diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9447fc10b..26b0258121 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,8 @@
   (Cherry-picked from https://github.com/lqvp/misskey-tempura/commit/3f0f4bfe923f2b3a7837017b54841598f421c6ef)
 - Fix: support activity with `actor` as an id string or embedded object in inbox processor and ActivityPub inbox service
 - Fix: コンフィグファイルに `meilisearch` の設定がある状態でほかの検索プロバイダを利用すると、UI上からリモートのノートの検索ができない問題を修正
+- Fix: ノートに関する通知で公開範囲が考慮されていない問題を修正  
+  (Cherry-picked from https://github.com/lqvp/misskey-tempura/commit/cbce96c520a138b8bcd16890ff6f2952830fa166 originally presented in https://github.com/yojo-art/cherrypick/pull/743)
 
 ## 2026.3.2
 
diff --git a/package.json b/package.json
index 1d372fb045..4c304236c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "2026.4.0-beta.0",
+	"version": "2026.4.0-beta.1",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/backend/src/core/NoteCreateService.ts b/packages/backend/src/core/NoteCreateService.ts
index 748f2cbad9..2982cc0dd0 100644
--- a/packages/backend/src/core/NoteCreateService.ts
+++ b/packages/backend/src/core/NoteCreateService.ts
@@ -71,6 +71,7 @@ class NotificationManager {
 	constructor(
 		private mutingsRepository: MutingsRepository,
 		private notificationService: NotificationService,
+		private followingsRepository: FollowingsRepository,
 		notifier: { id: MiUser['id']; },
 		note: MiNote,
 	) {
@@ -101,7 +102,47 @@ class NotificationManager {
 
 	@bindThis
 	public async notify() {
+		if (this.queue.length === 0) {
+			return;
+		}
+
+		const targetUserIds = this.queue.map(x => x.target);
+		let visibleUserIds: Set<string>;
+
+		switch (this.note.visibility) {
+			case 'public':
+			case 'home':
+				visibleUserIds = new Set(targetUserIds);
+				break;
+
+			case 'specified':
+				visibleUserIds = new Set(this.note.visibleUserIds.filter(id => targetUserIds.includes(id)));
+				break;
+
+			// TODO: フォロワー限定ノートにフォロワーではない人がメンションされた場合通知されるのが正しい挙動なのか確認（一部に挙動の不一致がありそう）。現状は通知されるためフィルタしない
+			// case 'followers': {
+			// 	const followers = await this.followingsRepository.find({
+			// 		where: {
+			// 			followeeId: this.note.userId,
+			// 			followerId: In(targetUserIds),
+			// 			isFollowerHibernated: false,
+			// 		},
+			// 		select: ['followerId'],
+			// 	});
+			// 	visibleUserIds = new Set(followers.map(f => f.followerId));
+			// 	break;
+			// }
+
+			default:
+				visibleUserIds = new Set();
+				break;
+		}
+
 		for (const x of this.queue) {
+			if (!visibleUserIds.has(x.target)) {
+				continue;
+			}
+
 			if (x.reason === 'renote') {
 				this.notificationService.createNotification(x.target, 'renote', {
 					noteId: this.note.id,
@@ -772,7 +813,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 
 			this.webhookService.enqueueUserWebhook(user.id, 'note', { note: noteObj });
 
-			const nm = new NotificationManager(this.mutingsRepository, this.notificationService, user, note);
+			const nm = new NotificationManager(this.mutingsRepository, this.notificationService, this.followingsRepository, user, note);
 
 			await this.createMentionedEvents(mentionedUsers, note, nm);
 
diff --git a/packages/frontend/src/components/MkUpdated.vue b/packages/frontend/src/components/MkUpdated.vue
index 09cf595eab..eea64b6c26 100644
--- a/packages/frontend/src/components/MkUpdated.vue
+++ b/packages/frontend/src/components/MkUpdated.vue
@@ -34,7 +34,11 @@ const isBeta = version.includes('-beta') || version.includes('-alpha') || versio
 
 function whatIsNew() {
 	modal.value?.close();
-	window.open(`https://misskey-hub.net/docs/releases/#_${version.replace(/\./g, '')}`, '_blank');
+	if (isBeta) {
+		window.open(`https://github.com/misskey-dev/misskey/releases/tag/${version}`, '_blank');
+	} else {
+		window.open(`https://misskey-hub.net/docs/releases/#_${version.replace(/\./g, '')}`, '_blank');
+	}
 }
 
 onMounted(() => {
diff --git a/packages/misskey-js/package.json b/packages/misskey-js/package.json
index fad8adcd11..59027c72e8 100644
--- a/packages/misskey-js/package.json
+++ b/packages/misskey-js/package.json
@@ -1,7 +1,7 @@
 {
 	"type": "module",
 	"name": "misskey-js",
-	"version": "2026.4.0-beta.0",
+	"version": "2026.4.0-beta.1",
 	"description": "Misskey SDK for JavaScript",
 	"license": "MIT",
 	"main": "./built/index.js",