diff --git a/.github/ISSUE_TEMPLATE/01_bug-report.md b/.github/ISSUE_TEMPLATE/01_bug-report.md
index f6fd593c8..46ce16f07 100644
--- a/.github/ISSUE_TEMPLATE/01_bug-report.md
+++ b/.github/ISSUE_TEMPLATE/01_bug-report.md
@@ -39,8 +39,20 @@ Please include errors from the developer console and/or server log files if you
 <!-- Tell us where on the platform it happens -->
 <!-- DO NOT WRITE "latest". Please provide the specific version. -->
 
-Misskey version:
-PostgreSQL version:
-Redis version:
-Your OS:
-Your browser:
+### 💻 Frontend
+* Model and OS of the device(s):
+  <!-- Example: MacBook Pro (14inch, 2021), macOS Ventura 13.4 -->
+* Browser:
+  <!-- Example: Chrome 113.0.5672.126 -->
+* Server URL:
+  <!-- Example: misskey.io -->
+
+### 🛰 Backend (for instance admin)
+<!-- If you are using a managed service, put that after the version. -->
+
+* Installation Method or Hosting Service: <!-- Example: docker compose, k8s/docker, systemd, "Misskey install shell script", development environment -->
+* Misskey: 13.x.x
+* Node: 18.x.x
+* PostgreSQL: 15.x.x
+* Redis: 7.x.x
+* OS and Architecture: <!-- Example: Ubuntu 22.04.2 LTS aarch64 -->
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a06300656..d735ec71e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,14 @@
 
 -->
 
+## 13.13.1
+
+### Client
+- Fix: タブがアクティブな間はstreamが切断されないように
+
+### Server
+- Fix: api/metaで`TypeError: JSON5.parse is not a function`エラーが発生する問題を修正
+
 ## 13.13.0
 
 ### General
diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index 652814ca9..aa0f31fcd 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -792,6 +792,7 @@ noMaintainerInformationWarning: "管理者情報が設定されてへんで"
 noBotProtectionWarning: "Botプロテクションが設定されてへんで。"
 configure: "設定する"
 postToGallery: "ギャラリーへ投稿"
+postToHashtag: "このハッシュタグで投稿"
 gallery: "ギャラリー"
 recentPosts: "最近の投稿"
 popularPosts: "人気の投稿"
@@ -825,6 +826,7 @@ translatedFrom: "{x}から翻訳するで"
 accountDeletionInProgress: "アカウント削除しとるで待っとってなー"
 usernameInfo: "サーバー上であんたのアカウントをあんたやと分かるようにするための名前やで。アルファベット(a~z, A~Z)、数字(0~9)、それとアンダーバー(_)が使って考えてな。この名前は後から変更することはできへんからちゃんと考えるんやで。"
 aiChanMode: "藍モードやで"
+devMode: "開発者モード"
 keepCw: "CWを維持するで"
 pubSub: "Pub/Subのアカウント"
 lastCommunication: "直近の通信"
@@ -834,6 +836,8 @@ breakFollow: "フォロワーを解除するで"
 breakFollowConfirm: "フォロワー解除してもええか？"
 itsOn: "オンになっとるよ"
 itsOff: "オフになってるで"
+on: "オン"
+off: "オフ"
 emailRequiredForSignup: "アカウント登録にメールアドレスを必須にするで"
 unread: "未読"
 filter: "フィルタ"
@@ -988,6 +992,8 @@ cannotBeChangedLater: "後からは変えられへんで。"
 reactionAcceptance: "ツッコミの受け入れ"
 likeOnly: "いいねだけ"
 likeOnlyForRemote: "リモートからはいいねだけな"
+nonSensitiveOnly: "センシティブじゃないやつだけ"
+nonSensitiveOnlyForLocalLikeOnlyForRemote: "センシティブじゃないやつだけ (リモートはいいねだけ)"
 rolesAssignedToMe: "自分に割り当てられたロール"
 resetPasswordConfirm: "パスワード作り直すんでええな？"
 sensitiveWords: "けったいな単語"
@@ -1045,10 +1051,17 @@ preventAiLearning: "生成AIの学習に使わんといて"
 preventAiLearningDescription: "他の文章生成AIとか画像生成AIに、投稿したノートとか画像なんかを勝手に使わんように頼むで。具体的にはnoaiフラグをHTMLレスポンスに含めるんやけど、これ聞いてくれるんはAIの気分次第やから、使われる可能性もちょっとはあるな。"
 options: "オプション"
 specifyUser: "ユーザー指定"
+failedToPreviewUrl: "プレビューできへん"
+update: "更新"
 rolesThatCanBeUsedThisEmojiAsReaction: "ツッコミとして使えるロール"
 rolesThatCanBeUsedThisEmojiAsReactionEmptyDescription: "ロールが一個も指定されてへんかったら、誰でもツッコミとして使えるで。"
+rolesThatCanBeUsedThisEmojiAsReactionPublicRoleWarn: "ロールは公開ロールじゃないとアカンで。"
 cancelReactionConfirm: "ツッコむんをやっぱやめるか？"
 changeReactionConfirm: "ツッコミを別のに変えるか？"
+later: "あとで"
+goToMisskey: "Misskeyへ"
+additionalEmojiDictionary: "絵文字の追加辞書"
+installed: "インストール済み"
 _initialAccountSetting:
   accountCreated: "アカウント作り終わったで。"
   letsStartAccountSetup: "アカウントの初期設定をしよか。"
@@ -1063,6 +1076,7 @@ _initialAccountSetting:
   haveFun: "{name}、楽しんでな～"
   ifYouNeedLearnMore: "{name}(Misskey)の使い方とかをよー知りたいんやったら{link}をみてな。"
   skipAreYouSure: "初期設定飛ばすか？"
+  laterAreYouSure: "初期設定あとでやり直すん？"
 _serverRules:
   description: "新規登録前に見せる、サーバーの簡潔なルールを設定すんで。内容は使うための決め事の要約とすることを推奨するわ。"
 _accountMigration:
diff --git a/package.json b/package.json
index 8cf7d37f6..eff0bf2dc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "13.13.0",
+	"version": "13.13.1",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 53d724a9d..fe68467a6 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -1,6 +1,6 @@
 import { IsNull, LessThanOrEqual, MoreThan } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import * as JSON5 from 'json5';
+import JSON5 from 'json5';
 import type { AdsRepository, UsersRepository } from '@/models/index.js';
 import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
diff --git a/packages/frontend/src/components/global/MkAvatar.vue b/packages/frontend/src/components/global/MkAvatar.vue
index 422b35c9d..efe74b7cc 100644
--- a/packages/frontend/src/components/global/MkAvatar.vue
+++ b/packages/frontend/src/components/global/MkAvatar.vue
@@ -1,6 +1,6 @@
 <template>
 <component :is="link ? MkA : 'span'" v-user-preview="preview ? user.id : undefined" v-bind="bound" class="_noSelect" :class="[$style.root, { [$style.animation]: animation, [$style.cat]: user.isCat, [$style.square]: squareAvatars }]" :style="{ color }" :title="acct(user)" @click="onClick">
-	<MkImgWithBlurhash :class="$style.inner" :src="url" :hash="user?.avatarBlurhash" :cover="true"/>
+	<img :class="$style.inner" :src="url" :hash="user?.avatarBlurhash" :cover="true"/>
 	<MkUserOnlineIndicator v-if="indicator" :class="$style.indicator" :user="user"/>
 	<div v-if="user.isCat" :class="[$style.ears]">
 		<div :class="$style.earLeft">
@@ -24,7 +24,6 @@
 <script lang="ts" setup>
 import { watch } from 'vue';
 import * as misskey from 'misskey-js';
-import MkImgWithBlurhash from '../MkImgWithBlurhash.vue';
 import MkA from './MkA.vue';
 import { getStaticImageUrl } from '@/scripts/media-proxy';
 import { extractAvgColorFromBlurhash } from '@/scripts/extract-avg-color-from-blurhash';
diff --git a/packages/frontend/src/stream.ts b/packages/frontend/src/stream.ts
index 9cae58a26..a7e4ecd42 100644
--- a/packages/frontend/src/stream.ts
+++ b/packages/frontend/src/stream.ts
@@ -12,5 +12,14 @@ export function useStream(): Misskey.Stream {
 		token: $i.token,
 	} : null));
 
+	window.setTimeout(heartbeat, 1000 * 60);
+
 	return stream;
 }
+
+function heartbeat(): void {
+	if (stream != null && document.visibilityState === 'visible') {
+		stream.heartbeat();
+	}
+	window.setTimeout(heartbeat, 1000 * 60);
+}
diff --git a/packages/misskey-js/etc/misskey-js.api.md b/packages/misskey-js/etc/misskey-js.api.md
index 19e5b7544..396187a43 100644
--- a/packages/misskey-js/etc/misskey-js.api.md
+++ b/packages/misskey-js/etc/misskey-js.api.md
@@ -2606,6 +2606,10 @@ export class Stream extends EventEmitter<StreamEvents> {
     //
     // (undocumented)
     disconnectToChannel(connection: NonSharedConnection): void;
+    // (undocumented)
+    heartbeat(): void;
+    // (undocumented)
+    ping(): void;
     // Warning: (ae-forgotten-export) The symbol "SharedConnection" needs to be exported by the entry point index.d.ts
     //
     // (undocumented)
diff --git a/packages/misskey-js/src/streaming.ts b/packages/misskey-js/src/streaming.ts
index 0218b40a0..92a220b49 100644
--- a/packages/misskey-js/src/streaming.ts
+++ b/packages/misskey-js/src/streaming.ts
@@ -186,6 +186,14 @@ export default class Stream extends EventEmitter<StreamEvents> {
 		this.stream.send(JSON.stringify(typeOrPayload));
 	}
 
+	public ping(): void {
+		this.stream.send('ping');
+	}
+
+	public heartbeat(): void {
+		this.stream.send('h');
+	}
+
 	/**
 	 * Close this connection
 	 */