Merge branch 'develop' into swn

2022-04-23 00:59:00 +09:00 · 2022-04-23 00:59:00 +09:00 · 24c4f484ca
commit 24c4f484ca
parent e98e84d562 f02508c259
156 changed files with 2393 additions and 2154 deletions
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -14,12 +14,12 @@ jobs:
    - uses: actions/checkout@v2
      with:
        submodules: true
-    - uses: actions/setup-node@v1
+    - uses: actions/setup-node@v3
      with:
-        node-version: 12.x
-    - uses: actions/cache@v2
-      with:
-        path: '**/node_modules'
-        key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+        node-version: 16.x
+        cache: 'yarn'
+        cache-dependency-path: |
+          packages/backend/yarn.lock
+          packages/client/yarn.lock
    - run: yarn install
    - run: yarn lint
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@ -33,9 +33,13 @@ jobs:
      with:
        submodules: true
    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
      with:
        node-version: ${{ matrix.node-version }}
+        cache: 'yarn'
+        cache-dependency-path: |
+          packages/backend/yarn.lock
+          packages/client/yarn.lock
    - name: Install dependencies
      run: yarn install
    - name: Check yarn.lock
@ -80,13 +84,13 @@ jobs:
    #- uses: browser-actions/setup-firefox@latest
    #  if: ${{ matrix.browser == 'firefox' }}
    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v3
      with:
        node-version: ${{ matrix.node-version }}
-    - uses: actions/cache@v2
-      with:
-        path: '**/node_modules'
-        key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+        cache: 'yarn'
+        cache-dependency-path: |
+          packages/backend/yarn.lock
+          packages/client/yarn.lock
    - name: Install dependencies
      run: yarn install
    - name: Check yarn.lock
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -12,15 +12,47 @@
 You should also include the user name that made the change.
 -->

-## 12.x.x (unreleased)
+## 12.110.0 (2022/04/11)

 ### Improvements
- Bull Dashboardを組み込み、ジョブキューの確認や操作を行えるように @syuilo
- Check that installed Node.js version fulfills version requirement @ThatOneCalculator
- Server: performance improvements @syuilo
+- Improve webhook @syuilo
+- Client: Show loading icon on splash screen @syuilo

 ### Bugfixes
+- API: parameter validation of users/show was wrong
+- Federation: リモートインスタンスへのダイレクト投稿が届かない問題を修正 @syuilo
+
+## 12.109.2 (2022/04/03)
+
+### Bugfixes
+- API: admin/update-meta was not working @syuilo
+- Client: テーマを切り替えたり読み込んだりするとmeta[name="theme-color"]のcontentがundefinedになる問題を修正 @tamaina
+
+## 12.109.1 (2022/04/02)
+
+### Bugfixes
+- API: Renoteが行えない問題を修正
+
+## 12.109.0 (2022/04/02)
+
+### Improvements
+- Webhooks @syuilo
+- Bull Dashboardを組み込み、ジョブキューの確認や操作を行えるように @syuilo
+  - Bull Dashboardを開くには、最初だけ一旦ログアウトしてから再度管理者権限を持つアカウントでログインする必要があります
+- Check that installed Node.js version fulfills version requirement @ThatOneCalculator
+- Server: overall performance improvements @syuilo
+- Federation: avoid duplicate activity delivery @Johann150
+- Federation: limit federation of reactions on direct notes @Johann150
+- Client: タッチパッド・タッチスクリーンでのデッキの操作性を向上 @tamaina
+
+### Bugfixes
+- email address validation was not working @ybw2016v
 - API: fix endpoint endpoint @Johann150
+- API: fix admin/meta endpoint @syuilo
+- API: improved validation and documentation for endpoints that accept different variants of input @Johann150
+- API: `notes/create`: The `mediaIds` property is now deprecated. @Johann150
+  - Use `fileIds` instead, it has the same behaviour.
+- Client: URIエンコーディングが異常でdecodeURIComponentが失敗するとURLが表示できなくなる問題を修正 @tamaina

 ## 12.108.1 (2022/03/12)

--- a/ROADMAP.md
+++ b/ROADMAP.md
@ -26,3 +26,11 @@ Once Phase 1 is complete and an environment conducive to the development of a st
 Once the development of the feature has settled down, this may be an opportunity to make larger modifications.

 - Rewriting in Rust?
+
+## (4) Change the world
+It is time to promote Misskey and change the world.
+
+- Become more major than services such as Twitter and become critical infrastructure for the world
+- MiOS will be developed and integrated into various systems - What is MiOS?
+- Letting Ai-chan interfere with the real world
+- Make Misskey a member of GAFA; Misskey's office must be a reinforced concrete brutalist building with a courtyard.
--- a/locales/ar-SA.yml
+++ b/locales/ar-SA.yml
@ -189,7 +189,7 @@ clearCachedFiles: "امسح التخزين المؤقت"
 clearCachedFilesConfirm: "أتريد حذف التخزين المؤقت للملفات البعيدة؟"
 blockedInstances: "المثلاء المحجوبون"
 blockedInstancesDescription: "قائمة بالمثلاء التي تريد حظرها بحيث كل نطاق في سطر لوحده. بعد إدراجهم لن يتمكنوا من التفاعل مع هذا المثيل."
-muteAndBlock: "تم كتمها / تم حجبها"
+muteAndBlock: "المكتومون والمحجوبون"
 mutedUsers: "الحسابات المكتومة"
 blockedUsers: "الحسابات المحجوبة"
 noUsers: "ليس هناك مستخدمون"
@ -490,7 +490,7 @@ none: "لا شيء"
 showInPage: "اعرض في الصفحة"
 popout: "منبثقة"
 volume: "مستوى الصوت"
-masterVolume: "القرص الرئيسي"
+masterVolume: "حجم الصوت الرئيس"
 details: "التفاصيل"
 chooseEmoji: "اختر إيموجي"
 unableToProcess: "يتعذر إكمال العملية"
@ -521,6 +521,7 @@ divider: "فاصل"
 addItem: "إضافة عنصر"
 relays: "المُرَحلات"
 addRelay: "إضافة مُرحّل"
+inboxUrl: "رابط صندوق الوارد"
 addedRelays: "المرحلات المضافة"
 serviceworkerInfo: "يجب أن يفعل لإرسال الإشعارات."
 deletedNote: "ملاحظة محذوفة"
@ -533,6 +534,8 @@ enablePlayer: "افتح مشغل الفيديو"
 disablePlayer: "أغلق مشغل الفيديو"
 themeEditor: "مصمم القوالب"
 description: "الوصف"
+describeFile: "أضف تعليقًا توضيحيًا"
+enterFileDescription: "أدخل تعليقًا توضيحيًا"
 author: "الكاتب"
 leaveConfirm: "لديك تغييرات غير محفوظة. أتريد المتابعة دون حفظها؟"
 manage: "إدارة "
@ -564,6 +567,9 @@ smtpPass: "الكلمة السرية"
 emptyToDisableSmtpAuth: "اترك اسم المستخدم وكلمة المرور فارغين لتعطيل التحقق من SMTP"
 smtpSecureInfo: "عطل هذا الخيار عند استخدام STARTTLS"
 wordMute: "حظر الكلمات"
+regexpError: "خطأ في التعبير النمطي"
+instanceMute: "المثلاء المكتومون"
+userSaysSomething: "كتب {name} شيءً"
 makeActive: "تفعيل"
 display: "المظهر"
 copy: "نسخ"
@ -590,10 +596,16 @@ reportAbuse: "أبلغ"
 reportAbuseOf: "أبلغ عن {name}"
 fillAbuseReportDescription: "أكتب بالتفصيل سبب البلاغ، إذا كنت تبلغ عن ملاحظة أرفق رابط لها."
 abuseReported: "أُرسل البلاغ، شكرًا لك"
+reporter: "المُبلّغ"
+reporteeOrigin: "أصل البلاغ"
+reporterOrigin: "أصل المُبلّغ"
+forwardReport: "وجّه البلاغ إلى المثيل البعيد"
+forwardReportIsAnonymous: "في المثيل البعيد سيظهر المبلّغ كحساب مجهول."
 send: "أرسل"
 abuseMarkAsResolved: "علّم البلاغ كمحلول"
 openInNewTab: "افتح في لسان جديد"
 defaultNavigationBehaviour: "سلوك الملاحة الافتراضي"
+editTheseSettingsMayBreakAccount: "تعديل هذه الإعدادات قد يسبب عطبًا لحسابك"
 instanceTicker: "معلومات المثيل الأصلي للملاحظات"
 waitingFor: "في انتظار {x}"
 random: "عشوائي"
@ -624,10 +636,15 @@ no: "لا"
 driveFilesCount: "عدد الملفات في قرص التخزين"
 driveUsage: "المستغل من قرص التخزين"
 noCrawleDescription: "يطلب من محركات البحث ألّا يُفهرسوا ملفك الشخصي وملاحظات وصفحاتك وما شابه."
+alwaysMarkSensitive: "علّم افتراضيًا جميع ملاحظاتي كذات محتوى حساس"
+loadRawImages: "حمّل الصور الأصلية بدلًا من المصغرات"
 disableShowingAnimatedImages: "لا تشغّل الصور المتحركة"
+verificationEmailSent: "أُرسل بريد التحقق. أنقر على الرابط المضمن لإكمال التحقق."
 notSet: "لم يعيّن"
 emailVerified: "تُحقّق من بريدك الإلكتروني"
 noteFavoritesCount: "عدد الملاحظات المفضلة"
+pageLikesCount: "عدد الصفحات التي أعجبت بها"
+pageLikedCount: "عدد صفحاتك المُعجب بها"
 contact: "التواصل"
 useSystemFont: "استخدم الخط الافتراضية للنظام"
 clips: "مشابك"
@ -635,6 +652,7 @@ experimentalFeatures: "ميّزات اختبارية"
 developer: "المطور"
 makeExplorable: "أظهر الحساب في صفحة \"استكشاف\""
 makeExplorableDescription: "بتعطيل هذا الخيار لن يظهر حسابك في صفحة \"استكشاف\""
+showGapBetweenNotesInTimeline: "أظهر فجوات بين المشاركات في الخيط الزمني"
 wide: "عريض"
 narrow: "رفيع"
 reloadToApplySetting: "سيُطبق هذا الإعداد بعد إعادة تحميل الصفحة، أتريد إعادة تحميلها الآن؟"
@ -782,6 +800,7 @@ tenMinutes: "10 دقائق"
 oneHour: "ساعة"
 oneDay: "يوم"
 oneWeek: "أسبوع"
+failedToFetchAccountInformation: "تعذر جلب معلومات الحساب"
 _emailUnavailable:
  used: "هذا البريد الإلكتروني مستخدم"
  format: "صيغة البريد الإلكتروني غير صالحة"
@ -860,6 +879,7 @@ _mfm:
  centerDescription: "يمركز المحتوى في الوَسَط."
  quote: "اقتبس"
  emoji: "إيموجي مخصص"
+  emojiDescription: "إحاطة اسم الإيموجي بنقطتي تفسير سيستبدله بصورة الإيموجي."
  search: "البحث"
  flip: "اقلب"
  flipDescription: "يقلب المحتوى عموديًا أو أفقيًا"
@ -871,15 +891,28 @@ _mfm:
  jumpDescription: "يمنح للمحتوى حركة قفز."
  bounce: "تأثير (ارتداد)"
  bounceDescription: "يمنح للمحتوى حركة ارتدادية"
+  shake: "تأثير (اهتزاز)"
+  shakeDescription: "يمنح المحتوى حركة اهتزازية."
+  spin: "تأثير (دوران)"
+  spinDescription: "يمنح المحتوى حركة دورانية."
  x2: "كبير"
+  x2Description: "يُكبر المحتوى"
  x3: "كبير جداً"
+  x3Description: "يُضخم المحتوى"
+  x4: "هائل"
+  x4Description: "يُضخم المحتوى أكثر مما سبق."
  blur: "طمس"
+  blurDescription: "يطمس المحتوى، لكن بالتمرير فوقه سيظهر بوضوح."
  font: "الخط"
+  fontDescription: "الخط المستخدم لعرض المحتوى."
  rainbow: "قوس قزح"
  rainbowDescription: "اجعل المحتوى يظهر بألوان الطيف"
  rotate: "تدوير"
+  rotateDescription: "يُدير المحتوى بزاوية معيّنة."
 _instanceTicker:
+  none: "لا تظهره بتاتًا"
  remote: "أظهر للمستخدمين البِعاد"
+  always: "أظهره دائمًا"
 _serverDisconnectedBehavior:
  reload: "إعادة تحميل تلقائية"
  dialog: "أظهر مربع حوار التحذيرات"
@ -899,12 +932,18 @@ _menuDisplay:
  hide: "إخفاء"
 _wordMute:
  muteWords: "الكلمات المحظورة"
+  muteWordsDescription: "افصل بينهم بمسافة لاستخدام معامل \"و\" أو بسطر لاستخدام معامل \"أو\"."
  muteWordsDescription2: "احصر الكلمات المفتاحية بين بين شرطتين مائلتين لاستخدامها كتعابير نمطية"
  softDescription: "اخف الملاحظات التي تستوف الشروط من الخيط الزمني."
  hardDescription: "اخف الملاحظات التي تستوف الشروط من الخيط الزمني.بالإضافة إلى أن هذه الملاحظات ستبقى مخفية حتى وإن تغيرت الشروط."
  soft: "لينة"
  hard: "قاسية"
  mutedNotes: "الملاحظات المكتومة"
+_instanceMute:
+  instanceMuteDescription: "هذه سيحجب كل ملاحظات الخوادم المحجوبة ومشاركاتها والردود على تلك الملاحظات حتى وإن كانت من خادم غير محجوب."
+  instanceMuteDescription2: "مدخلة لكل سطر"
+  title: "يخفي ملاحظات الخوادم المسرودة."
+  heading: "قائمة الخوادم المحجوبة"
 _theme:
  explore: "استكشف قوالب المظهر"
  install: "تنصيب قالب"
@ -1198,6 +1237,8 @@ _pages:
  font: "الخط"
  fontSerif: "Serif"
  fontSansSerif: "Sans Serif"
+  eyeCatchingImageSet: "عيّن صورة مصغّرة"
+  eyeCatchingImageRemove: "احذف صورة مصغّرة"
  chooseBlock: "إضافة كتلة"
  selectType: "اختر النوع"
  enterVariableName: "أدخل اسم المتغيّر"
@ -1458,6 +1499,7 @@ _notification:
    pollVote: "مصوِت شارك في الاستطلاع"
    receiveFollowRequest: "طلبات المتابعة المتلقاة"
    followRequestAccepted: "طلبات المتابعة المقبولة"
+    groupInvited: "دعوات الفريق"
    app: "إشعارات التطبيقات المرتبطة"
 _deck:
  alwaysShowMainColumn: "أظهر العمود الرئيسي دائمًا"
--- a/locales/bn-BD.yml
+++ b/locales/bn-BD.yml
@ -832,6 +832,10 @@ size: "আকার"
 numberOfColumn: "কলামের সংখ্যা"
 searchByGoogle: "গুগল"
 indefinitely: "অনির্দিষ্ট"
+tenMinutes: "১০ মিনিট"
+oneHour: "১ ঘণ্টা"
+oneDay: "একদিন"
+oneWeek: "এক সপ্তাহ"
 _emailUnavailable:
  used: "এই ইমেইল ঠিকানাটি ইতোমধ্যে ব্যবহৃত হয়েছে"
  format: "এই ইমেল ঠিকানাটি সঠিকভাবে লিখা হয়নি"
--- a/locales/de-DE.yml
+++ b/locales/de-DE.yml
@ -478,8 +478,8 @@ promote: "Werbung schalten"
 numberOfDays: "Anzahl der Tage"
 hideThisNote: "Diese Notiz verstecken"
 showFeaturedNotesInTimeline: "Beliebte Notizen in der Chronik anzeigen"
-objectStorage: "Objektspeicher"
-useObjectStorage: "Objektspeicher verwenden"
+objectStorage: "Object Storage"
+useObjectStorage: "Object Storage verwenden"
 objectStorageBaseUrl: "Basis-URL"
 objectStorageBaseUrlDesc: "Die als Referenz verwendete URL. Verwendest du einen CDN oder Proxy, gib dessen URL an. Für S3 verwende 'https://<bucket>.s3.amazonaws.com'. Für GCS o.ä. verwende 'https://storage.googleapis.com/<bucket>'."
 objectStorageBucket: "Bucket"
@ -827,7 +827,7 @@ overridedDeviceKind: "Gerätetyp"
 smartphone: "Smartphone"
 tablet: "Tablet"
 auto: "Automatisch"
-themeColor: "Instanzfarbe"
+themeColor: "Farbe der Instanz-Information"
 size: "Größe"
 numberOfColumn: "Spaltenanzahl"
 searchByGoogle: "Googlen"
@ -840,6 +840,8 @@ tenMinutes: "10 Minuten"
 oneHour: "Eine Stunde"
 oneDay: "Einen Tag"
 oneWeek: "Eine Woche"
+reflectMayTakeTime: "Es kann etwas dauern, bis sich dies widerspiegelt."
+failedToFetchAccountInformation: "Benutzerkontoinformationen konnten nicht abgefragt werden"
 _emailUnavailable:
  used: "Diese Email-Adresse wird bereits verwendet"
  format: "Das Format dieser Email-Adresse ist ungültig"
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@ -827,7 +827,7 @@ overridedDeviceKind: "Device type"
 smartphone: "Smartphone"
 tablet: "Tablet"
 auto: "Auto"
-themeColor: "Theme Color"
+themeColor: "Instance Ticker Color"
 size: "Size"
 numberOfColumn: "Number of columns"
 searchByGoogle: "Google"
@ -840,6 +840,8 @@ tenMinutes: "10 minutes"
 oneHour: "One hour"
 oneDay: "One day"
 oneWeek: "One week"
+reflectMayTakeTime: "It may take some time for this to be reflected."
+failedToFetchAccountInformation: "Could not fetch account information"
 _emailUnavailable:
  used: "This email address is already being used"
  format: "The format of this email address is invalid"
--- a/locales/eo-UY.yml
+++ b/locales/eo-UY.yml
--- a/locales/fr-FR.yml
+++ b/locales/fr-FR.yml
@ -1216,7 +1216,7 @@ _poll:
  votesCount: "{n} votes"
  totalVotes: "{n} votes au total"
  vote: "Voter"
-  showResult: "Voir les résultats"
+  showResult: "Voir résultats"
  voted: "Déjà voté"
  closed: "Terminé"
  remainingDays: "{d} jours, {h} heures restantes"
--- a/locales/id-ID.yml
+++ b/locales/id-ID.yml
@ -592,6 +592,7 @@ smtpSecure: "Gunakan SSL/TLS implisit untuk koneksi SMTP"
 smtpSecureInfo: "Matikan ini ketika menggunakan STARTTLS"
 testEmail: "Tes pengiriman surel"
 wordMute: "Bisukan kata"
+regexpError: "Kesalahan ekspresi reguler"
 instanceMute: "Bisuka instansi"
 userSaysSomething: "{name} mengatakan sesuatu"
 makeActive: "Aktifkan"
@ -825,8 +826,20 @@ overridedDeviceKind: "Tipe perangkat"
 smartphone: "Ponsel"
 tablet: "Tablet"
 auto: "Otomatis"
+themeColor: "Warna Tema"
+size: "Ukuran"
+numberOfColumn: "Jumlah per kolom"
 searchByGoogle: "Penelusuran"
+instanceDefaultLightTheme: "Bawaan instan tema terang"
+instanceDefaultDarkTheme: "Bawaan instan tema gelap"
+instanceDefaultThemeDescription: "Masukkan kode tema di format obyek."
+mutePeriod: "Batas waktu bisu"
 indefinitely: "Selamanya"
+tenMinutes: "10 Menit"
+oneHour: "1 Jam"
+oneDay: "1 Hari"
+oneWeek: "1 Bulan"
+failedToFetchAccountInformation: "Gagal untuk mendapatkan informasi akun"
 _emailUnavailable:
  used: "Alamat surel ini telah digunakan"
  format: "Format tidak valid."
@ -1599,6 +1612,7 @@ _notification:
  youReceivedFollowRequest: "Kamu menerima permintaan mengikuti"
  yourFollowRequestAccepted: "Permintaan mengikuti kamu telah diterima"
  youWereInvitedToGroup: "Telah diundang ke grup"
+  pollEnded: "Hasil Kuesioner telah keluar"
  _types:
    all: "Semua"
    follow: "Ikuti"
@ -1608,6 +1622,7 @@ _notification:
    quote: "Kutip"
    reaction: "Reaksi"
    pollVote: "Memilih di angket"
+    pollEnded: "Jajak pendapat berakhir"
    receiveFollowRequest: "Permintaan mengikuti diterima"
    followRequestAccepted: "Permintaan mengikuti disetujui"
    groupInvited: "Diundang ke grup"
--- a/locales/index.js
+++ b/locales/index.js
@ -19,7 +19,6 @@ const languages = [
 	'da-DK',
 	'de-DE',
 	'en-US',
-	'eo-UY',
 	'es-ES',
 	'fr-FR',
 	'id-ID',
--- a/locales/nl-NL.yml
+++ b/locales/nl-NL.yml
@ -119,6 +119,23 @@ unblock: "Deblokkeren"
 suspend: "Opschorten"
 unsuspend: "Heractiveren"
 blockConfirm: "Weet je zeker dat je dit account wil blokkeren?"
+unblockConfirm: "Ben je zeker dat je deze account wil blokkeren?"
+suspendConfirm: "Ben je zeker dat je deze account wil suspenderen?"
+unsuspendConfirm: "Ben je zeker dat je deze account wil opnieuw aanstellen?"
+flagAsBot: "Markeer dit account als een robot."
+flagAsBotDescription: "Als dit account van een programma wordt beheerd, zet deze vlag aan. Het aanzetten helpt andere ontwikkelaars om bijvoorbeeld onbedoelde feedback loops te doorbreken of om Misskey meer geschikt te maken."
+flagAsCat: "Markeer dit account als een kat."
+flagAsCatDescription: "Zet deze vlag aan als je wilt aangeven dat dit account een kat is."
+flagShowTimelineReplies: "Toon antwoorden op de tijdlijn."
+flagShowTimelineRepliesDescription: "Als je dit vlag aanzet, toont de tijdlijn ook antwoorden op andere en niet alleen jouw eigen notities."
+autoAcceptFollowed: "Accepteer verzoeken om jezelf te volgen vanzelf als je de verzoeker al volgt."
+addAccount: "Account toevoegen"
+loginFailed: "Aanmelding mislukt."
+showOnRemote: "Toon op de externe instantie."
+general: "Algemeen"
+wallpaper: "Achtergrond"
+setWallpaper: "Achtergrond instellen"
+removeWallpaper: "Achtergrond verwijderen"
 searchWith: "Zoeken: {q}"
 youHaveNoLists: "Je hebt geen lijsten"
 followConfirm: "Weet je zeker dat je {name} wilt volgen?"
@ -205,6 +222,8 @@ resetAreYouSure: "Resetten?"
 saved: "Opgeslagen"
 messaging: "Chat"
 upload: "Uploaden"
+keepOriginalUploading: "Origineel beeld behouden."
+keepOriginalUploadingDescription: "Bewaar de originele versie bij het uploaden van afbeeldingen. Indien uitgeschakeld, wordt bij het uploaden een alternatieve versie voor webpublicatie genereert."
 fromDrive: "Van schijf"
 fromUrl: "Van  URL"
 uploadFromUrl: "Uploaden vanaf een URL"
@ -245,9 +264,36 @@ renameFile: "Wijzig bestandsnaam"
 folderName: "Mapnaam"
 createFolder: "Map aanmaken"
 renameFolder: "Map hernoemen"
+deleteFolder: "Map verwijderen"
+addFile: "Bestand toevoegen"
+emptyDrive: "Jouw Drive is leeg."
+emptyFolder: "Deze map is leeg"
+unableToDelete: "Kan niet worden verwijderd"
+inputNewFileName: "Voer een nieuwe naam in"
+copyUrl: "URL kopiëren"
+rename: "Hernoemen"
+avatar: "Avatar"
+banner: "Banner"
 nsfw: "NSFW"
+whenServerDisconnected: "Wanneer de verbinding met de server wordt onderbroken"
+disconnectedFromServer: "Verbinding met de server onderbroken."
+inMb: "in megabytes"
 pinnedNotes: "Vastgemaakte notitie"
 userList: "Lijsten"
+aboutMisskey: "Over Misskey"
+administrator: "Beheerder"
+token: "Token"
+securityKeyName: "Sleutelnaam"
+registerSecurityKey: "Zekerheids-Sleutel registreren"
+lastUsed: "Laatst gebruikt"
+unregister: "Uitschrijven"
+passwordLessLogin: "Inloggen zonder wachtwoord"
+resetPassword: "Wachtwoord terugzetten"
+newPasswordIs: "Het nieuwe wachtwoord is „{password}”."
+reduceUiAnimation: "Verminder beweging in de UI"
+share: "Delen"
+notFound: "Niet gevonden"
+cacheClear: "Cache verwijderen"
 smtpHost: "Server"
 smtpUser: "Gebruikersnaam"
 smtpPass: "Wachtwoord"
--- a/locales/pt-PT.yml
+++ b/locales/pt-PT.yml
@ -1,6 +1,7 @@
 ---
 _lang_: "Português"
 headlineMisskey: "Rede conectada por notas"
+introMisskey: "Bem-vindo! Misskey é um serviço de microblogue descentralizado de código aberto.\nCria \"notas\" e partilha o que te ocorre com todos à tua volta. 📡\nCom \"reações\" podes também expressar logo o que sentes às notas de todos. 👍\nExploremos um novo mundo! 🚀"
 monthAndDay: "{day}/{month}"
 search: "Pesquisar"
 notifications: "Notificações"
@ -22,6 +23,7 @@ otherSettings: "Outras configurações"
 openInWindow: "Abrir numa janela"
 profile: "Perfil"
 timeline: "Timeline"
+noAccountDescription: "Este usuário não tem uma descrição."
 login: "Iniciar sessão"
 loggingIn: "Iniciando sessão…"
 logout: "Sair"
@ -29,8 +31,12 @@ signup: "Registrar-se"
 uploading: "Enviando…"
 save: "Guardar"
 users: "Usuários"
+addUser: "Adicionar usuário"
 favorite: "Favoritar"
 favorites: "Favoritar"
+unfavorite: "Remover dos favoritos"
+favorited: "Adicionado aos favoritos."
+alreadyFavorited: "Já adicionado aos favoritos."
 showMore: "Ver mais"
 youGotNewFollower: "Você tem um novo seguidor"
 followRequestAccepted: "Pedido de seguir aceito"
--- a/locales/ro-RO.yml
+++ b/locales/ro-RO.yml
@ -449,6 +449,56 @@ groupInvited: "Ai fost invitat într-un grup"
 aboutX: "Despre {x}"
 useOsNativeEmojis: "Folosește emojiuri native OS-ului"
 disableDrawer: "Nu folosi meniuri în stil sertar"
+youHaveNoGroups: "Nu ai niciun grup"
+joinOrCreateGroup: "Primește o invitație într-un grup sau creează unul nou."
+noHistory: "Nu există istoric"
+signinHistory: "Istoric autentificări"
+disableAnimatedMfm: "Dezactivează MFM cu animații"
+doing: "Se procesează..."
+category: "Categorie"
+tags: "Etichete"
+docSource: "Sursa acestui document"
+createAccount: "Creează un cont"
+existingAccount: "Cont existent"
+regenerate: "Regenerează"
+fontSize: "Mărimea fontului"
+noFollowRequests: "Nu ai nicio cerere de urmărire în așteptare"
+openImageInNewTab: "Deschide imaginile în taburi noi"
+dashboard: "Panou de control"
+local: "Local"
+remote: "Extern"
+total: "Total"
+weekOverWeekChanges: "Schimbări până săptămâna trecută"
+dayOverDayChanges: "Schimbări până ieri"
+appearance: "Aspect"
+clientSettings: "Setări client"
+accountSettings: "Setări cont"
+promotion: "Promovat"
+promote: "Promovează"
+numberOfDays: "Numărul zilelor"
+hideThisNote: "Ascunde această notă"
+showFeaturedNotesInTimeline: "Arată notele recomandate în cronologii"
+objectStorage: "Object Storage"
+useObjectStorage: "Folosește Object Storage"
+objectStorageBaseUrl: "URL de bază"
+objectStorageBaseUrlDesc: "URL-ul este folosit pentru referință. Specifică URL-ul CDN-ului sau Proxy-ului tău dacă folosești unul. Pentru S3 folosește 'https://<bucket>.s3.amazonaws.com' și pentru GCS sau servicii echivalente folosește 'https://storage.googleapis.com/<bucket>', etc."
+objectStorageBucket: "Bucket"
+objectStorageBucketDesc: "Te rog specifică numele bucket-ului furnizorului tău."
+objectStoragePrefix: "Prefix"
+objectStoragePrefixDesc: "Fișierele vor fi stocate sub directoare cu acest prefix."
+objectStorageEndpoint: "Endpoint"
+objectStorageEndpointDesc: "Lasă acest câmp gol dacă folosești AWS S3, dacă nu specifică endpoint-ul ca '<host>' sau '<host>:<port>', depinzând de ce serviciu folosești."
+objectStorageRegion: "Regiune"
+objectStorageRegionDesc: "Specifică o regiune precum 'xx-east-1'. Dacă serviciul tău nu face distincția între regiuni lasă acest câmp gol sau introdu 'us-east-1'."
+objectStorageUseSSL: "Folosește SSl"
+objectStorageUseSSLDesc: "Oprește această opțiune dacă nu vei folosi HTTPS pentru conexiunile API-ului"
+objectStorageUseProxy: "Conectează-te prin Proxy"
+objectStorageUseProxyDesc: "Oprește această opțiune dacă vei nu folosi un Proxy pentru conexiunile API-ului"
+objectStorageSetPublicRead: "Setează \"public-read\" pentru încărcare"
+serverLogs: "Loguri server"
+deleteAll: "Șterge tot"
+showFixedPostForm: "Arată caseta de postare în vârful cronologie"
+newNoteRecived: "Sunt note noi"
 sounds: "Sunete"
 listen: "Ascultă"
 none: "Nimic"
@ -471,12 +521,54 @@ sort: "Sortează"
 ascendingOrder: "Crescător"
 descendingOrder: "Descrescător"
 scratchpad: "Scratchpad"
+scratchpadDescription: "Scratchpad-ul oferă un mediu de experimentare în AiScript. Poți scrie, executa și verifica rezultatele acestuia interacționând cu Misskey în el."
+output: "Ieșire"
+script: "Script"
+disablePagesScript: "Dezactivează AiScript în Pagini"
+updateRemoteUser: "Actualizează informațiile utilizatorului extern"
+deleteAllFiles: "Șterge toate fișierele"
+deleteAllFilesConfirm: "Ești sigur că vrei să ștergi toate fișierele?"
+removeAllFollowing: "Dezurmărește toți utilizatorii urmăriți"
+removeAllFollowingDescription: "Asta va dez-urmări toate conturile din {host}. Te rog execută asta numai dacă instanța, de ex., nu mai există."
+userSuspended: "Acest utilizator a fost suspendat."
+userSilenced: "Acest utilizator a fost setat silențios."
+yourAccountSuspendedTitle: "Acest cont a fost suspendat"
+yourAccountSuspendedDescription: "Acest cont a fost suspendat din cauza încălcării termenilor de serviciu al serverului sau ceva similar. Contactează administratorul dacă ai dori să afli un motiv mai detaliat. Te rog nu crea un cont nou."
+menu: "Meniu"
+divider: "Separator"
+addItem: "Adaugă element"
+relays: "Relee"
+addRelay: "Adaugă Releu"
+inboxUrl: "URL-ul inbox-ului"
+addedRelays: "Relee adăugate"
+serviceworkerInfo: "Trebuie să fie activat pentru notificări push."
+deletedNote: "Notă ștearsă"
+invisibleNote: "Note ascunse"
+enableInfiniteScroll: "Încarcă mai mult automat"
+visibility: "Vizibilitate"
+poll: "Sondaj"
+useCw: "Ascunde conținutul"
+enablePlayer: "Deschide player-ul video"
+disablePlayer: "Închide player-ul video"
+expandTweet: "Expandează tweet"
+themeEditor: "Editor de teme"
+description: "Descriere"
+describeFile: "Adaugă titrări"
+enterFileDescription: "Introdu titrările"
+author: "Autor"
+leaveConfirm: "Ai schimbări nesalvate. Vrei să renunți la ele?"
+manage: "Gestionare"
+plugins: "Pluginuri"
+deck: "Deck"
+undeck: "Părăsește Deck"
+useBlurEffectForModal: "Folosește efect de blur pentru modale"
 smtpHost: "Gazdă"
 smtpUser: "Nume de utilizator"
 smtpPass: "Parolă"
 clearCache: "Golește cache-ul"
 info: "Despre"
 user: "Utilizatori"
+administration: "Gestionare"
 searchByGoogle: "Caută"
 _email:
  _follow:
@ -487,9 +579,11 @@ _mfm:
  emoji: "Emoji personalizat"
  search: "Caută"
 _theme:
+  description: "Descriere"
  keys:
    mention: "Mențiune"
    renote: "Re-notează"
+    divider: "Separator"
 _sfx:
  note: "Note"
  notification: "Notificări"
--- a/locales/sk-SK.yml
+++ b/locales/sk-SK.yml
@ -839,6 +839,8 @@ tenMinutes: "10 minút"
 oneHour: "1 hodina"
 oneDay: "1 deň"
 oneWeek: "1 týždeň"
+reflectMayTakeTime: "Zmeny môžu chvíľu trvať kým sa prejavia."
+failedToFetchAccountInformation: "Nepodarilo sa načítať informácie o účte."
 _emailUnavailable:
  used: "Táto emailová adresa sa už používa"
  format: "Formát emailovej adresy je nesprávny"
--- a/locales/zh-CN.yml
+++ b/locales/zh-CN.yml
@ -8,12 +8,12 @@ notifications: "通知"
 username: "用户名"
 password: "密码"
 forgotPassword: "忘记密码"
-fetchingAsApObject: "联合查询"
+fetchingAsApObject: "在联邦宇宙查询中..."
 ok: "OK"
 gotIt: "我明白了"
 cancel: "取消"
 enterUsername: "输入用户名"
-renotedBy: "由 {user} 转推"
+renotedBy: "由 {user} 转贴"
 noNotes: "没有帖文"
 noNotifications: "无通知"
 instance: "实例"
@ -69,7 +69,7 @@ exportRequested: "导出请求已提交，这可能需要花一些时间，导
 importRequested: "导入请求已提交，这可能需要花一点时间。"
 lists: "列表"
 noLists: "列表为空"
-note: "帖子"
+note: "发帖"
 notes: "帖子"
 following: "关注中"
 followers: "关注者"
@ -85,7 +85,7 @@ serverIsDead: "服务器没有响应。 请稍等片刻，然后重试。"
 youShouldUpgradeClient: "请重新加载并使用新版本的客户端查看此页面。"
 enterListName: "输入列表名称"
 privacy: "隐私"
-makeFollowManuallyApprove: "关注者的关注请求需要批准"
+makeFollowManuallyApprove: "关注请求需要批准"
 defaultNoteVisibility: "默认可见性"
 follow: "关注"
 followRequest: "关注申请"
@ -143,7 +143,7 @@ flagAsCat: "将这个账户设定为一只猫"
 flagAsCatDescription: "如果您想表明此帐户是一只猫，请打开此标志。"
 flagShowTimelineReplies: "在时间线上显示帖子的回复"
 flagShowTimelineRepliesDescription: "启用时，时间线除了显示用户的帖子外，还会显示其他用户对帖子的回复。"
-autoAcceptFollowed: "自动允许关注"
+autoAcceptFollowed: "自动允许关注者的关注"
 addAccount: "添加账户"
 loginFailed: "登录失败"
 showOnRemote: "转到所在实例显示"
@ -162,7 +162,7 @@ recipient: "收件人"
 annotation: "注解"
 federation: "联合"
 instances: "实例"
-registeredAt: "初次观察"
+registeredAt: "初次观测"
 latestRequestSentAt: "上次发送的请求"
 latestRequestReceivedAt: "上次收到的请求"
 latestStatus: "最后状态"
@ -254,7 +254,7 @@ agreeTo: "{0}人同意"
 tos: "服务条款"
 start: "开始"
 home: "首页"
-remoteUserCaution: "由于是远程用户，信息不完整。"
+remoteUserCaution: "由于此用户来自其它实例，显示的信息可能不完整。"
 activity: "活动"
 images: "图片"
 birthday: "生日"
@ -372,7 +372,7 @@ recentlyUpdatedUsers: "最近投稿的用户"
 recentlyRegisteredUsers: "最近登录的用户"
 recentlyDiscoveredUsers: "最近发现的用户"
 exploreUsersCount: "有{count}个用户"
-exploreFediverse: "探索Fediverse"
+exploreFediverse: "探索联邦宇宙"
 popularTags: "热门标签"
 userList: "列表"
 about: "关于"
@ -561,7 +561,7 @@ manage: "管理"
 plugins: "插件"
 deck: "Deck"
 undeck: "取消Deck"
-useBlurEffectForModal: "模态框使用模糊效果"
+useBlurEffectForModal: "对话框使用模糊效果"
 useFullReactionPicker: "使用全功能的回应工具栏"
 width: "宽度"
 height: "高度"
@ -840,6 +840,8 @@ tenMinutes: "10分钟"
 oneHour: "1小时"
 oneDay: "1天"
 oneWeek: "1周"
+reflectMayTakeTime: "可能需要一些时间才能体现出效果。"
+failedToFetchAccountInformation: "获取账户信息失败"
 _emailUnavailable:
  used: "已经被使用过"
  format: "无效的格式"
@ -904,7 +906,7 @@ _nsfw:
 _mfm:
  cheatSheet: "MFM代码速查表"
  intro: "MFM是一种在Misskey中的各个位置使用的专用标记语言。在这里您可以看到MFM中可用的语法列表。"
-  dummy: "通过Misskey扩展Fediverse的世界"
+  dummy: "通过Misskey扩展联邦宇宙的世界"
  mention: "提及"
  mentionDescription: "可以使用 @+用户名 来指示特定用户"
  hashtag: "话题标签"
@ -967,7 +969,7 @@ _mfm:
  rotateDescription: "旋转指定的角度。"
 _instanceTicker:
  none: "不显示"
-  remote: "仅显示远程用户的"
+  remote: "仅远程用户"
  always: "始终显示"
 _serverDisconnectedBehavior:
  reload: "自动重载"
@ -1051,7 +1053,7 @@ _theme:
    mention: "提及"
    mentionMe: "提及"
    renote: "转发"
-    modalBg: "模态框背景"
+    modalBg: "对话框背景"
    divider: "分割线"
    scrollbarHandle: "滚动条"
    scrollbarHandleHover: "滚动条（悬停）"
@ -1238,7 +1240,7 @@ _visibility:
  publicDescription: "您的帖子将出现在全局时间线上"
  home: "首页"
  homeDescription: "仅发送至首页的时间线"
-  followers: "关注者"
+  followers: "仅关注者"
  followersDescription: "仅发送至关注者"
  specified: "指定用户"
  specifiedDescription: "仅发送至指定用户"
--- a/locales/zh-TW.yml
+++ b/locales/zh-TW.yml
@ -81,6 +81,8 @@ somethingHappened: "發生錯誤"
 retry: "重試"
 pageLoadError: "載入頁面失敗"
 pageLoadErrorDescription: "這通常是因為網路錯誤或是瀏覽器快取殘留的原因。請先清除瀏覽器快取，稍後再重試"
+serverIsDead: "伺服器沒有回應。請稍等片刻，然後重試。"
+youShouldUpgradeClient: "請重新載入以使用新版本的客戶端顯示此頁面"
 enterListName: "輸入清單名稱"
 privacy: "隱私"
 makeFollowManuallyApprove: "手動審核追隨請求"
@ -104,6 +106,7 @@ clickToShow: "按一下以顯示"
 sensitive: "敏感內容"
 add: "新增"
 reaction: "情感"
+reactionSetting: "在選擇器中顯示反應"
 reactionSettingDescription2: "拖動以重新列序，點擊以刪除，按下 + 添加。"
 rememberNoteVisibility: "記住貼文可見性"
 attachCancel: "移除附件"
@ -138,6 +141,7 @@ flagAsBot: "此使用者是機器人"
 flagAsBotDescription: "如果本帳戶是由程式控制，請啟用此選項。啟用後，會作為標示幫助其他開發者防止機器人之間產生無限互動的行為，並會調整Misskey內部系統將本帳戶識別為機器人"
 flagAsCat: "此使用者是貓"
 flagAsCatDescription: "如果想將本帳戶標示為一隻貓，請開啟此標示"
+flagShowTimelineReplies: "在時間軸上顯示貼文的回覆"
 autoAcceptFollowed: "自動追隨中使用者的追隨請求"
 addAccount: "添加帳戶"
 loginFailed: "登入失敗"
@ -599,6 +603,9 @@ reportAbuse: "檢舉"
 reportAbuseOf: "檢舉{name}"
 fillAbuseReportDescription: "請填寫檢舉的詳細理由。可以的話，請附上針對的URL網址。"
 abuseReported: "回報已送出。感謝您的報告。"
+reporter: "檢舉者"
+reporteeOrigin: "檢舉來源"
+reporterOrigin: "檢舉者來源"
 send: "發送"
 abuseMarkAsResolved: "處理完畢"
 openInNewTab: "在新分頁中開啟"
@ -734,6 +741,7 @@ postToGallery: "發佈到相簿"
 gallery: "相簿"
 recentPosts: "最新貼文"
 popularPosts: "熱門的貼文"
+shareWithNote: "在貼文中分享"
 ads: "廣告"
 expiration: "期限"
 memo: "備忘錄"
@ -743,14 +751,35 @@ middle: "中"
 low: "低"
 emailNotConfiguredWarning: "沒有設定電子郵件地址"
 ratio: "%"
+previewNoteText: "預覽文本"
+customCss: "自定義 CSS"
 global: "公開"
 sent: "發送"
+received: "收取"
+searchResult: "搜尋結果"
 hashtags: "#tag"
+troubleshooting: "故障排除"
+useBlurEffect: "在 UI 上使用模糊效果"
+misskeyUpdated: "Misskey 更新完成！"
+translate: "翻譯"
+translatedFrom: "從 {x} 翻譯"
+accountDeletionInProgress: "正在刪除帳戶"
+pubSub: "Pub/Sub 帳戶"
+resolved: "已解決"
+unresolved: "未解決"
+breakFollow: "移除追蹤者"
 hide: "隱藏"
+leaveGroupConfirm: "確定離開「{name}」？"
+auto: "自動"
 searchByGoogle: "搜尋"
 indefinitely: "無期限"
 _ffVisibility:
  public: "發佈"
+  private: "私密"
+_signup:
+  almostThere: "即將完成"
+_accountDelete:
+  inProgress: "正在刪除"
 _ad:
  back: "返回"
  reduceFrequencyOfThisAd: "降低此廣告的頻率 "
--- a/package.json
+++ b/package.json
@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "12.108.1",
+	"version": "12.110.0",
 	"codename": "indigo",
 	"repository": {
 		"type": "git",
@ -30,8 +30,6 @@
 		"cleanall": "npm run clean-all"
 	},
 	"dependencies": {
-		"@types/gulp": "4.0.9",
-		"@types/gulp-rename": "2.0.1",
 		"execa": "5.1.1",
 		"gulp": "4.0.2",
 		"gulp-cssnano": "2.1.3",
@ -41,9 +39,11 @@
 		"js-yaml": "4.1.0"
 	},
 	"devDependencies": {
-		"@typescript-eslint/parser": "5.16.0",
+		"@types/gulp": "4.0.9",
+		"@types/gulp-rename": "2.0.1",
+		"@typescript-eslint/parser": "5.18.0",
 		"cross-env": "7.0.3",
-		"cypress": "9.5.2",
+		"cypress": "9.5.3",
 		"start-server-and-test": "1.14.0",
 		"typescript": "4.6.3"
 	}
--- a/packages/backend/.eslintrc.cjs
+++ b/packages/backend/.eslintrc.cjs
@ -0,0 +1,21 @@
+module.exports = {
+	parserOptions: {
+		tsconfigRootDir: __dirname,
+		project: ['./tsconfig.json'],
+	},
+	extends: [
+		'../shared/.eslintrc.js',
+	],
+	rules: {
+		'import/order': ['warn', {
+			'groups': ['builtin', 'external', 'internal', 'parent', 'sibling', 'index', 'object', 'type'],
+			'pathGroups': [
+				{
+					'pattern': '@/**',
+					'group': 'external',
+					'position': 'after'
+				}
+			],
+		}]
+	},
+};
--- a/packages/backend/.eslintrc.js
+++ b/packages/backend/.eslintrc.js
@ -1,9 +0,0 @@
-module.exports = {
-	parserOptions: {
-		tsconfigRootDir: __dirname,
-		project: ['./tsconfig.json'],
-	},
-	extends: [
-		'../shared/.eslintrc.js',
-	],
-};
--- a/packages/backend/.vscode/settings.json
+++ b/packages/backend/.vscode/settings.json
@ -2,5 +2,9 @@
 	"typescript.tsdk": "node_modules\\typescript\\lib",
 	"path-intellisense.mappings": {
 		"@": "${workspaceRoot}/packages/backend/src/"
+	},
+	"editor.formatOnSave": true,
+	"editor.codeActionsOnSave": {
+		"source.fixAll": true
 	}
 }
--- a/packages/backend/migration/1648548247382-webhook.js
+++ b/packages/backend/migration/1648548247382-webhook.js
@ -0,0 +1,19 @@
+export class webhook1648548247382 {
+    name = 'webhook1648548247382'
+
+    async up(queryRunner) {
+			await queryRunner.query(`CREATE TABLE "webhook" ("id" character varying(32) NOT NULL, "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, "userId" character varying(32) NOT NULL, "name" character varying(128) NOT NULL, "on" character varying(128) array NOT NULL DEFAULT '{}', "url" character varying(1024) NOT NULL, "secret" character varying(1024) NOT NULL, "active" boolean NOT NULL DEFAULT true, CONSTRAINT "PK_e6765510c2d078db49632b59020" PRIMARY KEY ("id")); COMMENT ON COLUMN "webhook"."createdAt" IS 'The created date of the Antenna.'; COMMENT ON COLUMN "webhook"."userId" IS 'The owner ID.'; COMMENT ON COLUMN "webhook"."name" IS 'The name of the Antenna.'`);
+			await queryRunner.query(`CREATE INDEX "IDX_f272c8c8805969e6a6449c77b3" ON "webhook" ("userId") `);
+			await queryRunner.query(`CREATE INDEX "IDX_8063a0586ed1dfbe86e982d961" ON "webhook" ("on") `);
+			await queryRunner.query(`CREATE INDEX "IDX_5a056076f76b2efe08216ba655" ON "webhook" ("active") `);
+			await queryRunner.query(`ALTER TABLE "webhook" ADD CONSTRAINT "FK_f272c8c8805969e6a6449c77b3c" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+	}
+
+	async down(queryRunner) {
+			await queryRunner.query(`ALTER TABLE "webhook" DROP CONSTRAINT "FK_f272c8c8805969e6a6449c77b3c"`);
+			await queryRunner.query(`DROP INDEX "public"."IDX_5a056076f76b2efe08216ba655"`);
+			await queryRunner.query(`DROP INDEX "public"."IDX_8063a0586ed1dfbe86e982d961"`);
+			await queryRunner.query(`DROP INDEX "public"."IDX_f272c8c8805969e6a6449c77b3"`);
+			await queryRunner.query(`DROP TABLE "webhook"`);
+	}
+}
--- a/packages/backend/migration/1648816172177-webhook-2.js
+++ b/packages/backend/migration/1648816172177-webhook-2.js
@ -0,0 +1,14 @@
+
+export class webhook21648816172177 {
+    name = 'webhook21648816172177'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "webhook" ADD "latestSentAt" TIMESTAMP WITH TIME ZONE`);
+        await queryRunner.query(`ALTER TABLE "webhook" ADD "latestStatus" integer`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "webhook" DROP COLUMN "latestStatus"`);
+        await queryRunner.query(`ALTER TABLE "webhook" DROP COLUMN "latestSentAt"`);
+    }
+}
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@ -5,7 +5,7 @@
 	"scripts": {
 		"build": "tsc -p tsconfig.json || echo done. && tsc-alias -p tsconfig.json",
 		"watch": "node watch.mjs",
-		"lint": "eslint --quiet src/**/*.ts",
+		"lint": "eslint --quiet \"src/**/*.ts\"",
 		"mocha": "cross-env TS_NODE_FILES=true TS_NODE_TRANSPILE_ONLY=true TS_NODE_PROJECT=\"./test/tsconfig.json\" mocha",
 		"test": "npm run mocha"
 	},
@ -14,6 +14,7 @@
 		"lodash": "^4.17.21"
 	},
 	"dependencies": {
+		"@bull-board/koa": "3.10.3",
 		"@discordapp/twemoji": "13.1.1",
 		"@elastic/elasticsearch": "7.11.0",
 		"@koa/cors": "3.1.0",
@ -21,65 +22,19 @@
 		"@koa/router": "9.0.1",
 		"@sinonjs/fake-timers": "9.1.1",
 		"@syuilo/aiscript": "0.11.1",
-		"@types/bcryptjs": "2.4.2",
-		"@types/bull": "3.15.8",
-		"@types/cbor": "6.0.0",
-		"@types/escape-regexp": "0.0.1",
-		"@types/is-url": "1.2.30",
-		"@types/js-yaml": "4.0.5",
-		"@types/jsdom": "16.2.14",
-		"@types/jsonld": "1.5.6",
-		"@types/koa": "2.13.4",
-		"@types/koa-bodyparser": "4.3.7",
-		"@types/koa-cors": "0.0.2",
-		"@types/koa-favicon": "2.0.21",
-		"@types/koa-logger": "3.1.2",
-		"@types/koa-mount": "4.0.1",
-		"@types/koa-send": "4.1.3",
-		"@types/koa-views": "7.0.0",
-		"@types/koa__cors": "3.1.1",
-		"@types/koa__multer": "2.0.4",
-		"@types/koa__router": "8.0.11",
-		"@types/mocha": "9.1.0",
-		"@types/node": "17.0.23",
-		"@types/node-fetch": "3.0.3",
-		"@types/nodemailer": "6.4.4",
-		"@types/oauth": "0.9.1",
-		"@types/parse5": "6.0.3",
-		"@types/portscanner": "2.1.1",
-		"@types/pug": "2.0.6",
-		"@types/punycode": "2.1.0",
-		"@types/qrcode": "1.4.2",
-		"@types/random-seed": "0.3.3",
-		"@types/ratelimiter": "3.4.3",
-		"@types/redis": "4.0.11",
-		"@types/rename": "1.0.4",
-		"@types/sanitize-html": "2.6.2",
-		"@types/sharp": "0.30.0",
-		"@types/sinonjs__fake-timers": "8.1.2",
-		"@types/speakeasy": "2.0.7",
-		"@types/throttle-debounce": "2.1.0",
-		"@types/tinycolor2": "1.4.3",
-		"@types/tmp": "0.2.3",
-		"@types/uuid": "8.3.4",
-		"@types/web-push": "3.3.2",
-		"@types/websocket": "1.0.5",
-		"@types/ws": "8.5.3",
-		"@typescript-eslint/eslint-plugin": "5.16.0",
-		"@typescript-eslint/parser": "5.16.0",
-		"@bull-board/koa": "3.10.1",
+		"@typescript-eslint/eslint-plugin": "5.18.0",
+		"@typescript-eslint/parser": "5.18.0",
 		"abort-controller": "3.0.0",
 		"ajv": "8.11.0",
 		"archiver": "5.3.0",
 		"autobind-decorator": "2.4.0",
 		"autwh": "0.1.0",
-		"aws-sdk": "2.1100.0",
+		"aws-sdk": "2.1111.0",
 		"bcryptjs": "2.4.3",
 		"blurhash": "1.1.5",
 		"broadcast-channel": "4.10.0",
 		"bull": "4.8.1",
 		"cacheable-lookup": "6.0.4",
-		"cafy": "15.2.1",
 		"cbor": "8.1.0",
 		"chalk": "5.0.1",
 		"chalk-template": "0.4.0",
@ -89,8 +44,8 @@
 		"date-fns": "2.28.0",
 		"deep-email-validator": "0.1.21",
 		"escape-regexp": "0.0.1",
-		"eslint": "8.12.0",
-		"eslint-plugin-import": "2.25.4",
+		"eslint": "8.13.0",
+		"eslint-plugin-import": "2.26.0",
 		"feed": "4.2.2",
 		"file-type": "17.1.1",
 		"fluent-ffmpeg": "2.1.2",
@ -145,7 +100,7 @@
 		"rndstr": "1.0.0",
 		"s-age": "1.1.2",
 		"sanitize-html": "2.7.0",
-		"semver": "7.3.5",
+		"semver": "7.3.6",
 		"sharp": "0.30.3",
 		"speakeasy": "2.0.0",
 		"strict-event-emitter-types": "2.0.0",
@ -154,7 +109,6 @@
 		"summaly": "2.5.0",
 		"syslog-pro": "1.0.0",
 		"systeminformation": "5.11.9",
-		"throttle-debounce": "3.0.1",
 		"tinycolor2": "1.4.2",
 		"tmp": "0.2.1",
 		"ts-loader": "9.2.8",
@ -162,7 +116,7 @@
 		"tsc-alias": "1.4.1",
 		"tsconfig-paths": "3.14.1",
 		"twemoji-parser": "14.0.0",
-		"typeorm": "0.3.4",
+		"typeorm": "0.3.5",
 		"typescript": "4.6.3",
 		"ulid": "2.3.0",
 		"unzipper": "0.10.11",
@ -170,11 +124,55 @@
 		"web-push": "3.4.5",
 		"websocket": "1.0.34",
 		"ws": "8.5.0",
-		"xev": "2.0.1"
+		"xev": "3.0.2"
 	},
 	"devDependencies": {
-		"@redocly/openapi-core": "1.0.0-beta.90",
+		"@redocly/openapi-core": "1.0.0-beta.93",
+		"@types/semver": "7.3.9",
+		"@types/bcryptjs": "2.4.2",
+		"@types/bull": "3.15.8",
+		"@types/cbor": "6.0.0",
+		"@types/escape-regexp": "0.0.1",
 		"@types/fluent-ffmpeg": "2.1.20",
+		"@types/is-url": "1.2.30",
+		"@types/js-yaml": "4.0.5",
+		"@types/jsdom": "16.2.14",
+		"@types/jsonld": "1.5.6",
+		"@types/koa": "2.13.4",
+		"@types/koa-bodyparser": "4.3.7",
+		"@types/koa-cors": "0.0.2",
+		"@types/koa-favicon": "2.0.21",
+		"@types/koa-logger": "3.1.2",
+		"@types/koa-mount": "4.0.1",
+		"@types/koa-send": "4.1.3",
+		"@types/koa-views": "7.0.0",
+		"@types/koa__cors": "3.1.1",
+		"@types/koa__multer": "2.0.4",
+		"@types/koa__router": "8.0.11",
+		"@types/mocha": "9.1.0",
+		"@types/node": "17.0.23",
+		"@types/node-fetch": "3.0.3",
+		"@types/nodemailer": "6.4.4",
+		"@types/oauth": "0.9.1",
+		"@types/parse5": "6.0.3",
+		"@types/portscanner": "2.1.1",
+		"@types/pug": "2.0.6",
+		"@types/punycode": "2.1.0",
+		"@types/qrcode": "1.4.2",
+		"@types/random-seed": "0.3.3",
+		"@types/ratelimiter": "3.4.3",
+		"@types/redis": "4.0.11",
+		"@types/rename": "1.0.4",
+		"@types/sanitize-html": "2.6.2",
+		"@types/sharp": "0.30.1",
+		"@types/sinonjs__fake-timers": "8.1.2",
+		"@types/speakeasy": "2.0.7",
+		"@types/tinycolor2": "1.4.3",
+		"@types/tmp": "0.2.3",
+		"@types/uuid": "8.3.4",
+		"@types/web-push": "3.3.2",
+		"@types/websocket": "1.0.5",
+		"@types/ws": "8.5.3",
 		"cross-env": "7.0.3",
 		"execa": "6.1.0"
 	}
--- a/packages/backend/src/@types/http-signature.d.ts
+++ b/packages/backend/src/@types/http-signature.d.ts
@ -1,5 +1,5 @@
 declare module 'http-signature' {
-	import { IncomingMessage, ClientRequest } from 'http';
+	import { IncomingMessage, ClientRequest } from 'node:http';

 	interface ISignature {
 		keyId: string;
--- a/packages/backend/src/boot/index.ts
+++ b/packages/backend/src/boot/index.ts
@ -1,6 +1,6 @@
 import cluster from 'node:cluster';
 import chalk from 'chalk';
-import { default as Xev } from 'xev';
+import Xev from 'xev';

 import Logger from '@/services/logger.js';
 import { envOption } from '../env.js';
@ -12,7 +12,7 @@ import { workerMain } from './worker.js';

 const logger = new Logger('core', 'cyan');
 const clusterLogger = logger.createSubLogger('cluster', 'orange', false);
-const ev = new Xev.default();
+const ev = new Xev();

 /**
 * Init process
--- a/packages/backend/src/daemons/queue-stats.ts
+++ b/packages/backend/src/daemons/queue-stats.ts
@ -1,7 +1,7 @@
-import { default as Xev } from 'xev';
+import Xev from 'xev';
 import { deliverQueue, inboxQueue } from '../queue/queues.js';

-const ev = new Xev.default();
+const ev = new Xev();

 const interval = 10000;

--- a/packages/backend/src/daemons/server-stats.ts
+++ b/packages/backend/src/daemons/server-stats.ts
@ -1,8 +1,8 @@
 import si from 'systeminformation';
-import { default as Xev } from 'xev';
+import Xev from 'xev';
 import * as osUtils from 'os-utils';

-const ev = new Xev.default();
+const ev = new Xev();

 const interval = 2000;

--- a/packages/backend/src/db/postgre.ts
+++ b/packages/backend/src/db/postgre.ts
@ -73,6 +73,7 @@ import { PasswordResetRequest } from '@/models/entities/password-reset-request.j
 import { UserPending } from '@/models/entities/user-pending.js';

 import { entities as charts } from '@/services/chart/entities.js';
+import { Webhook } from '@/models/entities/webhook.js';

 const sqlLogger = dbLogger.createSubLogger('sql', 'gray', false);

@ -171,6 +172,7 @@ export const entities = [
 	Ad,
 	PasswordResetRequest,
 	UserPending,
+	Webhook,
 	...charts,
 ];

@ -207,7 +209,11 @@ export const db = new DataSource({
 });

 export async function initDb() {
-	await db.connect();
+	if (db.isInitialized) {
+		// nop
+	} else {
+		await db.connect();
+	}
 }

 export async function resetDb() {
--- a/packages/backend/src/misc/cafy-id.ts
+++ b/packages/backend/src/misc/cafy-id.ts
@ -1,33 +0,0 @@
-import { Context } from 'cafy';
-
-// eslint-disable-next-line @typescript-eslint/ban-types
-export class ID<Maybe = string> extends Context<string | (Maybe extends {} ? string : Maybe)> {
-	public readonly name = 'ID';
-
-	constructor(optional = false, nullable = false) {
-		super(optional, nullable);
-
-		this.push((v: any) => {
-			if (typeof v !== 'string') {
-				return new Error('must-be-an-id');
-			}
-			return true;
-		});
-	}
-
-	public getType() {
-		return super.getType('String');
-	}
-
-	public makeOptional(): ID<undefined> {
-		return new ID(true, false);
-	}
-
-	public makeNullable(): ID<null> {
-		return new ID(false, true);
-	}
-
-	public makeOptionalNullable(): ID<undefined | null> {
-		return new ID(true, true);
-	}
-}
--- a/packages/backend/src/misc/captcha.ts
+++ b/packages/backend/src/misc/captcha.ts
@ -42,7 +42,8 @@ async function getCaptchaResponse(url: string, secret: string, response: string)
 		headers: {
 			'User-Agent': config.userAgent,
 		},
-		timeout: 10 * 1000,
+		// TODO
+		//timeout: 10 * 1000,
 		agent: getAgentByUrl,
 	}).catch(e => {
 		throw `${e.message || e}`;
--- a/packages/backend/src/misc/fetch.ts
+++ b/packages/backend/src/misc/fetch.ts
@ -1,10 +1,10 @@
-import * as http from 'http';
-import * as https from 'https';
+import * as http from 'node:http';
+import * as https from 'node:https';
+import { URL } from 'node:url';
 import CacheableLookup from 'cacheable-lookup';
 import fetch from 'node-fetch';
 import { HttpProxyAgent, HttpsProxyAgent } from 'hpagent';
 import config from '@/config/index.js';
-import { URL } from 'node:url';

 export async function getJson(url: string, accept = 'application/json, */*', timeout = 10000, headers?: Record<string, string>) {
 	const res = await getResponse({
@ -35,7 +35,7 @@ export async function getHtml(url: string, accept = 'text/html, */*', timeout =
 }

 export async function getResponse(args: { url: string, method: string, body?: string, headers: Record<string, string>, timeout?: number, size?: number }) {
-	const timeout = args?.timeout || 10 * 1000;
+	const timeout = args.timeout || 10 * 1000;

 	const controller = new AbortController();
 	setTimeout(() => {
@ -47,7 +47,7 @@ export async function getResponse(args: { url: string, method: string, body?: st
 		headers: args.headers,
 		body: args.body,
 		timeout,
-		size: args?.size || 10 * 1024 * 1024,
+		size: args.size || 10 * 1024 * 1024,
 		agent: getAgentByUrl,
 		signal: controller.signal,
 	});
@ -120,9 +120,9 @@ export const httpsAgent = config.proxy
 */
 export function getAgentByUrl(url: URL, bypassProxy = false) {
 	if (bypassProxy || (config.proxyBypassHosts || []).includes(url.hostname)) {
-		return url.protocol == 'http:' ? _http : _https;
+		return url.protocol === 'http:' ? _http : _https;
 	} else {
-		return url.protocol == 'http:' ? httpAgent : httpsAgent;
+		return url.protocol === 'http:' ? httpAgent : httpsAgent;
 	}
 }

--- a/packages/backend/src/misc/get-note-summary.ts
+++ b/packages/backend/src/misc/get-note-summary.ts
@ -23,7 +23,7 @@ export const getNoteSummary = (note: Packed<'Note'>): string => {
 	}

 	// ファイルが添付されているとき
-	if ((note.files || []).length != 0) {
+	if ((note.files || []).length !== 0) {
 		summary += ` (📎${note.files!.length})`;
 	}

--- a/packages/backend/src/misc/webhook-cache.ts
+++ b/packages/backend/src/misc/webhook-cache.ts
@ -0,0 +1,49 @@
+import { Webhooks } from '@/models/index.js';
+import { Webhook } from '@/models/entities/webhook.js';
+import { subsdcriber } from '../db/redis.js';
+
+let webhooksFetched = false;
+let webhooks: Webhook[] = [];
+
+export async function getActiveWebhooks() {
+	if (!webhooksFetched) {
+		webhooks = await Webhooks.findBy({
+			active: true,
+		});
+		webhooksFetched = true;
+	}
+
+	return webhooks;
+}
+
+subsdcriber.on('message', async (_, data) => {
+	const obj = JSON.parse(data);
+
+	if (obj.channel === 'internal') {
+		const { type, body } = obj.message;
+		switch (type) {
+			case 'webhookCreated':
+				if (body.active) {
+					webhooks.push(body);
+				}
+				break;
+			case 'webhookUpdated':
+				if (body.active) {
+					const i = webhooks.findIndex(a => a.id === body.id);
+					if (i > -1) {
+						webhooks[i] = body;
+					} else {
+						webhooks.push(body);
+					}
+				} else {
+					webhooks = webhooks.filter(a => a.id !== body.id);
+				}
+				break;
+			case 'webhookDeleted':
+				webhooks = webhooks.filter(a => a.id !== body.id);
+				break;
+			default:
+				break;
+		}
+	}
+});
--- a/packages/backend/src/models/entities/user.ts
+++ b/packages/backend/src/models/entities/user.ts
@ -1,6 +1,6 @@
 import { Entity, Column, Index, OneToOne, JoinColumn, PrimaryColumn } from 'typeorm';
-import { DriveFile } from './drive-file.js';
 import { id } from '../id.js';
+import { DriveFile } from './drive-file.js';

@Entity()
@Index(['usernameLower', 'host'], { unique: true })
@ -207,7 +207,7 @@ export class User {

 	@Column('boolean', {
 		default: false,
-		comment: 'Whether to show users replying to other users in the timeline'
+		comment: 'Whether to show users replying to other users in the timeline',
 	})
 	public showTimelineReplies: boolean;

--- a/packages/backend/src/models/entities/webhook.ts
+++ b/packages/backend/src/models/entities/webhook.ts
@ -0,0 +1,73 @@
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { User } from './user.js';
+import { id } from '../id.js';
+
+export const webhookEventTypes = ['mention', 'unfollow', 'follow', 'followed', 'note', 'reply', 'renote', 'reaction'] as const;
+
+@Entity()
+export class Webhook {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Column('timestamp with time zone', {
+		comment: 'The created date of the Antenna.',
+	})
+	public createdAt: Date;
+
+	@Index()
+	@Column({
+		...id(),
+		comment: 'The owner ID.',
+	})
+	public userId: User['id'];
+
+	@ManyToOne(type => User, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public user: User | null;
+
+	@Column('varchar', {
+		length: 128,
+		comment: 'The name of the Antenna.',
+	})
+	public name: string;
+
+	@Index()
+	@Column('varchar', {
+		length: 128, array: true, default: '{}',
+	})
+	public on: (typeof webhookEventTypes)[number][];
+
+	@Column('varchar', {
+		length: 1024,
+	})
+	public url: string;
+
+	@Column('varchar', {
+		length: 1024,
+	})
+	public secret: string;
+
+	@Index()
+	@Column('boolean', {
+		default: true,
+	})
+	public active: boolean;
+
+	/**
+	 * 直近のリクエスト送信日時
+	 */
+	@Column('timestamp with time zone', {
+		nullable: true,
+	})
+	public latestSentAt: Date | null;
+
+	/**
+	 * 直近のリクエスト送信時のHTTPステータスコード
+	 */
+	@Column('integer', {
+		nullable: true,
+	})
+	public latestStatus: number | null;
+}
--- a/packages/backend/src/models/index.ts
+++ b/packages/backend/src/models/index.ts
@ -64,6 +64,7 @@ import { Ad } from './entities/ad.js';
 import { PasswordResetRequest } from './entities/password-reset-request.js';
 import { UserPending } from './entities/user-pending.js';
 import { InstanceRepository } from './repositories/instance.js';
+import { Webhook } from './entities/webhook.js';

 export const Announcements = db.getRepository(Announcement);
 export const AnnouncementReads = db.getRepository(AnnouncementRead);
@ -125,5 +126,6 @@ export const Channels = (ChannelRepository);
 export const ChannelFollowings = db.getRepository(ChannelFollowing);
 export const ChannelNotePinings = db.getRepository(ChannelNotePining);
 export const RegistryItems = db.getRepository(RegistryItem);
+export const Webhooks = db.getRepository(Webhook);
 export const Ads = db.getRepository(Ad);
 export const PasswordResetRequests = db.getRepository(PasswordResetRequest);
--- a/packages/backend/src/models/repositories/drive-file.ts
+++ b/packages/backend/src/models/repositories/drive-file.ts
@ -1,6 +1,5 @@
 import { db } from '@/db/postgre.js';
 import { DriveFile } from '@/models/entities/drive-file.js';
-import { Users, DriveFolders } from '../index.js';
 import { User } from '@/models/entities/user.js';
 import { toPuny } from '@/misc/convert-host.js';
 import { awaitAll, Promiseable } from '@/prelude/await-all.js';
@ -9,6 +8,7 @@ import config from '@/config/index.js';
 import { query, appendQuery } from '@/prelude/url.js';
 import { Meta } from '@/models/entities/meta.js';
 import { fetchMeta } from '@/misc/fetch-meta.js';
+import { Users, DriveFolders } from '../index.js';

 type PackOptions = {
 	detail?: boolean,
@ -111,7 +111,40 @@ export const DriveFileRepository = db.getRepository(DriveFile).extend({

 	async pack(
 		src: DriveFile['id'] | DriveFile,
-		options?: PackOptions
+		options?: PackOptions,
+	): Promise<Packed<'DriveFile'>> {
+		const opts = Object.assign({
+			detail: false,
+			self: false,
+		}, options);
+
+		const file = typeof src === 'object' ? src : await this.findOneByOrFail({ id: src });
+
+		return await awaitAll<Packed<'DriveFile'>>({
+			id: file.id,
+			createdAt: file.createdAt.toISOString(),
+			name: file.name,
+			type: file.type,
+			md5: file.md5,
+			size: file.size,
+			isSensitive: file.isSensitive,
+			blurhash: file.blurhash,
+			properties: opts.self ? file.properties : this.getPublicProperties(file),
+			url: opts.self ? file.url : this.getPublicUrl(file, false),
+			thumbnailUrl: this.getPublicUrl(file, true),
+			comment: file.comment,
+			folderId: file.folderId,
+			folder: opts.detail && file.folderId ? DriveFolders.pack(file.folderId, {
+				detail: true,
+			}) : null,
+			userId: opts.withUser ? file.userId : null,
+			user: (opts.withUser && file.userId) ? Users.pack(file.userId) : null,
+		});
+	},
+
+	async packNullable(
+		src: DriveFile['id'] | DriveFile,
+		options?: PackOptions,
 	): Promise<Packed<'DriveFile'> | null> {
 		const opts = Object.assign({
 			detail: false,
@ -145,9 +178,9 @@ export const DriveFileRepository = db.getRepository(DriveFile).extend({

 	async packMany(
 		files: (DriveFile['id'] | DriveFile)[],
-		options?: PackOptions
-	) {
-		const items = await Promise.all(files.map(f => this.pack(f, options)));
-		return items.filter(x => x != null);
+		options?: PackOptions,
+	): Promise<Packed<'DriveFile'>[]> {
+		const items = await Promise.all(files.map(f => this.packNullable(f, options)));
+		return items.filter((x): x is Packed<'DriveFile'> => x != null);
 	},
 });
--- a/packages/backend/src/models/repositories/page.ts
+++ b/packages/backend/src/models/repositories/page.ts
@ -1,10 +1,10 @@
 import { db } from '@/db/postgre.js';
 import { Page } from '@/models/entities/page.js';
 import { Packed } from '@/misc/schema.js';
-import { Users, DriveFiles, PageLikes } from '../index.js';
 import { awaitAll } from '@/prelude/await-all.js';
 import { DriveFile } from '@/models/entities/drive-file.js';
 import { User } from '@/models/entities/user.js';
+import { Users, DriveFiles, PageLikes } from '../index.js';

 export const PageRepository = db.getRepository(Page).extend({
 	async pack(
@ -14,7 +14,7 @@ export const PageRepository = db.getRepository(Page).extend({
 		const meId = me ? me.id : null;
 		const page = typeof src === 'object' ? src : await this.findOneByOrFail({ id: src });

-		const attachedFiles: Promise<DriveFile | undefined>[] = [];
+		const attachedFiles: Promise<DriveFile | null>[] = [];
 		const collectFile = (xs: any[]) => {
 			for (const x of xs) {
 				if (x.type === 'image') {
@ -73,7 +73,7 @@ export const PageRepository = db.getRepository(Page).extend({
 			script: page.script,
 			eyeCatchingImageId: page.eyeCatchingImageId,
 			eyeCatchingImage: page.eyeCatchingImageId ? await DriveFiles.pack(page.eyeCatchingImageId) : null,
-			attachedFiles: DriveFiles.packMany(await Promise.all(attachedFiles)),
+			attachedFiles: DriveFiles.packMany((await Promise.all(attachedFiles)).filter((x): x is DriveFile => x != null)),
 			likedCount: page.likedCount,
 			isLiked: meId ? await PageLikes.findOneBy({ pageId: page.id, userId: meId }).then(x => x != null) : undefined,
 		});
--- a/packages/backend/src/models/repositories/user.ts
+++ b/packages/backend/src/models/repositories/user.ts
@ -1,7 +1,6 @@
 import { EntityRepository, Repository, In, Not } from 'typeorm';
 import Ajv from 'ajv';
 import { User, ILocalUser, IRemoteUser } from '@/models/entities/user.js';
-import { Notes, NoteUnreads, FollowRequests, Notifications, MessagingMessages, UserNotePinings, Followings, Blockings, Mutings, UserProfiles, UserSecurityKeys, UserGroupJoinings, Pages, Announcements, AnnouncementReads, Antennas, AntennaNotes, ChannelFollowings, Instances, DriveFiles } from '../index.js';
 import config from '@/config/index.js';
 import { Packed } from '@/misc/schema.js';
 import { awaitAll, Promiseable } from '@/prelude/await-all.js';
@ -9,8 +8,9 @@ import { populateEmojis } from '@/misc/populate-emojis.js';
 import { getAntennas } from '@/misc/antenna-cache.js';
 import { USER_ACTIVE_THRESHOLD, USER_ONLINE_THRESHOLD } from '@/const.js';
 import { Cache } from '@/misc/cache.js';
-import { Instance } from '../entities/instance.js';
 import { db } from '@/db/postgre.js';
+import { Instance } from '../entities/instance.js';
+import { Notes, NoteUnreads, FollowRequests, Notifications, MessagingMessages, UserNotePinings, Followings, Blockings, Mutings, UserProfiles, UserSecurityKeys, UserGroupJoinings, Pages, Announcements, AnnouncementReads, Antennas, AntennaNotes, ChannelFollowings, Instances, DriveFiles } from '../index.js';

 const userInstanceCache = new Cache<Instance | null>(1000 * 60 * 60 * 3);

@ -112,7 +112,7 @@ export const UserRepository = db.getRepository(User).extend({
 		const joinings = await UserGroupJoinings.findBy({ userId: userId });

 		const groupQs = Promise.all(joinings.map(j => MessagingMessages.createQueryBuilder('message')
-			.where(`message.groupId = :groupId`, { groupId: j.userGroupId })
+			.where('message.groupId = :groupId', { groupId: j.userGroupId })
 			.andWhere('message.userId != :userId', { userId: userId })
 			.andWhere('NOT (:userId = ANY(message.reads))', { userId: userId })
 			.andWhere('message.createdAt > :joinedAt', { joinedAt: j.createdAt }) // 自分が加入する前の会話については、未読扱いしない
@ -204,8 +204,18 @@ export const UserRepository = db.getRepository(User).extend({
 		);
 	},

-	getAvatarUrl(user: User): string {
-		// TODO: avatarIdがあるがavatarがない(JOINされてない)場合のハンドリング
+	async getAvatarUrl(user: User): Promise<string> {
+		if (user.avatar) {
+			return DriveFiles.getPublicUrl(user.avatar, true) || this.getIdenticonUrl(user.id);
+		} else if (user.avatarId) {
+			const avatar = await DriveFiles.findOneByOrFail({ id: user.avatarId });
+			return DriveFiles.getPublicUrl(avatar, true) || this.getIdenticonUrl(user.id);
+		} else {
+			return this.getIdenticonUrl(user.id);
+		}
+	},
+
+	getAvatarUrlSync(user: User): string {
 		if (user.avatar) {
 			return DriveFiles.getPublicUrl(user.avatar, true) || this.getIdenticonUrl(user.id);
 		} else {
@ -223,7 +233,7 @@ export const UserRepository = db.getRepository(User).extend({
 		options?: {
 			detail?: D,
 			includeSecrets?: boolean,
-		}
+		},
 	): Promise<IsMeAndIsUserDetailed<ExpectsMe, D>> {
 		const opts = Object.assign({
 			detail: false,
@ -274,7 +284,7 @@ export const UserRepository = db.getRepository(User).extend({
 			name: user.name,
 			username: user.username,
 			host: user.host,
-			avatarUrl: this.getAvatarUrl(user),
+			avatarUrl: this.getAvatarUrlSync(user),
 			avatarBlurhash: user.avatar?.blurhash || null,
 			avatarColor: null, // 後方互換性のため
 			isAdmin: user.isAdmin || falsy,
@ -283,7 +293,7 @@ export const UserRepository = db.getRepository(User).extend({
 			isCat: user.isCat || falsy,
 			instance: user.host ? userInstanceCache.fetch(user.host,
 				() => Instances.findOneBy({ host: user.host! }),
-				v => v != null
+				v => v != null,
 			).then(instance => instance ? {
 				name: instance.name,
 				softwareName: instance.softwareName,
@ -403,7 +413,7 @@ export const UserRepository = db.getRepository(User).extend({
 		options?: {
 			detail?: D,
 			includeSecrets?: boolean,
-		}
+		},
 	): Promise<IsUserDetailed<D>[]> {
 		return Promise.all(users.map(u => this.pack(u, me, options)));
 	},
--- a/packages/backend/src/models/schema/emoji.ts
+++ b/packages/backend/src/models/schema/emoji.ts
@ -27,6 +27,7 @@ export const packedEmojiSchema = {
 		host: {
 			type: 'string',
 			optional: false, nullable: true,
+			description: 'The local host is represented with `null`.',
 		},
 		url: {
 			type: 'string',
--- a/packages/backend/src/models/schema/user.ts
+++ b/packages/backend/src/models/schema/user.ts
@ -21,6 +21,7 @@ export const packedUserLiteSchema = {
 			type: 'string',
 			nullable: true, optional: false,
 			example: 'misskey.example.com',
+			description: 'The local host is represented with `null`.',
 		},
 		avatarUrl: {
 			type: 'string',
--- a/packages/backend/src/queue/index.ts
+++ b/packages/backend/src/queue/index.ts
@ -1,4 +1,5 @@
 import httpSignature from 'http-signature';
+import { v4 as uuid } from 'uuid';

 import config from '@/config/index.js';
 import { envOption } from '../env.js';
@ -8,13 +9,15 @@ import processInbox from './processors/inbox.js';
 import processDb from './processors/db/index.js';
 import processObjectStorage from './processors/object-storage/index.js';
 import processSystemQueue from './processors/system/index.js';
+import processWebhookDeliver from './processors/webhook-deliver.js';
 import { endedPollNotification } from './processors/ended-poll-notification.js';
 import { queueLogger } from './logger.js';
 import { DriveFile } from '@/models/entities/drive-file.js';
 import { getJobInfo } from './get-job-info.js';
-import { systemQueue, dbQueue, deliverQueue, inboxQueue, objectStorageQueue, endedPollNotificationQueue } from './queues.js';
+import { systemQueue, dbQueue, deliverQueue, inboxQueue, objectStorageQueue, endedPollNotificationQueue, webhookDeliverQueue } from './queues.js';
 import { ThinUser } from './types.js';
 import { IActivity } from '@/remote/activitypub/type.js';
+import { Webhook, webhookEventTypes } from '@/models/entities/webhook.js';

 function renderError(e: Error): any {
 	return {
@ -26,6 +29,7 @@ function renderError(e: Error): any {

 const systemLogger = queueLogger.createSubLogger('system');
 const deliverLogger = queueLogger.createSubLogger('deliver');
+const webhookLogger = queueLogger.createSubLogger('webhook');
 const inboxLogger = queueLogger.createSubLogger('inbox');
 const dbLogger = queueLogger.createSubLogger('db');
 const objectStorageLogger = queueLogger.createSubLogger('objectStorage');
@ -70,6 +74,14 @@ objectStorageQueue
 	.on('error', (job: any, err: Error) => objectStorageLogger.error(`error ${err}`, { job, e: renderError(err) }))
 	.on('stalled', (job) => objectStorageLogger.warn(`stalled id=${job.id}`));

+webhookDeliverQueue
+	.on('waiting', (jobId) => webhookLogger.debug(`waiting id=${jobId}`))
+	.on('active', (job) => webhookLogger.debug(`active ${getJobInfo(job, true)} to=${job.data.to}`))
+	.on('completed', (job, result) => webhookLogger.debug(`completed(${result}) ${getJobInfo(job, true)} to=${job.data.to}`))
+	.on('failed', (job, err) => webhookLogger.warn(`failed(${err}) ${getJobInfo(job)} to=${job.data.to}`))
+	.on('error', (job: any, err: Error) => webhookLogger.error(`error ${err}`, { job, e: renderError(err) }))
+	.on('stalled', (job) => webhookLogger.warn(`stalled ${getJobInfo(job)} to=${job.data.to}`));
+
 export function deliver(user: ThinUser, content: unknown, to: string | null) {
 	if (content == null) return null;
 	if (to == null) return null;
@ -251,12 +263,36 @@ export function createCleanRemoteFilesJob() {
 	});
 }

+export function webhookDeliver(webhook: Webhook, type: typeof webhookEventTypes[number], content: unknown) {
+	const data = {
+		type,
+		content,
+		webhookId: webhook.id,
+		userId: webhook.userId,
+		to: webhook.url,
+		secret: webhook.secret,
+		createdAt: Date.now(),
+		eventId: uuid(),
+	};
+
+	return webhookDeliverQueue.add(data, {
+		attempts: 4,
+		timeout: 1 * 60 * 1000,	// 1min
+		backoff: {
+			type: 'apBackoff',
+		},
+		removeOnComplete: true,
+		removeOnFail: true,
+	});
+}
+
 export default function() {
 	if (envOption.onlyServer) return;

 	deliverQueue.process(config.deliverJobConcurrency || 128, processDeliver);
 	inboxQueue.process(config.inboxJobConcurrency || 16, processInbox);
 	endedPollNotificationQueue.process(endedPollNotification);
+	webhookDeliverQueue.process(64, processWebhookDeliver);
 	processDb(dbQueue);
 	processObjectStorage(objectStorageQueue);

--- a/packages/backend/src/queue/processors/webhook-deliver.ts
+++ b/packages/backend/src/queue/processors/webhook-deliver.ts
@ -0,0 +1,59 @@
+import { URL } from 'node:url';
+import Bull from 'bull';
+import Logger from '@/services/logger.js';
+import { WebhookDeliverJobData } from '../types.js';
+import { getResponse, StatusError } from '@/misc/fetch.js';
+import { Webhooks } from '@/models/index.js';
+import config from '@/config/index.js';
+
+const logger = new Logger('webhook');
+
+export default async (job: Bull.Job<WebhookDeliverJobData>) => {
+	try {
+		logger.debug(`delivering ${job.data.webhookId}`);
+
+		const res = await getResponse({
+			url: job.data.to,
+			method: 'POST',
+			headers: {
+				'User-Agent': 'Misskey-Hooks',
+				'X-Misskey-Host': config.host,
+				'X-Misskey-Hook-Id': job.data.webhookId,
+				'X-Misskey-Hook-Secret': job.data.secret,
+			},
+			body: JSON.stringify({
+				hookId: job.data.webhookId,
+				userId: job.data.userId,
+				eventId: job.data.eventId,
+				createdAt: job.data.createdAt,
+				type: job.data.type,
+				body: job.data.content,
+			}),
+		});
+
+		Webhooks.update({ id: job.data.webhookId }, {
+			latestSentAt: new Date(),
+			latestStatus: res.status,
+		});
+
+		return 'Success';
+	} catch (res) {
+		Webhooks.update({ id: job.data.webhookId }, {
+			latestSentAt: new Date(),
+			latestStatus: res instanceof StatusError ? res.statusCode : 1,
+		});
+
+		if (res instanceof StatusError) {
+			// 4xx
+			if (res.isClientError) {
+				return `${res.statusCode} ${res.statusMessage}`;
+			}
+
+			// 5xx etc.
+			throw `${res.statusCode} ${res.statusMessage}`;
+		} else {
+			// DNS error, socket error, timeout ...
+			throw res;
+		}
+	}
+};
--- a/packages/backend/src/queue/queues.ts
+++ b/packages/backend/src/queue/queues.ts
@ -1,6 +1,6 @@
 import config from '@/config/index.js';
 import { initialize as initializeQueue } from './initialize.js';
-import { DeliverJobData, InboxJobData, DbJobData, ObjectStorageJobData, EndedPollNotificationJobData } from './types.js';
+import { DeliverJobData, InboxJobData, DbJobData, ObjectStorageJobData, EndedPollNotificationJobData, WebhookDeliverJobData } from './types.js';

 export const systemQueue = initializeQueue<Record<string, unknown>>('system');
 export const endedPollNotificationQueue = initializeQueue<EndedPollNotificationJobData>('endedPollNotification');
@ -8,6 +8,7 @@ export const deliverQueue = initializeQueue<DeliverJobData>('deliver', config.de
 export const inboxQueue = initializeQueue<InboxJobData>('inbox', config.inboxJobPerSec || 16);
 export const dbQueue = initializeQueue<DbJobData>('db');
 export const objectStorageQueue = initializeQueue<ObjectStorageJobData>('objectStorage');
+export const webhookDeliverQueue = initializeQueue<WebhookDeliverJobData>('webhookDeliver', 64);

 export const queues = [
 	systemQueue,
@ -16,4 +17,5 @@ export const queues = [
 	inboxQueue,
 	dbQueue,
 	objectStorageQueue,
+	webhookDeliverQueue,
 ];
--- a/packages/backend/src/queue/types.ts
+++ b/packages/backend/src/queue/types.ts
@ -1,6 +1,7 @@
 import { DriveFile } from '@/models/entities/drive-file.js';
 import { Note } from '@/models/entities/note';
 import { User } from '@/models/entities/user.js';
+import { Webhook } from '@/models/entities/webhook';
 import { IActivity } from '@/remote/activitypub/type.js';
 import httpSignature from 'http-signature';

@ -46,6 +47,17 @@ export type EndedPollNotificationJobData = {
 	noteId: Note['id'];
 };

+export type WebhookDeliverJobData = {
+	type: string;
+	content: unknown;
+	webhookId: Webhook['id'];
+	userId: User['id'];
+	to: string;
+	secret: string;
+	createdAt: number;
+	eventId: string;
+};
+
 export type ThinUser = {
 	id: User['id'];
 };
--- a/packages/backend/src/remote/activitypub/ap-request.ts
+++ b/packages/backend/src/remote/activitypub/ap-request.ts
@ -95,7 +95,7 @@ function genSigningString(request: Request, includeHeaders: string[]) {

 function lcObjectKey(src: Record<string, string>) {
 	const dst: Record<string, string> = {};
-	for (const key of Object.keys(src).filter(x => x != '__proto__' && typeof src[x] === 'string')) dst[key.toLowerCase()] = src[key];
+	for (const key of Object.keys(src).filter(x => x !== '__proto__' && typeof src[x] === 'string')) dst[key.toLowerCase()] = src[key];
 	return dst;
 }

--- a/packages/backend/src/remote/activitypub/deliver-manager.ts
+++ b/packages/backend/src/remote/activitypub/deliver-manager.ts
@ -79,37 +79,46 @@ export default class DeliverManager {

 		const inboxes = new Set<string>();

-		// build inbox list
-		for (const recipe of this.recipes) {
-			if (isFollowers(recipe)) {
-				// followers deliver
-				// TODO: SELECT DISTINCT ON ("followerSharedInbox") "followerSharedInbox" みたいな問い合わせにすればよりパフォーマンス向上できそう
-				// ただ、sharedInboxがnullなリモートユーザーも稀におり、その対応ができなさそう？
-				const followers = await Followings.find({
-					where: {
-						followeeId: this.actor.id,
-						followerHost: Not(IsNull()),
-					},
-					select: {
-						followerSharedInbox: true,
-						followerInbox: true,
-					},
-				}) as {
-					followerSharedInbox: string | null;
-					followerInbox: string;
-				}[];
+		/*
+		build inbox list

-				for (const following of followers) {
-					const inbox = following.followerSharedInbox || following.followerInbox;
-					inboxes.add(inbox);
-				}
-			} else if (isDirect(recipe)) {
-				// direct deliver
-				const inbox = recipe.to.inbox;
-				if (inbox) inboxes.add(inbox);
+		Process follower recipes first to avoid duplication when processing
+		direct recipes later.
+		*/
+		if (this.recipes.some(r => isFollowers(r))) {
+			// followers deliver
+			// TODO: SELECT DISTINCT ON ("followerSharedInbox") "followerSharedInbox" みたいな問い合わせにすればよりパフォーマンス向上できそう
+			// ただ、sharedInboxがnullなリモートユーザーも稀におり、その対応ができなさそう？
+			const followers = await Followings.find({
+				where: {
+					followeeId: this.actor.id,
+					followerHost: Not(IsNull()),
+				},
+				select: {
+					followerSharedInbox: true,
+					followerInbox: true,
+				},
+			}) as {
+				followerSharedInbox: string | null;
+				followerInbox: string;
+			}[];
+
+			for (const following of followers) {
+				const inbox = following.followerSharedInbox || following.followerInbox;
+				inboxes.add(inbox);
 			}
 		}

+		this.recipes.filter((recipe): recipe is IDirectRecipe =>
+			// followers recipes have already been processed
+			isDirect(recipe)
+			// check that shared inbox has not been added yet
+			&& !(recipe.to.sharedInbox && inboxes.has(recipe.to.sharedInbox))
+			// check that they actually have an inbox
+			&& recipe.to.inbox != null,
+		)
+		.forEach(recipe => inboxes.add(recipe.to.inbox!));
+
 		// deliver
 		for (const inbox of inboxes) {
 			deliver(this.actor, this.activity, inbox);
--- a/packages/backend/src/remote/activitypub/kernel/move/index.ts
+++ b/packages/backend/src/remote/activitypub/kernel/move/index.ts
--- a/packages/backend/src/remote/activitypub/kernel/read.ts
+++ b/packages/backend/src/remote/activitypub/kernel/read.ts
@ -18,7 +18,7 @@ export const performReadActivity = async (actor: CacheableRemoteUser, activity:
 		return `skip: message not found`;
 	}

-	if (actor.id != message.recipientId) {
+	if (actor.id !== message.recipientId) {
 		return `skip: actor is not a message recipient`;
 	}

--- a/packages/backend/src/remote/activitypub/kernel/undo/accept.ts
+++ b/packages/backend/src/remote/activitypub/kernel/undo/accept.ts
@ -1,6 +1,6 @@
 import unfollow from '@/services/following/delete.js';
 import cancelRequest from '@/services/following/requests/cancel.js';
-import {IAccept} from '../../type.js';
+import { IAccept } from '../../type.js';
 import { CacheableRemoteUser } from '@/models/entities/user.js';
 import { Followings } from '@/models/index.js';
 import DbResolver from '../../db-resolver.js';
--- a/packages/backend/src/remote/activitypub/misc/ld-signature.ts
+++ b/packages/backend/src/remote/activitypub/misc/ld-signature.ts
@ -113,7 +113,8 @@ export class LdSignature {
 			headers: {
 				Accept: 'application/ld+json, application/json',
 			},
-			timeout: this.loderTimeout,
+			// TODO
+			//timeout: this.loderTimeout,
 			agent: u => u.protocol === 'http:' ? httpAgent : httpsAgent,
 		}).then(res => {
 			if (!res.ok) {
--- a/packages/backend/src/remote/activitypub/models/mention.ts
+++ b/packages/backend/src/remote/activitypub/models/mention.ts
@ -1,9 +1,9 @@
-import { toArray, unique } from '@/prelude/array.js';
-import { IObject, isMention, IApMention } from '../type.js';
-import { resolvePerson } from './person.js';
 import promiseLimit from 'promise-limit';
-import Resolver from '../resolver.js';
+import { toArray, unique } from '@/prelude/array.js';
 import { CacheableUser, User } from '@/models/entities/user.js';
+import { IObject, isMention, IApMention } from '../type.js';
+import Resolver from '../resolver.js';
+import { resolvePerson } from './person.js';

 export async function extractApMentions(tags: IObject | IObject[] | null | undefined) {
 	const hrefs = unique(extractApMentionObjects(tags).map(x => x.href as string));
@ -12,7 +12,7 @@ export async function extractApMentions(tags: IObject | IObject[] | null | undef

 	const limit = promiseLimit<CacheableUser | null>(2);
 	const mentionedUsers = (await Promise.all(
-		hrefs.map(x => limit(() => resolvePerson(x, resolver).catch(() => null)))
+		hrefs.map(x => limit(() => resolvePerson(x, resolver).catch(() => null))),
 	)).filter((x): x is CacheableUser => x != null);

 	return mentionedUsers;
--- a/packages/backend/src/remote/activitypub/models/person.ts
+++ b/packages/backend/src/remote/activitypub/models/person.ts
@ -1,17 +1,8 @@
 import { URL } from 'node:url';
 import promiseLimit from 'promise-limit';

-import $, { Context } from 'cafy';
 import config from '@/config/index.js';
-import Resolver from '../resolver.js';
-import { resolveImage } from './image.js';
-import { isCollectionOrOrderedCollection, isCollection, IActor, getApId, getOneApHrefNullable, IObject, isPropertyValue, IApPropertyValue, getApType, isActor } from '../type.js';
-import { fromHtml } from '../../../mfm/from-html.js';
-import { htmlToMfm } from '../misc/html-to-mfm.js';
-import { resolveNote, extractEmojis } from './note.js';
 import { registerOrFetchInstanceDoc } from '@/services/register-or-fetch-instance-doc.js';
-import { extractApHashtags } from './tag.js';
-import { apLogger } from '../logger.js';
 import { Note } from '@/models/entities/note.js';
 import { updateUsertags } from '@/services/update-hashtag.js';
 import { Users, Instances, DriveFiles, Followings, UserProfiles, UserPublickeys } from '@/models/index.js';
@ -32,6 +23,14 @@ import { StatusError } from '@/misc/fetch.js';
 import { uriPersonCache } from '@/services/user-cache.js';
 import { publishInternalEvent } from '@/services/stream.js';
 import { db } from '@/db/postgre.js';
+import { apLogger } from '../logger.js';
+import { htmlToMfm } from '../misc/html-to-mfm.js';
+import { fromHtml } from '../../../mfm/from-html.js';
+import { isCollectionOrOrderedCollection, isCollection, IActor, getApId, getOneApHrefNullable, IObject, isPropertyValue, IApPropertyValue, getApType, isActor } from '../type.js';
+import Resolver from '../resolver.js';
+import { extractApHashtags } from './tag.js';
+import { resolveNote, extractEmojis } from './note.js';
+import { resolveImage } from './image.js';

 const logger = apLogger;

@ -54,20 +53,33 @@ function validateActor(x: IObject, uri: string): IActor {
 		throw new Error(`invalid Actor type '${x.type}'`);
 	}

-	const validate = (name: string, value: any, validater: Context) => {
-		const e = validater.test(value);
-		if (e) throw new Error(`invalid Actor: ${name} ${e.message}`);
-	};
+	if (!(typeof x.id === 'string' && x.id.length > 0)) {
+		throw new Error('invalid Actor: wrong id');
+	}

-	validate('id', x.id, $.default.str.min(1));
-	validate('inbox', x.inbox, $.default.str.min(1));
-	validate('preferredUsername', x.preferredUsername, $.default.str.min(1).max(128).match(/^\w([\w-.]*\w)?$/));
+	if (!(typeof x.inbox === 'string' && x.inbox.length > 0)) {
+		throw new Error('invalid Actor: wrong inbox');
+	}
+
+	if (!(typeof x.preferredUsername === 'string' && x.preferredUsername.length > 0 && x.preferredUsername.length <= 128 && /^\w([\w-.]*\w)?$/.test(x.preferredUsername))) {
+		throw new Error('invalid Actor: wrong username');
+	}

 	// These fields are only informational, and some AP software allows these
 	// fields to be very long. If they are too long, we cut them off. This way
 	// we can at least see these users and their activities.
-	validate('name', truncate(x.name, nameLength), $.default.optional.nullable.str);
-	validate('summary', truncate(x.summary, summaryLength), $.default.optional.nullable.str);
+	if (x.name) {
+		if (!(typeof x.name === 'string' && x.name.length > 0)) {
+			throw new Error('invalid Actor: wrong name');
+		}
+		x.name = truncate(x.name, nameLength);
+	}
+	if (x.summary) {
+		if (!(typeof x.summary === 'string' && x.summary.length > 0)) {
+			throw new Error('invalid Actor: wrong summary');
+		}
+		x.summary = truncate(x.summary, summaryLength);
+	}

 	const idHost = toPuny(new URL(x.id!).hostname);
 	if (idHost !== expectHost) {
@ -271,7 +283,7 @@ export async function createPerson(uri: string, resolver?: Resolver): Promise<Us
 * @param resolver Resolver
 * @param hint Hint of Person object (この値が正当なPersonの場合、Remote resolveをせずに更新に利用します)
 */
-export async function updatePerson(uri: string, resolver?: Resolver | null, hint?: Record<string, unknown>): Promise<void> {
+export async function updatePerson(uri: string, resolver?: Resolver | null, hint?: IObject): Promise<void> {
 	if (typeof uri !== 'string') throw new Error('uri is not string');

 	// URIがこのサーバーを指しているならスキップ
@ -289,7 +301,7 @@ export async function updatePerson(uri: string, resolver?: Resolver | null, hint

 	if (resolver == null) resolver = new Resolver();

-	const object = hint || await resolver.resolve(uri) as any;
+	const object = hint || await resolver.resolve(uri);

 	const person = validateActor(object, uri);

@ -400,10 +412,10 @@ export async function resolvePerson(uri: string, resolver?: Resolver): Promise<C
 const services: {
 		[x: string]: (id: string, username: string) => any
 	} = {
-	'misskey:authentication:twitter': (userId, screenName) => ({ userId, screenName }),
-	'misskey:authentication:github': (id, login) => ({ id, login }),
-	'misskey:authentication:discord': (id, name) => $discord(id, name),
-};
+		'misskey:authentication:twitter': (userId, screenName) => ({ userId, screenName }),
+		'misskey:authentication:github': (id, login) => ({ id, login }),
+		'misskey:authentication:discord': (id, name) => $discord(id, name),
+	};

 const $discord = (id: string, name: string) => {
 	if (typeof name !== 'string') {
@ -461,7 +473,7 @@ export async function updateFeatured(userId: User['id']) {

 	// Resolve to (Ordered)Collection Object
 	const collection = await resolver.resolveCollection(user.featured);
-	if (!isCollectionOrOrderedCollection(collection)) throw new Error(`Object is not Collection or OrderedCollection`);
+	if (!isCollectionOrOrderedCollection(collection)) throw new Error('Object is not Collection or OrderedCollection');

 	// Resolve to Object(may be Note) arrays
 	const unresolvedItems = isCollection(collection) ? collection.items : collection.orderedItems;
--- a/packages/backend/src/remote/activitypub/models/question.ts
+++ b/packages/backend/src/remote/activitypub/models/question.ts
@ -69,7 +69,7 @@ export async function updateQuestion(value: any) {
 		const oldCount = poll.votes[poll.choices.indexOf(choice)];
 		const newCount = apChoices!.filter(ap => ap.name === choice)[0].replies!.totalItems;

-		if (oldCount != newCount) {
+		if (oldCount !== newCount) {
 			changed = true;
 			poll.votes[poll.choices.indexOf(choice)] = newCount;
 		}
--- a/packages/backend/src/remote/activitypub/renderer/flag.ts
+++ b/packages/backend/src/remote/activitypub/renderer/flag.ts
@ -5,7 +5,7 @@ import { getInstanceActor } from '@/services/instance-actor.js';

 // to anonymise reporters, the reporting actor must be a system user
 // object has to be a uri or array of uris
-export const renderFlag = (user: ILocalUser, object: [string], content: string): IActivity => {
+export const renderFlag = (user: ILocalUser, object: [string], content: string) => {
 	return {
 		type: 'Flag',
 		actor: `${config.url}/users/${user.id}`,
--- a/packages/backend/src/remote/activitypub/renderer/note.ts
+++ b/packages/backend/src/remote/activitypub/renderer/note.ts
@ -1,15 +1,15 @@
-import renderDocument from './document.js';
-import renderHashtag from './hashtag.js';
-import renderMention from './mention.js';
-import renderEmoji from './emoji.js';
+import { In, IsNull } from 'typeorm';
 import config from '@/config/index.js';
-import toHtml from '../misc/get-note-html.js';
 import { Note, IMentionedRemoteUsers } from '@/models/entities/note.js';
 import { DriveFile } from '@/models/entities/drive-file.js';
 import { DriveFiles, Notes, Users, Emojis, Polls } from '@/models/index.js';
-import { In, IsNull } from 'typeorm';
 import { Emoji } from '@/models/entities/emoji.js';
 import { Poll } from '@/models/entities/poll.js';
+import toHtml from '../misc/get-note-html.js';
+import renderEmoji from './emoji.js';
+import renderMention from './mention.js';
+import renderHashtag from './hashtag.js';
+import renderDocument from './document.js';

 export default async function renderNote(note: Note, dive = true, isTalk = false): Promise<Record<string, unknown>> {
 	const getPromisedFiles = async (ids: string[]) => {
@ -83,7 +83,7 @@ export default async function renderNote(note: Note, dive = true, isTalk = false
 	const files = await getPromisedFiles(note.fileIds);

 	const text = note.text;
-	let poll: Poll | null;
+	let poll: Poll | null = null;

 	if (note.hasPoll) {
 		poll = await Polls.findOneBy({ noteId: note.id });
@ -159,7 +159,7 @@ export async function getEmojis(names: string[]): Promise<Emoji[]> {
 		names.map(name => Emojis.findOneBy({
 			name,
 			host: IsNull(),
-		}))
+		})),
 	);

 	return emojis.filter(emoji => emoji != null) as Emoji[];
--- a/packages/backend/src/remote/activitypub/resolver.ts
+++ b/packages/backend/src/remote/activitypub/resolver.ts
@ -2,10 +2,10 @@ import config from '@/config/index.js';
 import { getJson } from '@/misc/fetch.js';
 import { ILocalUser } from '@/models/entities/user.js';
 import { getInstanceActor } from '@/services/instance-actor.js';
-import { signedGet } from './request.js';
-import { IObject, isCollectionOrOrderedCollection, ICollection, IOrderedCollection } from './type.js';
 import { fetchMeta } from '@/misc/fetch-meta.js';
 import { extractDbHost } from '@/misc/convert-host.js';
+import { signedGet } from './request.js';
+import { IObject, isCollectionOrOrderedCollection, ICollection, IOrderedCollection } from './type.js';

 export default class Resolver {
 	private history: Set<string>;
@ -56,13 +56,13 @@ export default class Resolver {
 			this.user = await getInstanceActor();
 		}

-		const object = this.user
+		const object = (this.user
 			? await signedGet(value, this.user)
-			: await getJson(value, 'application/activity+json, application/ld+json');
+			: await getJson(value, 'application/activity+json, application/ld+json')) as IObject;

 		if (object == null || (
 			Array.isArray(object['@context']) ?
-				!object['@context'].includes('https://www.w3.org/ns/activitystreams') :
+				!(object['@context'] as unknown[]).includes('https://www.w3.org/ns/activitystreams') :
 				object['@context'] !== 'https://www.w3.org/ns/activitystreams'
 		)) {
 			throw new Error('invalid response');
--- a/packages/backend/src/remote/activitypub/type.ts
+++ b/packages/backend/src/remote/activitypub/type.ts
@ -2,7 +2,7 @@ export type obj = { [x: string]: any };
 export type ApObject = IObject | string | (IObject | string)[];

 export interface IObject {
-	'@context': string | obj | obj[];
+	'@context': string | string[] | obj | obj[];
 	type: string | string[];
 	id?: string;
 	summary?: string;
@ -48,7 +48,7 @@ export function getOneApId(value: ApObject): string {
 export function getApId(value: string | IObject): string {
 	if (typeof value === 'string') return value;
 	if (typeof value.id === 'string') return value.id;
-	throw new Error(`cannot detemine id`);
+	throw new Error('cannot detemine id');
 }

 /**
@ -57,7 +57,7 @@ export function getApId(value: string | IObject): string {
 export function getApType(value: IObject): string {
 	if (typeof value.type === 'string') return value.type;
 	if (Array.isArray(value.type) && typeof value.type[0] === 'string') return value.type[0];
-	throw new Error(`cannot detect type`);
+	throw new Error('cannot detect type');
 }

 export function getOneApHrefNullable(value: ApObject | undefined): string | undefined {
--- a/packages/backend/src/remote/webfinger.ts
+++ b/packages/backend/src/remote/webfinger.ts
@ -15,7 +15,7 @@ type IWebFinger = {
 export default async function(query: string): Promise<IWebFinger> {
 	const url = genUrl(query);

-	return await getJson(url, 'application/jrd+json, application/json');
+	return await getJson(url, 'application/jrd+json, application/json') as IWebFinger;
 }

 function genUrl(query: string) {
--- a/packages/backend/src/server/activitypub/followers.ts
+++ b/packages/backend/src/server/activitypub/followers.ts
@ -1,32 +1,26 @@
 import Router from '@koa/router';
+import { FindOptionsWhere, IsNull, LessThan } from 'typeorm';
 import config from '@/config/index.js';
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id.js';
 import * as url from '@/prelude/url.js';
 import { renderActivity } from '@/remote/activitypub/renderer/index.js';
 import renderOrderedCollection from '@/remote/activitypub/renderer/ordered-collection.js';
 import renderOrderedCollectionPage from '@/remote/activitypub/renderer/ordered-collection-page.js';
 import renderFollowUser from '@/remote/activitypub/renderer/follow-user.js';
-import { setResponseType } from '../activitypub.js';
 import { Users, Followings, UserProfiles } from '@/models/index.js';
-import { IsNull, LessThan } from 'typeorm';
+import { Following } from '@/models/entities/following.js';
+import { setResponseType } from '../activitypub.js';

 export default async (ctx: Router.RouterContext) => {
 	const userId = ctx.params.user;

-	// Get 'cursor' parameter
-	const [cursor, cursorErr] = $.default.optional.type(ID).get(ctx.request.query.cursor);
-
-	// Get 'page' parameter
-	const pageErr = !$.default.optional.str.or(['true', 'false']).ok(ctx.request.query.page);
-	const page: boolean = ctx.request.query.page === 'true';
-
-	// Validate parameters
-	if (cursorErr || pageErr) {
+	const cursor = ctx.request.query.cursor;
+	if (cursor != null && typeof cursor !== 'string') {
 		ctx.status = 400;
 		return;
 	}

+	const page = ctx.request.query.page === 'true';
+
 	const user = await Users.findOneBy({
 		id: userId,
 		host: IsNull(),
@ -57,7 +51,7 @@ export default async (ctx: Router.RouterContext) => {
 	if (page) {
 		const query = {
 			followeeId: user.id,
-		} as any;
+		} as FindOptionsWhere<Following>;

 		// カーソルが指定されている場合
 		if (cursor) {
@ -86,7 +80,7 @@ export default async (ctx: Router.RouterContext) => {
 			inStock ? `${partOf}?${url.query({
 				page: 'true',
 				cursor: followings[followings.length - 1].id,
-			})}` : undefined
+			})}` : undefined,
 		);

 		ctx.body = renderActivity(rendered);
--- a/packages/backend/src/server/activitypub/following.ts
+++ b/packages/backend/src/server/activitypub/following.ts
@ -1,33 +1,26 @@
 import Router from '@koa/router';
+import { LessThan, IsNull, FindOptionsWhere } from 'typeorm';
 import config from '@/config/index.js';
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id.js';
 import * as url from '@/prelude/url.js';
 import { renderActivity } from '@/remote/activitypub/renderer/index.js';
 import renderOrderedCollection from '@/remote/activitypub/renderer/ordered-collection.js';
 import renderOrderedCollectionPage from '@/remote/activitypub/renderer/ordered-collection-page.js';
 import renderFollowUser from '@/remote/activitypub/renderer/follow-user.js';
-import { setResponseType } from '../activitypub.js';
 import { Users, Followings, UserProfiles } from '@/models/index.js';
-import { LessThan, IsNull, FindOptionsWhere } from 'typeorm';
 import { Following } from '@/models/entities/following.js';
+import { setResponseType } from '../activitypub.js';

 export default async (ctx: Router.RouterContext) => {
 	const userId = ctx.params.user;

-	// Get 'cursor' parameter
-	const [cursor, cursorErr] = $.default.optional.type(ID).get(ctx.request.query.cursor);
-
-	// Get 'page' parameter
-	const pageErr = !$.default.optional.str.or(['true', 'false']).ok(ctx.request.query.page);
-	const page: boolean = ctx.request.query.page === 'true';
-
-	// Validate parameters
-	if (cursorErr || pageErr) {
+	const cursor = ctx.request.query.cursor;
+	if (cursor != null && typeof cursor !== 'string') {
 		ctx.status = 400;
 		return;
 	}

+	const page = ctx.request.query.page === 'true';
+
 	const user = await Users.findOneBy({
 		id: userId,
 		host: IsNull(),
@ -87,7 +80,7 @@ export default async (ctx: Router.RouterContext) => {
 			inStock ? `${partOf}?${url.query({
 				page: 'true',
 				cursor: followings[followings.length - 1].id,
-			})}` : undefined
+			})}` : undefined,
 		);

 		ctx.body = renderActivity(rendered);
--- a/packages/backend/src/server/activitypub/outbox.ts
+++ b/packages/backend/src/server/activitypub/outbox.ts
@ -1,36 +1,37 @@
 import Router from '@koa/router';
+import { Brackets, IsNull } from 'typeorm';
 import config from '@/config/index.js';
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id.js';
 import { renderActivity } from '@/remote/activitypub/renderer/index.js';
 import renderOrderedCollection from '@/remote/activitypub/renderer/ordered-collection.js';
 import renderOrderedCollectionPage from '@/remote/activitypub/renderer/ordered-collection-page.js';
-import { setResponseType } from '../activitypub.js';
 import renderNote from '@/remote/activitypub/renderer/note.js';
 import renderCreate from '@/remote/activitypub/renderer/create.js';
 import renderAnnounce from '@/remote/activitypub/renderer/announce.js';
 import { countIf } from '@/prelude/array.js';
 import * as url from '@/prelude/url.js';
 import { Users, Notes } from '@/models/index.js';
-import { makePaginationQuery } from '../api/common/make-pagination-query.js';
-import { Brackets, IsNull } from 'typeorm';
 import { Note } from '@/models/entities/note.js';
+import { makePaginationQuery } from '../api/common/make-pagination-query.js';
+import { setResponseType } from '../activitypub.js';

 export default async (ctx: Router.RouterContext) => {
 	const userId = ctx.params.user;

-	// Get 'sinceId' parameter
-	const [sinceId, sinceIdErr] = $.default.optional.type(ID).get(ctx.request.query.since_id);
+	const sinceId = ctx.request.query.since_id;
+	if (sinceId != null && typeof sinceId !== 'string') {
+		ctx.status = 400;
+		return;
+	}

-	// Get 'untilId' parameter
-	const [untilId, untilIdErr] = $.default.optional.type(ID).get(ctx.request.query.until_id);
+	const untilId = ctx.request.query.until_id;
+	if (untilId != null && typeof untilId !== 'string') {
+		ctx.status = 400;
+		return;
+	}

-	// Get 'page' parameter
-	const pageErr = !$.default.optional.str.or(['true', 'false']).ok(ctx.request.query.page);
-	const page: boolean = ctx.request.query.page === 'true';
+	const page = ctx.request.query.page === 'true';

-	// Validate parameters
-	if (sinceIdErr || untilIdErr || pageErr || countIf(x => x != null, [sinceId, untilId]) > 1) {
+	if (countIf(x => x != null, [sinceId, untilId]) > 1) {
 		ctx.status = 400;
 		return;
 	}
@ -52,8 +53,8 @@ export default async (ctx: Router.RouterContext) => {
 		const query = makePaginationQuery(Notes.createQueryBuilder('note'), sinceId, untilId)
 			.andWhere('note.userId = :userId', { userId: user.id })
 			.andWhere(new Brackets(qb => { qb
-				.where(`note.visibility = 'public'`)
-				.orWhere(`note.visibility = 'home'`);
+				.where('note.visibility = \'public\'')
+				.orWhere('note.visibility = \'home\'');
 			}))
 			.andWhere('note.localOnly = FALSE');

@ -76,7 +77,7 @@ export default async (ctx: Router.RouterContext) => {
 			notes.length ? `${partOf}?${url.query({
 				page: 'true',
 				until_id: notes[notes.length - 1].id,
-			})}` : undefined
+			})}` : undefined,
 		);

 		ctx.body = renderActivity(rendered);
@ -85,7 +86,7 @@ export default async (ctx: Router.RouterContext) => {
 		// index page
 		const rendered = renderOrderedCollection(partOf, user.notesCount,
 			`${partOf}?page=true`,
-			`${partOf}?page=true&since_id=000000000000000000000000`
+			`${partOf}?page=true&since_id=000000000000000000000000`,
 		);
 		ctx.body = renderActivity(rendered);
 		ctx.set('Cache-Control', 'public, max-age=180');
--- a/packages/backend/src/server/api/2fa.ts
+++ b/packages/backend/src/server/api/2fa.ts
@ -121,14 +121,14 @@ export function verifyLogin({
 	signature: Buffer,
 	challenge: string
 }) {
-	if (clientData.type != 'webauthn.get') {
+	if (clientData.type !== 'webauthn.get') {
 		throw new Error('type is not webauthn.get');
 	}

-	if (hash(clientData.challenge).toString('hex') != challenge) {
+	if (hash(clientData.challenge).toString('hex') !== challenge) {
 		throw new Error('challenge mismatch');
 	}
-	if (clientData.origin != config.scheme + '://' + config.host) {
+	if (clientData.origin !== config.scheme + '://' + config.host) {
 		throw new Error('origin mismatch');
 	}

@ -148,11 +148,11 @@ export const procedures = {
 		verify({ publicKey }: {publicKey: Map<number, Buffer>}) {
 			const negTwo = publicKey.get(-2);

-			if (!negTwo || negTwo.length != 32) {
+			if (!negTwo || negTwo.length !== 32) {
 				throw new Error('invalid or no -2 key given');
 			}
 			const negThree = publicKey.get(-3);
-			if (!negThree || negThree.length != 32) {
+			if (!negThree || negThree.length !== 32) {
 				throw new Error('invalid or no -3 key given');
 			}

@ -183,7 +183,7 @@ export const procedures = {
 			rpIdHash: Buffer,
 			credentialId: Buffer,
 		}) {
-			if (attStmt.alg != -7) {
+			if (attStmt.alg !== -7) {
 				throw new Error('alg mismatch');
 			}

@ -196,11 +196,11 @@ export const procedures = {

 			const negTwo = publicKey.get(-2);

-			if (!negTwo || negTwo.length != 32) {
+			if (!negTwo || negTwo.length !== 32) {
 				throw new Error('invalid or no -2 key given');
 			}
 			const negThree = publicKey.get(-3);
-			if (!negThree || negThree.length != 32) {
+			if (!negThree || negThree.length !== 32) {
 				throw new Error('invalid or no -3 key given');
 			}

@ -263,7 +263,7 @@ export const procedures = {
 				.map((key: any) => PEMString(key))
 				.concat([GSR2]);

-			if (getCertSubject(certificateChain[0]).CN != 'attest.android.com') {
+			if (getCertSubject(certificateChain[0]).CN !== 'attest.android.com') {
 				throw new Error('invalid common name');
 			}

@ -283,11 +283,11 @@ export const procedures = {

 			const negTwo = publicKey.get(-2);

-			if (!negTwo || negTwo.length != 32) {
+			if (!negTwo || negTwo.length !== 32) {
 				throw new Error('invalid or no -2 key given');
 			}
 			const negThree = publicKey.get(-3);
-			if (!negThree || negThree.length != 32) {
+			if (!negThree || negThree.length !== 32) {
 				throw new Error('invalid or no -3 key given');
 			}

@ -332,11 +332,11 @@ export const procedures = {

 				const negTwo = publicKey.get(-2);

-				if (!negTwo || negTwo.length != 32) {
+				if (!negTwo || negTwo.length !== 32) {
 					throw new Error('invalid or no -2 key given');
 				}
 				const negThree = publicKey.get(-3);
-				if (!negThree || negThree.length != 32) {
+				if (!negThree || negThree.length !== 32) {
 					throw new Error('invalid or no -3 key given');
 				}

@ -353,7 +353,7 @@ export const procedures = {
 				// https://fidoalliance.org/specs/fido-v2.0-id-20180227/fido-ecdaa-algorithm-v2.0-id-20180227.html#ecdaa-verify-operation
 				throw new Error('ECDAA-Verify is not supported');
 			} else {
-				if (attStmt.alg != -7) throw new Error('alg mismatch');
+				if (attStmt.alg !== -7) throw new Error('alg mismatch');

 				throw new Error('self attestation is not supported');
 			}
@ -377,7 +377,7 @@ export const procedures = {
 			credentialId: Buffer
 		}) {
 			const x5c: Buffer[] = attStmt.x5c;
-			if (x5c.length != 1) {
+			if (x5c.length !== 1) {
 				throw new Error('x5c length does not match expectation');
 			}

@ -387,11 +387,11 @@ export const procedures = {

 			const negTwo: Buffer = publicKey.get(-2);

-			if (!negTwo || negTwo.length != 32) {
+			if (!negTwo || negTwo.length !== 32) {
 				throw new Error('invalid or no -2 key given');
 			}
 			const negThree: Buffer = publicKey.get(-3);
-			if (!negThree || negThree.length != 32) {
+			if (!negThree || negThree.length !== 32) {
 				throw new Error('invalid or no -3 key given');
 			}

--- a/packages/backend/src/server/api/common/signin.ts
+++ b/packages/backend/src/server/api/common/signin.ts
@ -9,7 +9,7 @@ import { publishMainStream } from '@/services/stream.js';
 export default function(ctx: Koa.Context, user: ILocalUser, redirect = false) {
 	if (redirect) {
 		//#region Cookie
-		ctx.cookies.set('igi', user.token, {
+		ctx.cookies.set('igi', user.token!, {
 			path: '/',
 			// SEE: https://github.com/koajs/koa/issues/974
 			// When using a SSL proxy it should be configured to add the "X-Forwarded-Proto: https" header
--- a/packages/backend/src/server/api/endpoints.ts
+++ b/packages/backend/src/server/api/endpoints.ts
@ -1,5 +1,6 @@
 import { Schema } from '@/misc/schema.js';

+import * as ep___admin_meta from './endpoints/admin/meta.js';
 import * as ep___admin_abuseUserReports from './endpoints/admin/abuse-user-reports.js';
 import * as ep___admin_accounts_create from './endpoints/admin/accounts/create.js';
 import * as ep___admin_accounts_delete from './endpoints/admin/accounts/delete.js';
@ -201,6 +202,11 @@ import * as ep___i_unpin from './endpoints/i/unpin.js';
 import * as ep___i_updateEmail from './endpoints/i/update-email.js';
 import * as ep___i_update from './endpoints/i/update.js';
 import * as ep___i_userGroupInvites from './endpoints/i/user-group-invites.js';
+import * as ep___i_webhooks_create from './endpoints/i/webhooks/create.js';
+import * as ep___i_webhooks_show from './endpoints/i/webhooks/show.js';
+import * as ep___i_webhooks_list from './endpoints/i/webhooks/list.js';
+import * as ep___i_webhooks_update from './endpoints/i/webhooks/update.js';
+import * as ep___i_webhooks_delete from './endpoints/i/webhooks/delete.js';
 import * as ep___messaging_history from './endpoints/messaging/history.js';
 import * as ep___messaging_messages from './endpoints/messaging/messages.js';
 import * as ep___messaging_messages_create from './endpoints/messaging/messages/create.js';
@ -304,6 +310,7 @@ import * as ep___users_show from './endpoints/users/show.js';
 import * as ep___users_stats from './endpoints/users/stats.js';

 const eps = [
+	['admin/meta', ep___admin_meta],
 	['admin/abuse-user-reports', ep___admin_abuseUserReports],
 	['admin/accounts/create', ep___admin_accounts_create],
 	['admin/accounts/delete', ep___admin_accounts_delete],
@ -505,6 +512,11 @@ const eps = [
 	['i/update-email', ep___i_updateEmail],
 	['i/update', ep___i_update],
 	['i/user-group-invites', ep___i_userGroupInvites],
+	['i/webhooks/create', ep___i_webhooks_create],
+	['i/webhooks/list', ep___i_webhooks_list],
+	['i/webhooks/show', ep___i_webhooks_show],
+	['i/webhooks/update', ep___i_webhooks_update],
+	['i/webhooks/delete', ep___i_webhooks_delete],
 	['messaging/history', ep___messaging_history],
 	['messaging/messages', ep___messaging_messages],
 	['messaging/messages/create', ep___messaging_messages_create],
--- a/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
+++ b/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
@ -1,5 +1,6 @@
-import define from '../../../define.js';
 import { Announcements, AnnouncementReads } from '@/models/index.js';
+import { Announcement } from '@/models/entities/announcement.js';
+import define from '../../../define.js';
 import { makePaginationQuery } from '../../../common/make-pagination-query.js';

 export const meta = {
@ -68,11 +69,21 @@ export default define(meta, paramDef, async (ps) => {

 	const announcements = await query.take(ps.limit).getMany();

+	const reads = new Map<Announcement, number>();
+
 	for (const announcement of announcements) {
-		(announcement as any).reads = await AnnouncementReads.countBy({
+		reads.set(announcement, await AnnouncementReads.countBy({
 			announcementId: announcement.id,
-		});
+		}));
 	}

-	return announcements;
+	return announcements.map(announcement => ({
+		id: announcement.id,
+		createdAt: announcement.createdAt.toISOString(),
+		updatedAt: announcement.updatedAt?.toISOString() ?? null,
+		title: announcement.title,
+		text: announcement.text,
+		imageUrl: announcement.imageUrl,
+		reads: reads.get(announcement)!,
+	}));
 });
--- a/packages/backend/src/server/api/endpoints/admin/drive/files.ts
+++ b/packages/backend/src/server/api/endpoints/admin/drive/files.ts
@ -27,7 +27,12 @@ export const paramDef = {
 		untilId: { type: 'string', format: 'misskey:id' },
 		type: { type: 'string', nullable: true, pattern: /^[a-zA-Z0-9\/\-*]+$/.toString().slice(1, -1) },
 		origin: { type: 'string', enum: ['combined', 'local', 'remote'], default: "local" },
-		hostname: { type: 'string', nullable: true, default: null },
+		hostname: {
+			type: 'string',
+			nullable: true,
+			default: null,
+			description: 'The local host is represented with `null`.',
+		},
 	},
 	required: [],
 } as const;
--- a/packages/backend/src/server/api/endpoints/admin/drive/show-file.ts
+++ b/packages/backend/src/server/api/endpoints/admin/drive/show-file.ts
@ -40,6 +40,7 @@ export const meta = {
 			userHost: {
 				type: 'string',
 				optional: false, nullable: true,
+				description: 'The local host is represented with `null`.',
 			},
 			md5: {
 				type: 'string',
@ -151,11 +152,20 @@ export const meta = {

 export const paramDef = {
 	type: 'object',
-	properties: {
-		fileId: { type: 'string', format: 'misskey:id' },
-		url: { type: 'string' },
-	},
-	required: [],
+	anyOf: [
+		{
+			properties: {
+				fileId: { type: 'string', format: 'misskey:id' },
+			},
+			required: ['fileId'],
+		},
+		{
+			properties: {
+				url: { type: 'string' },
+			},
+			required: ['url'],
+		},
+	],
 } as const;

 // eslint-disable-next-line import/no-default-export
--- a/packages/backend/src/server/api/endpoints/admin/emoji/list-remote.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/list-remote.ts
@ -40,6 +40,7 @@ export const meta = {
 				host: {
 					type: 'string',
 					optional: false, nullable: true,
+					description: 'The local host is represented with `null`.',
 				},
 				url: {
 					type: 'string',
@ -54,7 +55,12 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		query: { type: 'string', nullable: true, default: null },
-		host: { type: 'string', nullable: true, default: null },
+		host: {
+			type: 'string',
+			nullable: true,
+			default: null,
+			description: 'Use `null` to represent the local host.',
+		},
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		sinceId: { type: 'string', format: 'misskey:id' },
 		untilId: { type: 'string', format: 'misskey:id' },
--- a/packages/backend/src/server/api/endpoints/admin/emoji/list.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/list.ts
@ -38,8 +38,9 @@ export const meta = {
 					optional: false, nullable: true,
 				},
 				host: {
-					type: 'string',
-					optional: false, nullable: true,
+					type: 'null',
+					optional: false,
+					description: 'The local host is represented with `null`. The field exists for compatibility with other API endpoints that return files.',
 				},
 				url: {
 					type: 'string',
--- a/packages/backend/src/server/api/endpoints/admin/emoji/set-category-bulk.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/set-category-bulk.ts
@ -17,7 +17,11 @@ export const paramDef = {
 		ids: { type: 'array', items: {
 			type: 'string', format: 'misskey:id',
 		} },
-		category: { type: 'string', nullable: true },
+		category: {
+			type: 'string',
+			nullable: true,
+			description: 'Use `null` to reset the category.',
+		},
 	},
 	required: ['ids'],
 } as const;
--- a/packages/backend/src/server/api/endpoints/admin/emoji/update.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/update.ts
@ -23,7 +23,11 @@ export const paramDef = {
 	properties: {
 		id: { type: 'string', format: 'misskey:id' },
 		name: { type: 'string' },
-		category: { type: 'string', nullable: true },
+		category: {
+			type: 'string',
+			nullable: true,
+			description: 'Use `null` to reset the category.',
+		},
 		aliases: { type: 'array', items: {
 			type: 'string',
 		} },
--- a/packages/backend/src/server/api/endpoints/admin/moderators/remove.ts
+++ b/packages/backend/src/server/api/endpoints/admin/moderators/remove.ts
@ -1,5 +1,6 @@
 import define from '../../../define.js';
 import { Users } from '@/models/index.js';
+import { publishInternalEvent } from '@/services/stream.js';

 export const meta = {
 	tags: ['admin'],
--- a/packages/backend/src/server/api/endpoints/admin/show-users.ts
+++ b/packages/backend/src/server/api/endpoints/admin/show-users.ts
@ -1,5 +1,5 @@
-import define from '../../define.js';
 import { Users } from '@/models/index.js';
+import define from '../../define.js';

 export const meta = {
 	tags: ['admin'],
@ -24,10 +24,15 @@ export const paramDef = {
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		offset: { type: 'integer', default: 0 },
 		sort: { type: 'string', enum: ['+follower', '-follower', '+createdAt', '-createdAt', '+updatedAt', '-updatedAt'] },
-		state: { type: 'string', enum: ['all', 'available', 'admin', 'moderator', 'adminOrModerator', 'silenced', 'suspended'], default: "all" },
-		origin: { type: 'string', enum: ['combined', 'local', 'remote'], default: "local" },
-		username: { type: 'string', default: null },
-		hostname: { type: 'string', default: null },
+		state: { type: 'string', enum: ['all', 'alive', 'available', 'admin', 'moderator', 'adminOrModerator', 'silenced', 'suspended'], default: 'all' },
+		origin: { type: 'string', enum: ['combined', 'local', 'remote'], default: 'local' },
+		username: { type: 'string', nullable: true, default: null },
+		hostname: {
+			type: 'string',
+			nullable: true,
+			default: null,
+			description: 'The local host is represented with `null`.',
+		},
 	},
 	required: [],
 } as const;
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@ -397,12 +397,14 @@ export default define(meta, paramDef, async (ps, me) => {
 	}

 	await db.transaction(async transactionalEntityManager => {
-		const meta = await transactionalEntityManager.findOne(Meta, {
+		const metas = await transactionalEntityManager.find(Meta, {
 			order: {
 				id: 'DESC',
 			},
 		});

+		const meta = metas[0];
+
 		if (meta) {
 			await transactionalEntityManager.update(Meta, meta.id, set);
 		} else {
--- a/packages/backend/src/server/api/endpoints/antennas/notes.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/notes.ts
@ -57,13 +57,9 @@ export default define(meta, paramDef, async (ps, user) => {
 		throw new ApiError(meta.errors.noSuchAntenna);
 	}

-	const antennaQuery = AntennaNotes.createQueryBuilder('joining')
-		.select('joining.noteId')
-		.where('joining.antennaId = :antennaId', { antennaId: antenna.id });
-
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'),
 			ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
-		.andWhere(`note.id IN (${ antennaQuery.getQuery() })`)
+		.innerJoin(AntennaNotes.metadata.targetName, 'antennaNote', 'antennaNote.noteId = note.id')
 		.innerJoinAndSelect('note.user', 'user')
 		.leftJoinAndSelect('user.avatar', 'avatar')
 		.leftJoinAndSelect('user.banner', 'banner')
@ -75,7 +71,7 @@ export default define(meta, paramDef, async (ps, user) => {
 		.leftJoinAndSelect('renote.user', 'renoteUser')
 		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
 		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner')
-		.setParameters(antennaQuery.getParameters());
+		.andWhere('antennaNote.antennaId = :antennaId', { antennaId: antenna.id });

 	generateVisibilityQuery(query, user);
 	generateMutedUserQuery(query, user);
--- a/packages/backend/src/server/api/endpoints/channels/pin-note.ts
+++ b/packages/backend/src/server/api/endpoints/channels/pin-note.ts
--- a/packages/backend/src/server/api/endpoints/clips/create.ts
+++ b/packages/backend/src/server/api/endpoints/clips/create.ts
@ -20,7 +20,7 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		name: { type: 'string', minLength: 1, maxLength: 100 },
-		isPublic: { type: 'boolean' },
+		isPublic: { type: 'boolean', default: false },
 		description: { type: 'string', nullable: true, minLength: 1, maxLength: 2048 },
 	},
 	required: ['name'],
--- a/packages/backend/src/server/api/endpoints/clips/notes.ts
+++ b/packages/backend/src/server/api/endpoints/clips/notes.ts
@ -57,12 +57,8 @@ export default define(meta, paramDef, async (ps, user) => {
 		throw new ApiError(meta.errors.noSuchClip);
 	}

-	const clipQuery = ClipNotes.createQueryBuilder('joining')
-		.select('joining.noteId')
-		.where('joining.clipId = :clipId', { clipId: clip.id });
-
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
-		.andWhere(`note.id IN (${ clipQuery.getQuery() })`)
+		.innerJoin(ClipNotes.metadata.targetName, 'clipNote', 'clipNote.noteId = note.id')
 		.innerJoinAndSelect('note.user', 'user')
 		.leftJoinAndSelect('user.avatar', 'avatar')
 		.leftJoinAndSelect('user.banner', 'banner')
@ -74,7 +70,7 @@ export default define(meta, paramDef, async (ps, user) => {
 		.leftJoinAndSelect('renote.user', 'renoteUser')
 		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
 		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner')
-		.setParameters(clipQuery.getParameters());
+		.andWhere('clipNote.clipId = :clipId', { clipId: clip.id });

 	if (user) {
 		generateVisibilityQuery(query, user);
--- a/packages/backend/src/server/api/endpoints/drive/files/create.ts
+++ b/packages/backend/src/server/api/endpoints/drive/files/create.ts
@ -48,7 +48,6 @@ export const paramDef = {
 } as const;

 // eslint-disable-next-line import/no-default-export
-// @ts-ignore
 export default define(meta, paramDef, async (ps, user, _, file, cleanup) => {
 	// Get 'name' parameter
 	let name = ps.name || file.originalname;
--- a/packages/backend/src/server/api/endpoints/drive/files/find-by-hash.ts
+++ b/packages/backend/src/server/api/endpoints/drive/files/find-by-hash.ts
@ -1,5 +1,5 @@
-import define from '../../../define.js';
 import { DriveFiles } from '@/models/index.js';
+import define from '../../../define.js';

 export const meta = {
 	tags: ['drive'],
--- a/packages/backend/src/server/api/endpoints/drive/files/show.ts
+++ b/packages/backend/src/server/api/endpoints/drive/files/show.ts
@ -1,7 +1,7 @@
-import define from '../../../define.js';
-import { ApiError } from '../../../error.js';
 import { DriveFile } from '@/models/entities/drive-file.js';
 import { DriveFiles, Users } from '@/models/index.js';
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';

 export const meta = {
 	tags: ['drive'],
@ -28,27 +28,30 @@ export const meta = {
 			code: 'ACCESS_DENIED',
 			id: '25b73c73-68b1-41d0-bad1-381cfdf6579f',
 		},
-
-		fileIdOrUrlRequired: {
-			message: 'fileId or url required.',
-			code: 'INVALID_PARAM',
-			id: '89674805-722c-440c-8d88-5641830dc3e4',
-		},
 	},
 } as const;

 export const paramDef = {
 	type: 'object',
-	properties: {
-		fileId: { type: 'string', format: 'misskey:id' },
-		url: { type: 'string' },
-	},
-	required: [],
+	anyOf: [
+		{
+			properties: {
+				fileId: { type: 'string', format: 'misskey:id' },
+			},
+			required: ['fileId'],
+		},
+		{
+			properties: {
+				url: { type: 'string' },
+			},
+			required: ['url'],
+		},
+	],
 } as const;

 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async (ps, user) => {
-	let file: DriveFile | undefined;
+	let file: DriveFile | null = null;

 	if (ps.fileId) {
 		file = await DriveFiles.findOneBy({ id: ps.fileId });
@ -62,8 +65,6 @@ export default define(meta, paramDef, async (ps, user) => {
 				thumbnailUrl: ps.url,
 			}],
 		});
-	} else {
-		throw new ApiError(meta.errors.fileIdOrUrlRequired);
 	}

 	if (file == null) {
--- a/packages/backend/src/server/api/endpoints/federation/instances.ts
+++ b/packages/backend/src/server/api/endpoints/federation/instances.ts
@ -22,7 +22,7 @@ export const meta = {
 export const paramDef = {
 	type: 'object',
 	properties: {
-		host: { type: 'string', nullable: true },
+		host: { type: 'string', nullable: true, description: 'Omit or use `null` to not filter by host.' },
 		blocked: { type: 'boolean', nullable: true },
 		notResponding: { type: 'boolean', nullable: true },
 		suspended: { type: 'boolean', nullable: true },
--- a/packages/backend/src/server/api/endpoints/i/2fa/key-done.ts
+++ b/packages/backend/src/server/api/endpoints/i/2fa/key-done.ts
@ -50,10 +50,10 @@ export default define(meta, paramDef, async (ps, user) => {

 	const clientData = JSON.parse(ps.clientDataJSON);

-	if (clientData.type != 'webauthn.create') {
+	if (clientData.type !== 'webauthn.create') {
 		throw new Error('not a creation attestation');
 	}
-	if (clientData.origin != config.scheme + '://' + config.host) {
+	if (clientData.origin !== config.scheme + '://' + config.host) {
 		throw new Error('origin mismatch');
 	}

@ -78,7 +78,7 @@ export default define(meta, paramDef, async (ps, user) => {
 	const credentialId = authData.slice(55, 55 + credentialIdLength);
 	const publicKeyData = authData.slice(55 + credentialIdLength);
 	const publicKey: Map<number, any> = await cborDecodeFirst(publicKeyData);
-	if (publicKey.get(3) != -7) {
+	if (publicKey.get(3) !== -7) {
 		throw new Error('alg mismatch');
 	}

--- a/packages/backend/src/server/api/endpoints/i/authorized-apps.ts
+++ b/packages/backend/src/server/api/endpoints/i/authorized-apps.ts
@ -27,7 +27,7 @@ export default define(meta, paramDef, async (ps, user) => {
 		take: ps.limit,
 		skip: ps.offset,
 		order: {
-			id: ps.sort == 'asc' ? 1 : -1,
+			id: ps.sort === 'asc' ? 1 : -1,
 		},
 	});

--- a/packages/backend/src/server/api/endpoints/i/webhooks/create.ts
+++ b/packages/backend/src/server/api/endpoints/i/webhooks/create.ts
@ -0,0 +1,43 @@
+import define from '../../../define.js';
+import { genId } from '@/misc/gen-id.js';
+import { Webhooks } from '@/models/index.js';
+import { publishInternalEvent } from '@/services/stream.js';
+import { webhookEventTypes } from '@/models/entities/webhook.js';
+
+export const meta = {
+	tags: ['webhooks'],
+
+	requireCredential: true,
+
+	kind: 'write:account',
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		name: { type: 'string', minLength: 1, maxLength: 100 },
+		url: { type: 'string', minLength: 1, maxLength: 1024 },
+		secret: { type: 'string', minLength: 1, maxLength: 1024 },
+		on: { type: 'array', items: {
+			type: 'string', enum: webhookEventTypes,
+		} },
+	},
+	required: ['name', 'url', 'secret', 'on'],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+export default define(meta, paramDef, async (ps, user) => {
+	const webhook = await Webhooks.insert({
+		id: genId(),
+		createdAt: new Date(),
+		userId: user.id,
+		name: ps.name,
+		url: ps.url,
+		secret: ps.secret,
+		on: ps.on,
+	}).then(x => Webhooks.findOneByOrFail(x.identifiers[0]));
+
+	publishInternalEvent('webhookCreated', webhook);
+
+	return webhook;
+});
--- a/packages/backend/src/server/api/endpoints/i/webhooks/delete.ts
+++ b/packages/backend/src/server/api/endpoints/i/webhooks/delete.ts
@ -0,0 +1,44 @@
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';
+import { Webhooks } from '@/models/index.js';
+import { publishInternalEvent } from '@/services/stream.js';
+
+export const meta = {
+	tags: ['webhooks'],
+
+	requireCredential: true,
+
+	kind: 'write:account',
+
+	errors: {
+		noSuchWebhook: {
+			message: 'No such webhook.',
+			code: 'NO_SUCH_WEBHOOK',
+			id: 'bae73e5a-5522-4965-ae19-3a8688e71d82',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		webhookId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['webhookId'],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+export default define(meta, paramDef, async (ps, user) => {
+	const webhook = await Webhooks.findOneBy({
+		id: ps.webhookId,
+		userId: user.id,
+	});
+
+	if (webhook == null) {
+		throw new ApiError(meta.errors.noSuchWebhook);
+	}
+
+	await Webhooks.delete(webhook.id);
+
+	publishInternalEvent('webhookDeleted', webhook);
+});
--- a/packages/backend/src/server/api/endpoints/i/webhooks/list.ts
+++ b/packages/backend/src/server/api/endpoints/i/webhooks/list.ts
@ -0,0 +1,25 @@
+import define from '../../../define.js';
+import { Webhooks } from '@/models/index.js';
+
+export const meta = {
+	tags: ['webhooks', 'account'],
+
+	requireCredential: true,
+
+	kind: 'read:account',
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {},
+	required: [],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+export default define(meta, paramDef, async (ps, me) => {
+	const webhooks = await Webhooks.findBy({
+		userId: me.id,
+	});
+
+	return webhooks;
+});
--- a/packages/backend/src/server/api/endpoints/i/webhooks/show.ts
+++ b/packages/backend/src/server/api/endpoints/i/webhooks/show.ts
@ -0,0 +1,41 @@
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';
+import { Webhooks } from '@/models/index.js';
+
+export const meta = {
+	tags: ['webhooks'],
+
+	requireCredential: true,
+
+	kind: 'read:account',
+
+	errors: {
+		noSuchWebhook: {
+			message: 'No such webhook.',
+			code: 'NO_SUCH_WEBHOOK',
+			id: '50f614d9-3047-4f7e-90d8-ad6b2d5fb098',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		webhookId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['webhookId'],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+export default define(meta, paramDef, async (ps, user) => {
+	const webhook = await Webhooks.findOneBy({
+		id: ps.webhookId,
+		userId: user.id,
+	});
+
+	if (webhook == null) {
+		throw new ApiError(meta.errors.noSuchWebhook);
+	}
+
+	return webhook;
+});
--- a/packages/backend/src/server/api/endpoints/i/webhooks/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/webhooks/update.ts
@ -0,0 +1,59 @@
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';
+import { Webhooks } from '@/models/index.js';
+import { publishInternalEvent } from '@/services/stream.js';
+import { webhookEventTypes } from '@/models/entities/webhook.js';
+
+export const meta = {
+	tags: ['webhooks'],
+
+	requireCredential: true,
+
+	kind: 'write:account',
+
+	errors: {
+		noSuchWebhook: {
+			message: 'No such webhook.',
+			code: 'NO_SUCH_WEBHOOK',
+			id: 'fb0fea69-da18-45b1-828d-bd4fd1612518',
+		},
+	},
+
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		webhookId: { type: 'string', format: 'misskey:id' },
+		name: { type: 'string', minLength: 1, maxLength: 100 },
+		url: { type: 'string', minLength: 1, maxLength: 1024 },
+		secret: { type: 'string', minLength: 1, maxLength: 1024 },
+		on: { type: 'array', items: {
+			type: 'string', enum: webhookEventTypes,
+		} },
+		active: { type: 'boolean' },
+	},
+	required: ['webhookId', 'name', 'url', 'secret', 'on', 'active'],
+} as const;
+
+// eslint-disable-next-line import/no-default-export
+export default define(meta, paramDef, async (ps, user) => {
+	const webhook = await Webhooks.findOneBy({
+		id: ps.webhookId,
+		userId: user.id,
+	});
+
+	if (webhook == null) {
+		throw new ApiError(meta.errors.noSuchWebhook);
+	}
+
+	await Webhooks.update(webhook.id, {
+		name: ps.name,
+		url: ps.url,
+		secret: ps.secret,
+		on: ps.on,
+		active: ps.active,
+	});
+
+	publishInternalEvent('webhookUpdated', webhook);
+});
--- a/packages/backend/src/server/api/endpoints/messaging/messages.ts
+++ b/packages/backend/src/server/api/endpoints/messaging/messages.ts
@ -47,14 +47,25 @@ export const meta = {
 export const paramDef = {
 	type: 'object',
 	properties: {
-		userId: { type: 'string', format: 'misskey:id' },
-		groupId: { type: 'string', format: 'misskey:id' },
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		sinceId: { type: 'string', format: 'misskey:id' },
 		untilId: { type: 'string', format: 'misskey:id' },
 		markAsRead: { type: 'boolean', default: true },
 	},
-	required: [],
+	anyOf: [
+		{
+			properties: {
+				userId: { type: 'string', format: 'misskey:id' },
+			},
+			required: ['userId'],
+		},
+		{
+			properties: {
+				groupId: { type: 'string', format: 'misskey:id' },
+			},
+			required: ['groupId'],
+		},
+	],
 } as const;

 // eslint-disable-next-line import/no-default-export
@ -126,7 +137,5 @@ export default define(meta, paramDef, async (ps, user) => {
 		return await Promise.all(messages.map(message => MessagingMessages.pack(message, user, {
 			populateGroup: false,
 		})));
-	} else {
-		throw new Error();
 	}
 });
--- a/packages/backend/src/server/api/endpoints/messaging/messages/create.ts
+++ b/packages/backend/src/server/api/endpoints/messaging/messages/create.ts
@ -67,12 +67,23 @@ export const meta = {
 export const paramDef = {
 	type: 'object',
 	properties: {
-		userId: { type: 'string', format: 'misskey:id' },
-		groupId: { type: 'string', format: 'misskey:id' },
 		text: { type: 'string', nullable: true, maxLength: 3000 },
 		fileId: { type: 'string', format: 'misskey:id' },
 	},
-	required: [],
+	anyOf: [
+		{
+			properties: {
+				userId: { type: 'string', format: 'misskey:id' },
+			},
+			required: ['userId'],
+		},
+		{
+			properties: {
+				groupId: { type: 'string', format: 'misskey:id' },
+			},
+			required: ['groupId'],
+		},
+	],
 } as const;

 // eslint-disable-next-line import/no-default-export
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@ -169,6 +169,7 @@ export const meta = {
 						host: {
 							type: 'string',
 							optional: false, nullable: true,
+							description: 'The local host is represented with `null`.',
 						},
 						url: {
 							type: 'string',
--- a/packages/backend/src/server/api/endpoints/mute/create.ts
+++ b/packages/backend/src/server/api/endpoints/mute/create.ts
@ -38,7 +38,11 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		userId: { type: 'string', format: 'misskey:id' },
-		expiresAt: { type: 'integer', nullable: true },
+		expiresAt: {
+			type: 'integer',
+			nullable: true,
+			description: 'A Unix Epoch timestamp that must lie in the future. `null` means an indefinite mute.',
+		},
 	},
 	required: ['userId'],
 } as const;
--- a/packages/backend/src/server/api/endpoints/notes.ts
+++ b/packages/backend/src/server/api/endpoints/notes.ts
@ -19,7 +19,7 @@ export const meta = {
 export const paramDef = {
 	type: 'object',
 	properties: {
-		local: { type: 'boolean' },
+		local: { type: 'boolean', default: false },
 		reply: { type: 'boolean' },
 		renote: { type: 'boolean' },
 		withFiles: { type: 'boolean' },
@ -52,19 +52,19 @@ export default define(meta, paramDef, async (ps) => {
 		query.andWhere('note.userHost IS NULL');
 	}

-	if (ps.reply != undefined) {
+	if (ps.reply !== undefined) {
 		query.andWhere(ps.reply ? 'note.replyId IS NOT NULL' : 'note.replyId IS NULL');
 	}

-	if (ps.renote != undefined) {
+	if (ps.renote !== undefined) {
 		query.andWhere(ps.renote ? 'note.renoteId IS NOT NULL' : 'note.renoteId IS NULL');
 	}

-	if (ps.withFiles != undefined) {
+	if (ps.withFiles !== undefined) {
 		query.andWhere(ps.withFiles ? `note.fileIds != '{}'` : `note.fileIds = '{}'`);
 	}

-	if (ps.poll != undefined) {
+	if (ps.poll !== undefined) {
 		query.andWhere(ps.poll ? 'note.hasPoll = TRUE' : 'note.hasPoll = FALSE');
 	}

--- a/packages/backend/src/server/api/endpoints/notes/conversation.ts
+++ b/packages/backend/src/server/api/endpoints/notes/conversation.ts
@ -57,7 +57,7 @@ export default define(meta, paramDef, async (ps, user) => {
 			conversation.push(p);
 		}

-		if (conversation.length == ps.limit) {
+		if (conversation.length === ps.limit) {
 			return;
 		}

--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@ -1,14 +1,15 @@
 import ms from 'ms';
+import { In } from 'typeorm';
 import create from '@/services/note/create.js';
-import define from '../../define.js';
-import { ApiError } from '../../error.js';
 import { User } from '@/models/entities/user.js';
 import { Users, DriveFiles, Notes, Channels, Blockings } from '@/models/index.js';
 import { DriveFile } from '@/models/entities/drive-file.js';
 import { Note } from '@/models/entities/note.js';
-import { noteVisibilities } from '../../../../types.js';
 import { Channel } from '@/models/entities/channel.js';
 import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
+import { noteVisibilities } from '../../../../types.js';
+import { ApiError } from '../../error.js';
+import define from '../../define.js';

 export const meta = {
 	tags: ['notes'],
@ -59,12 +60,6 @@ export const meta = {
 			id: '3ac74a84-8fd5-4bb0-870f-01804f82ce15',
 		},

-		contentRequired: {
-			message: 'Content required. You need to set text, fileIds, renoteId or poll.',
-			code: 'CONTENT_REQUIRED',
-			id: '6f57e42b-c348-439b-bc45-993995cc515a',
-		},
-
 		cannotCreateAlreadyExpiredPoll: {
 			message: 'Poll is already expired.',
 			code: 'CANNOT_CREATE_ALREADY_EXPIRED_POLL',
@ -88,33 +83,45 @@ export const meta = {
 export const paramDef = {
 	type: 'object',
 	properties: {
-		visibility: { type: 'string', enum: ['public', 'home', 'followers', 'specified'], default: "public" },
+		visibility: { type: 'string', enum: ['public', 'home', 'followers', 'specified'], default: 'public' },
 		visibleUserIds: { type: 'array', uniqueItems: true, items: {
 			type: 'string', format: 'misskey:id',
 		} },
-		text: { type: 'string', nullable: true, maxLength: MAX_NOTE_TEXT_LENGTH, default: null },
+		text: { type: 'string', maxLength: MAX_NOTE_TEXT_LENGTH, nullable: true },
 		cw: { type: 'string', nullable: true, maxLength: 100 },
 		localOnly: { type: 'boolean', default: false },
 		noExtractMentions: { type: 'boolean', default: false },
 		noExtractHashtags: { type: 'boolean', default: false },
 		noExtractEmojis: { type: 'boolean', default: false },
-		fileIds: { type: 'array', uniqueItems: true, minItems: 1, maxItems: 16, items: {
-			type: 'string', format: 'misskey:id',
-		} },
-		mediaIds: { type: 'array', uniqueItems: true, minItems: 1, maxItems: 16, items: {
-			type: 'string', format: 'misskey:id',
-		} },
+		fileIds: {
+			type: 'array',
+			uniqueItems: true,
+			minItems: 1,
+			maxItems: 16,
+			items: { type: 'string', format: 'misskey:id' },
+		},
+		mediaIds: {
+			deprecated: true,
+			description: 'Use `fileIds` instead. If both are specified, this property is discarded.',
+			type: 'array',
+			uniqueItems: true,
+			minItems: 1,
+			maxItems: 16,
+			items: { type: 'string', format: 'misskey:id' },
+		},
 		replyId: { type: 'string', format: 'misskey:id', nullable: true },
 		renoteId: { type: 'string', format: 'misskey:id', nullable: true },
 		channelId: { type: 'string', format: 'misskey:id', nullable: true },
 		poll: {
-			type: 'object', nullable: true,
+			type: 'object',
+			nullable: true,
 			properties: {
 				choices: {
-					type: 'array', uniqueItems: true, minItems: 2, maxItems: 10, 
-					items: {
-						type: 'string', minLength: 1, maxLength: 50,
-					},
+					type: 'array',
+					uniqueItems: true,
+					minItems: 2,
+					maxItems: 10,
+					items: { type: 'string', minLength: 1, maxLength: 50 },
 				},
 				multiple: { type: 'boolean', default: false },
 				expiresAt: { type: 'integer', nullable: true },
@ -123,36 +130,62 @@ export const paramDef = {
 			required: ['choices'],
 		},
 	},
-	required: [],
+	anyOf: [
+		{
+			// (re)note with text, files and poll are optional
+			properties: {
+				text: { type: 'string', maxLength: MAX_NOTE_TEXT_LENGTH, nullable: false },
+			},
+			required: ['text'],
+		},
+		{
+			// (re)note with files, text and poll are optional
+			required: ['fileIds'],
+		},
+		{
+			// (re)note with files, text and poll are optional
+			required: ['mediaIds'],
+		},
+		{
+			// (re)note with poll, text and files are optional
+			properties: {
+				poll: { type: 'object', nullable: false },
+			},
+			required: ['poll'],
+		},
+		{
+			// pure renote
+			required: ['renoteId'],
+		},
+	],
 } as const;

 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async (ps, user) => {
 	let visibleUsers: User[] = [];
 	if (ps.visibleUserIds) {
-		visibleUsers = (await Promise.all(ps.visibleUserIds.map(id => Users.findOneBy({ id }))))
-			.filter(x => x != null) as User[];
+		visibleUsers = await Users.findBy({
+			id: In(ps.visibleUserIds),
+		});
 	}

 	let files: DriveFile[] = [];
 	const fileIds = ps.fileIds != null ? ps.fileIds : ps.mediaIds != null ? ps.mediaIds : null;
 	if (fileIds != null) {
-		files = (await Promise.all(fileIds.map(fileId =>
-			DriveFiles.findOneBy({
-				id: fileId,
-				userId: user.id,
-			})
-		))).filter(file => file != null) as DriveFile[];
+		files = await DriveFiles.findBy({
+			userId: user.id,
+			id: In(fileIds),
+		});
 	}

-	let renote: Note | null;
+	let renote: Note | null = null;
 	if (ps.renoteId != null) {
 		// Fetch renote to note
 		renote = await Notes.findOneBy({ id: ps.renoteId });

 		if (renote == null) {
 			throw new ApiError(meta.errors.noSuchRenoteTarget);
-		} else if (renote.renoteId && !renote.text && !renote.fileIds) {
+		} else if (renote.renoteId && !renote.text && !renote.fileIds && !renote.hasPoll) {
 			throw new ApiError(meta.errors.cannotReRenote);
 		}

@ -168,17 +201,14 @@ export default define(meta, paramDef, async (ps, user) => {
 		}
 	}

-	let reply: Note | null;
+	let reply: Note | null = null;
 	if (ps.replyId != null) {
 		// Fetch reply
 		reply = await Notes.findOneBy({ id: ps.replyId });

 		if (reply == null) {
 			throw new ApiError(meta.errors.noSuchReplyTarget);
-		}
-
-		// 返信対象が引用でないRenoteだったらエラー
-		if (reply.renoteId && !reply.text && !reply.fileIds) {
+		} else if (reply.renoteId && !reply.text && !reply.fileIds && !reply.hasPoll) {
 			throw new ApiError(meta.errors.cannotReplyToPureRenote);
 		}

@ -204,12 +234,7 @@ export default define(meta, paramDef, async (ps, user) => {
 		}
 	}

-	// テキストが無いかつ添付ファイルが無いかつRenoteも無いかつ投票も無かったらエラー
-	if (!(ps.text || files.length || renote || ps.poll)) {
-		throw new ApiError(meta.errors.contentRequired);
-	}
-
-	let channel: Channel | undefined;
+	let channel: Channel | null = null;
 	if (ps.channelId != null) {
 		channel = await Channels.findOneBy({ id: ps.channelId });

--- a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
@ -35,7 +35,11 @@ export const meta = {
 export const paramDef = {
 	type: 'object',
 	properties: {
-		withFiles: { type: 'boolean' },
+		withFiles: {
+			type: 'boolean',
+			default: false,
+			description: 'Only show notes that have attached files.',
+		},
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		sinceId: { type: 'string', format: 'misskey:id' },
 		untilId: { type: 'string', format: 'misskey:id' },
--- a/Show more
+++ b/Show more