diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03d6ccf428..bfd1eca27a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,13 @@
 - アンテナのノート、チャンネルのノート、通知が正常に作成できないことがある問題を修正
 - ストリーミングのLTLチャンネルでサーバー側にエラーログが出るのを修正
 
+## Service Worker
+- 「通知が既読になったらプッシュ通知を削除する」を復活
+  * 「プッシュ通知が更新されました」の挙動を変えた（ホストとバージョンを表示するようにし、一定時間後の削除は行わないように）
+- プッシュ通知が実績を解除 (achievementEarned) に対応
+- プッシュ通知のアクションから既存のクライアントの投稿フォームを開くことになった際の挙動を修正
+- たくさんのプッシュ通知を閉じた際、その通知の数だけnotifications/mark-all-as-readを叩くのをやめるように
+
 ## 13.11.1
 
 ### General
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index bdf2cada86..4c5bb60e0c 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -20,6 +20,7 @@ noNotes: "ノートはありません"
 noNotifications: "通知はありません"
 instance: "サーバー"
 settings: "設定"
+notificationSettings: "通知の設定"
 basicSettings: "基本設定"
 otherSettings: "その他の設定"
 openInWindow: "ウィンドウで開く"
@@ -917,8 +918,8 @@ subscribePushNotification: "プッシュ通知を有効化"
 unsubscribePushNotification: "プッシュ通知を停止する"
 pushNotificationAlreadySubscribed: "プッシュ通知は有効です"
 pushNotificationNotSupported: "ブラウザかサーバーがプッシュ通知に非対応"
-sendPushNotificationReadMessage: "通知やメッセージが既読になったらプッシュ通知を削除する"
-sendPushNotificationReadMessageCaption: "「{emptyPushNotificationMessage}」という通知が一瞬表示されるようになります。端末の電池消費量が増加する可能性があります。"
+sendPushNotificationReadMessage: "通知が既読になったらプッシュ通知を削除する"
+sendPushNotificationReadMessageCaption: "端末の電池消費量が増加する可能性があります。"
 windowMaximize: "最大化"
 windowMinimize: "最小化"
 windowRestore: "元に戻す"
diff --git a/packages/backend/assets/tabler-badges/medal.png b/packages/backend/assets/tabler-badges/medal.png
new file mode 100644
index 0000000000..44dc7b8c1e
Binary files /dev/null and b/packages/backend/assets/tabler-badges/medal.png differ
diff --git a/packages/backend/src/core/NotificationService.ts b/packages/backend/src/core/NotificationService.ts
index c7dac061b2..6691c42836 100644
--- a/packages/backend/src/core/NotificationService.ts
+++ b/packages/backend/src/core/NotificationService.ts
@@ -66,6 +66,7 @@ export class NotificationService implements OnApplicationShutdown {
 	@bindThis
 	private postReadAllNotifications(userId: User['id']) {
 		this.globalEventService.publishMainStream(userId, 'readAllNotifications');
+		this.pushNotificationService.pushNotification(userId, 'readAllNotifications', undefined);
 	}
 
 	@bindThis
diff --git a/packages/backend/src/core/PushNotificationService.ts b/packages/backend/src/core/PushNotificationService.ts
index 69020f7e84..fd24831fbc 100644
--- a/packages/backend/src/core/PushNotificationService.ts
+++ b/packages/backend/src/core/PushNotificationService.ts
@@ -15,6 +15,7 @@ type PushNotificationsTypes = {
 		antenna: { id: string, name: string };
 		note: Packed<'Note'>;
 	};
+	'readAllNotifications': undefined;
 };
 
 // Reduce length because push message servers have character limits
@@ -68,6 +69,10 @@ export class PushNotificationService {
 		});
 	
 		for (const subscription of subscriptions) {
+			if ([
+				'readAllNotifications',
+			].includes(type) && !subscription.sendReadMessage) continue;
+
 			const pushSubscription = {
 				endpoint: subscription.endpoint,
 				keys: {
diff --git a/packages/frontend/src/ui/_common_/sw-inject.ts b/packages/frontend/src/ui/_common_/sw-inject.ts
index a92a06bd3e..c97e2b567b 100644
--- a/packages/frontend/src/ui/_common_/sw-inject.ts
+++ b/packages/frontend/src/ui/_common_/sw-inject.ts
@@ -1,17 +1,18 @@
-import { post } from '@/os';
+import { api, post } from '@/os';
 import { $i, login } from '@/account';
 import { getAccountFromId } from '@/scripts/get-account-from-id';
 import { mainRouter } from '@/router';
+import { deepClone } from '@/scripts/clone';
 
 export function swInject() {
-	navigator.serviceWorker.addEventListener('message', ev => {
+	navigator.serviceWorker.addEventListener('message', async ev => {
 		if (_DEV_) {
 			console.log('sw msg', ev.data);
 		}
 
 		if (ev.data.type !== 'order') return;
 
-		if (ev.data.loginId !== $i?.id) {
+		if (ev.data.loginId && ev.data.loginId !== $i?.id) {
 			return getAccountFromId(ev.data.loginId).then(account => {
 				if (!account) return;
 				return login(account.token, ev.data.url);
@@ -19,8 +20,18 @@ export function swInject() {
 		}
 
 		switch (ev.data.order) {
-			case 'post':
-				return post(ev.data.options);
+			case 'post': {
+				const props = deepClone(ev.data.options);
+				// プッシュ通知から来たreply,renoteはtruncateBodyが通されているため、
+				// 完全なノートを取得しなおす
+				if (props.reply) {
+					props.reply = await api('notes/show', { noteId: props.reply.id });
+				}
+				if (props.renote) {
+					props.renote = await api('notes/show', { noteId: props.renote.id });
+				}
+				return post(props);
+			}
 			case 'push':
 				if (mainRouter.currentRoute.value.path === ev.data.url) {
 					return window.scroll({ top: 0, behavior: 'smooth' });
diff --git a/packages/sw/src/scripts/create-notification.ts b/packages/sw/src/scripts/create-notification.ts
index 8e214c9850..4d27858253 100644
--- a/packages/sw/src/scripts/create-notification.ts
+++ b/packages/sw/src/scripts/create-notification.ts
@@ -21,7 +21,7 @@ const iconUrl = (name: BadgeNames) => `/static-assets/tabler-badges/${name}.png`
  * 1. Find the icon and download png from https://tabler-icons.io/
  * 2. vips resize ~/Downloads/icon-name.png vipswork.png 0.4; vips scRGB2BW vipswork.png ~/icon-name.png"[compression=9,strip]"; rm vipswork.png;
  * 3. mv ~/icon-name.png ~/misskey/packages/backend/assets/tabler-badges/
- * 4. Add 'icon-name' to badgeNames
+ * 4. Add 'icon-name' to BadgeNames
  * 5. Add `badge: iconUrl('icon-name'),`
  */
 
@@ -168,14 +168,6 @@ async function composeNotification(data: PushNotificationDataMap[keyof PushNotif
 					}];
 				}
 
-				case 'pollEnded':
-					return [t('_notification.pollEnded'), {
-						body: data.body.note.text || '',
-						badge: iconUrl('chart-arrows'),
-						tag: `poll:${data.body.note.id}`,
-						data,
-					}];
-
 				case 'receiveFollowRequest':
 					return [t('_notification.youReceivedFollowRequest'), {
 						body: getUserName(data.body.user),
@@ -202,6 +194,14 @@ async function composeNotification(data: PushNotificationDataMap[keyof PushNotif
 						data,
 					}];
 
+				case 'achievementEarned':
+					return [t('_notification.achievementEarned'), {
+						body: t(`_achievements._types._${data.body.achievement}.title`),
+						badge: iconUrl('medal'),
+						data,
+						tag: `achievement:${data.body.achievement}`,
+					}];
+
 				case 'app':
 					return [data.body.header ?? data.body.body, {
 						body: data.body.header ? data.body.body : '',
@@ -233,17 +233,29 @@ export async function createEmptyNotification() {
 		const { t } = i18n;
 
 		await globalThis.registration.showNotification(
-			t('_notification.emptyPushNotificationMessage'),
+			(new URL(origin)).host,
 			{
+				body: `Misskey v${_VERSION_}`,
 				silent: true,
 				badge: iconUrl('null'),
 				tag: 'read_notification',
+				actions: [
+					{
+						action: 'markAllAsRead',
+						title: t('markAllAsRead'),
+					},
+					{
+						action: 'settings',
+						title: t('notificationSettings'),
+					},
+				],
+				data: {},
 			},
 		);
 
 		setTimeout(async () => {
 			try {
-				await closeNotificationsByTags(['user_visible_auto_notification', 'read_notification']);
+				await closeNotificationsByTags(['user_visible_auto_notification']);
 			} finally {
 				res();
 			}
diff --git a/packages/sw/src/scripts/operations.ts b/packages/sw/src/scripts/operations.ts
index 0978cf9a31..2fd02f9dcb 100644
--- a/packages/sw/src/scripts/operations.ts
+++ b/packages/sw/src/scripts/operations.ts
@@ -4,7 +4,6 @@
  */
 import * as Misskey from 'misskey-js';
 import { SwMessage, SwMessageOrderType } from '@/types';
-import { acct as getAcct } from '@/filters/user';
 import { getAccountFromId } from '@/scripts/get-account-from-id';
 import { getUrlWithLoginId } from '@/scripts/login-id';
 
@@ -17,13 +16,27 @@ export async function api<E extends keyof Misskey.Endpoints>(endpoint: E, userId
 	return cli.request(endpoint, options, account.token);
 }
 
+// mark-all-as-read送出を1秒間隔に制限する
+const readBlockingStatus = new Map<string, boolean>();
+export function sendMarkAllAsRead(userId: string): Promise<null | undefined | void> {
+	if (readBlockingStatus.get(userId)) return Promise.resolve();
+	readBlockingStatus.set(userId, true);
+	return new Promise(resolve => {
+		setTimeout(() => {
+			readBlockingStatus.set(userId, false);
+			api('notifications/mark-all-as-read', userId)
+				.then(resolve, resolve);
+		}, 1000);
+	});
+}
+
 // rendered acctからユーザーを開く
-export function openUser(acct: string, loginId: string) {
+export function openUser(acct: string, loginId?: string) {
 	return openClient('push', `/@${acct}`, loginId, { acct });
 }
 
 // noteIdからノートを開く
-export function openNote(noteId: string, loginId: string) {
+export function openNote(noteId: string, loginId?: string) {
 	return openClient('push', `/notes/${noteId}`, loginId, { noteId });
 }
 
@@ -33,7 +46,7 @@ export function openAntenna(antennaId: string, loginId: string) {
 }
 
 // post-formのオプションから投稿フォームを開く
-export async function openPost(options: any, loginId: string) {
+export async function openPost(options: any, loginId?: string) {
 	// クエリを作成しておく
 	let url = '/share?';
 	if (options.initialText) url += `text=${options.initialText}&`;
@@ -43,7 +56,7 @@ export async function openPost(options: any, loginId: string) {
 	return openClient('post', url, loginId, { options });
 }
 
-export async function openClient(order: SwMessageOrderType, url: string, loginId: string, query: any = {}) {
+export async function openClient(order: SwMessageOrderType, url: string, loginId?: string, query: any = {}) {
 	const client = await findClient();
 
 	if (client) {
@@ -51,7 +64,7 @@ export async function openClient(order: SwMessageOrderType, url: string, loginId
 		return client;
 	}
 
-	return globalThis.clients.openWindow(getUrlWithLoginId(url, loginId));
+	return globalThis.clients.openWindow(loginId ? getUrlWithLoginId(url, loginId) : url);
 }
 
 export async function findClient() {
@@ -59,7 +72,7 @@ export async function findClient() {
 		type: 'window',
 	});
 	for (const c of clients) {
-		if (!new URL(c.url).searchParams.has('zen')) return c;
+		if (!(new URL(c.url)).searchParams.has('zen')) return c;
 	}
 	return null;
 }
diff --git a/packages/sw/src/sw.ts b/packages/sw/src/sw.ts
index 56050987a0..c1cde8b3c2 100644
--- a/packages/sw/src/sw.ts
+++ b/packages/sw/src/sw.ts
@@ -1,9 +1,9 @@
 import { createEmptyNotification, createNotification } from '@/scripts/create-notification';
 import { swLang } from '@/scripts/lang';
-import { api } from '@/scripts/operations';
 import { PushNotificationDataMap } from '@/types';
 import * as swos from '@/scripts/operations';
 import { acct as getAcct } from '@/filters/user';
+import { get } from 'idb-keyval';
 
 globalThis.addEventListener('install', ev => {
 	//ev.waitUntil(globalThis.skipWaiting());
@@ -54,6 +54,10 @@ globalThis.addEventListener('push', ev => {
 				if ((new Date()).getTime() - data.dateTime > 1000 * 60 * 60 * 24) break;
 
 				return createNotification(data);
+			case 'readAllNotifications':
+				await globalThis.registration.getNotifications()
+					.then(notifications => notifications.forEach(n => n.close()));
+				break;
 		}
 
 		await createEmptyNotification();
@@ -68,7 +72,7 @@ globalThis.addEventListener('notificationclick', (ev: ServiceWorkerGlobalScopeEv
 		}
 
 		const { action, notification } = ev;
-		const data: PushNotificationDataMap[keyof PushNotificationDataMap] = notification.data;
+		const data: PushNotificationDataMap[keyof PushNotificationDataMap] = notification.data ?? {};
 		const { userId: loginId } = data;
 		let client: WindowClient | null = null;
 
@@ -124,13 +128,29 @@ globalThis.addEventListener('notificationclick', (ev: ServiceWorkerGlobalScopeEv
 				break;
 			case 'unreadAntennaNote':
 				client = await swos.openAntenna(data.body.antenna.id, loginId);
+				break;
+			default:
+				switch (action) {
+					case 'markAllAsRead':
+						await globalThis.registration.getNotifications()
+							.then(notifications => notifications.forEach(n => n.close()));
+						await get('accounts').then(accounts => {
+							return Promise.all(accounts.map(async account => {
+								await swos.sendMarkAllAsRead(account.id);
+							}));
+						});
+						break;
+					case 'settings':
+						client = await swos.openClient('push', '/settings/notifications', loginId);
+						break;
+				}
 		}
 
 		if (client) {
 			client.focus();
 		}
 		if (data.type === 'notification') {
-			api('notifications/mark-all-as-read', data.userId);
+			await swos.sendMarkAllAsRead(loginId);
 		}
 
 		notification.close();
@@ -140,9 +160,12 @@ globalThis.addEventListener('notificationclick', (ev: ServiceWorkerGlobalScopeEv
 globalThis.addEventListener('notificationclose', (ev: ServiceWorkerGlobalScopeEventMap['notificationclose']) => {
 	const data: PushNotificationDataMap[keyof PushNotificationDataMap] = ev.notification.data;
 
-	if (data.type === 'notification') {
-		api('notifications/mark-all-as-read', data.userId);
-	}
+	ev.waitUntil((async () => {
+		if (data.type === 'notification') {
+			await swos.sendMarkAllAsRead(data.userId);
+		}
+		return;
+	})());
 });
 
 globalThis.addEventListener('message', (ev: ServiceWorkerGlobalScopeEventMap['message']) => {
diff --git a/packages/sw/src/types.ts b/packages/sw/src/types.ts
index 7b653e94b7..204ec6198d 100644
--- a/packages/sw/src/types.ts
+++ b/packages/sw/src/types.ts
@@ -17,6 +17,7 @@ type PushNotificationDataSourceMap = {
 		antenna: { id: string, name: string };
 		note: Misskey.entities.Note;
 	};
+	readAllNotifications: undefined;
 };
 
 export type PushNotificationData<K extends keyof PushNotificationDataSourceMap> = {
@@ -37,6 +38,7 @@ export type BadgeNames =
 	| 'at'
 	| 'chart-arrows'
 	| 'circle-check'
+	| 'medal'
 	| 'messages'
 	| 'plus'
 	| 'quote'