diff --git a/packages/frontend/src/components/global/MkAcct.vue b/packages/frontend/src/components/global/MkAcct.vue
index 42d29db488..594494f3c8 100644
--- a/packages/frontend/src/components/global/MkAcct.vue
+++ b/packages/frontend/src/components/global/MkAcct.vue
@@ -17,7 +17,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import * as Misskey from 'misskey-js';
 import { toUnicode } from 'punycode/';
-import MkCondensedLine from './MkCondensedLine.vue';
 import { host as hostRaw } from '@/config.js';
 import { defaultStore } from '@/store.js';
 
diff --git a/packages/frontend/src/pages/drive.file.info.vue b/packages/frontend/src/pages/drive.file.info.vue
index ae9256b8e3..1a2fc197f9 100644
--- a/packages/frontend/src/pages/drive.file.info.vue
+++ b/packages/frontend/src/pages/drive.file.info.vue
@@ -56,6 +56,10 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<template #key>{{ i18n.ts._fileViewer.size }}</template>
 				<template #value>{{ bytes(file.size) }}</template>
 			</MkKeyValue>
+			<MkKeyValue :class="$style.fileMetaDataChildren" :copy="file.url">
+				<template #key>URL</template>
+				<template #value>{{ file.url }}</template>
+			</MkKeyValue>
 		</div>
 	</div>
 	<div v-else class="_fullinfo">
diff --git a/packages/frontend/src/scripts/get-drive-file-menu.ts b/packages/frontend/src/scripts/get-drive-file-menu.ts
index d1cafdf27b..23a1a77bfb 100644
--- a/packages/frontend/src/scripts/get-drive-file-menu.ts
+++ b/packages/frontend/src/scripts/get-drive-file-menu.ts
@@ -78,6 +78,11 @@ export function getDriveFileMenu(file: Misskey.entities.DriveFile, folder?: Miss
 	const isImage = file.type.startsWith('image/');
 	let menu;
 	menu = [{
+		type: 'link',
+		to: `/my/drive/file/${file.id}`,
+		text: i18n.ts._fileViewer.title,
+		icon: 'ti ti-info-circle',
+	}, null, {
 		text: i18n.ts.rename,
 		icon: 'ti ti-forms',
 		action: () => rename(file),
@@ -113,11 +118,6 @@ export function getDriveFileMenu(file: Misskey.entities.DriveFile, folder?: Miss
 		text: i18n.ts.download,
 		icon: 'ti ti-download',
 		download: file.name,
-	}, null, {
-		type: 'link',
-		to: `/my/drive/file/${file.id}`,
-		text: i18n.ts._fileViewer.title,
-		icon: 'ti ti-file',
 	}, null, {
 		text: i18n.ts.delete,
 		icon: 'ti ti-trash',