Changelog

One line per page per change, generated from the repository history when the site is built. Corrections to published facts are labelled as corrections. Subscribe: /changelog.xml

October 2026

• 2026-10-03Updated30 reference pagesmigrated to reference template (storage, notifications, performance)
• 2026-10-03Updatedshortcuts manifest membermigrated to reference template (manifest)
• 2026-10-03Updatedstart_url manifest membermigrated to reference template (manifest)
• 2026-10-03Updatedtabbed display mode and tab_strip manifest membermigrated to reference template (manifest)
• 2026-10-03Updatedtheme_color and background_color manifest membersmigrated to reference template (manifest)
• 2026-10-03Updatedwidgets manifest membermigrated to reference template (manifest)
• 2026-10-03UpdatedWeb Push on iOS and iPadOS (16.4+)migrated to reference template (notifications)
• 2026-10-03UpdatedNotification actions and badge optionsmigrated to reference template (notifications)
• 2026-10-03UpdatedNotification triggers (showTrigger and TimestampTrigger)migrated to reference template (notifications)
• 2026-10-03UpdatedNotification interfacemigrated to reference template (notifications)
• 2026-10-03UpdatedNotifications APImigrated to reference template (notifications)
• 2026-10-03UpdatedPeriodic background sync for content updatesmigrated to reference template (notifications)
• 2026-10-03UpdatedNotification.requestPermission()migrated to reference template (notifications)
• 2026-10-03UpdatedWeb Push and PushManager.subscribe()migrated to reference template (notifications)
• 2026-10-03UpdatedGeneric Sensor APIsensors and storage buckets entries now render their compatibility tables
• 2026-10-03UpdatedStorage Buckets APIsensors and storage buckets entries now render their compatibility tables
• 2026-10-03UpdatedCacheStorage and the caches globalmigrated to reference template (storage)
• 2026-10-03UpdatedClear-Site-Data response headermigrated to reference template (storage)
• 2026-10-03UpdatedEviction and best-effort storagemigrated to reference template (storage)
• 2026-10-03UpdatedIDBFactory.open() and the IndexedDB request modelmigrated to reference template (storage)
• 2026-10-03UpdatedlocalStorage and sessionStoragemigrated to reference template (storage)
• 2026-10-03Updatednavigator.storage.getDirectory() and the origin private file systemmigrated to reference template (storage)
• 2026-10-03UpdatedPartitioned cookies (CHIPS)migrated to reference template (storage)
• 2026-10-03UpdatedStorageManager.persist() and persisted()migrated to reference template (storage)
• 2026-10-03UpdatedStorageManager.estimate()migrated to reference template (storage)
• 2026-10-03UpdatedDocument.requestStorageAccess()migrated to reference template (storage)
• 2026-10-03UpdatedSafari 27 makes top-level await spec-compliantmigrated to reference template (news)
• 2026-10-03Updated19 compatibility pagesmigrated to reference template (compatibility)
• 2026-10-03UpdatedChoosing a caching strategymigrated to reference template (offline)
• 2026-10-03Updated16 guides pagesmigrated to reference template (guides)
• 2026-10-03UpdatedAd networksmigrated to reference template (ecosystem)
• 2026-10-03UpdatedDistributionmigrated to reference template (ecosystem)
• 2026-10-03UpdatedMonetizationmigrated to reference template (ecosystem)
• 2026-10-03UpdatedPaymentsmigrated to reference template (ecosystem)
• 2026-10-03UpdatedStore policymigrated to reference template (ecosystem)
• 2026-10-03UpdatedToolsmigrated to reference template (ecosystem)
• 2026-10-03UpdatedBaseline support overviewmigrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on Chrome and Android (WebAPK, TWA)migrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on ChromeOS (launcher and shelf)migrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on desktopmigrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on Microsoft Edge (sidebar, store)migrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on Firefoxmigrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on iOS and Safarimigrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on Safari for macOS (Dock apps)migrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on Samsung Internetmigrated to reference template (platforms)
• 2026-10-03UpdatedPWAs on Windowsmigrated to reference template (platforms)
• 2026-10-03UpdatedMethodologyhomepage rebuilt as a dashboard: dated changelog feed, section directory with counts, live compatibility table, methodology excerpt
• 2026-10-03AddedChinese vendor browsersChinese vendor browser matrix (vendor documentation only)
• 2026-10-03AddedCompatibilityChinese vendor browser matrix (vendor documentation only)
• 2026-10-03UpdatedEditorial process
• 2026-10-03UpdatedAsync Clipboard API: reading and writing the clipboard
• 2026-10-03UpdatedAbout
• 2026-10-03UpdatedCarey Gill
• 2026-10-03CorrectedIdle Detection API: watching for user and screen inactivityreference/platforms/firefox: Firefox 143 (2025-09-16) ships taskbar web apps on Windows; "(no install)" removed from the title and sidebar label
• 2026-10-03CorrectedWeb Share API: native share sheet from the browserreference/platforms/firefox: Firefox 143 (2025-09-16) ships taskbar web apps on Windows; "(no install)" removed from the title and sidebar label
• 2026-10-03Correctedbeforeinstallprompt and custom install promptsreference/platforms/firefox: Firefox 143 (2025-09-16) ships taskbar web apps on Windows; "(no install)" removed from the title and sidebar label
• 2026-10-03CorrectedWeb app manifest: the minimal one that worksreference/platforms/firefox: Firefox 143 (2025-09-16) ships taskbar web apps on Windows; "(no install)" removed from the title and sidebar label
• 2026-10-03CorrectedPWAs on Firefoxreference/platforms/firefox: Firefox 143 (2025-09-16) ships taskbar web apps on Windows; "(no install)" removed from the title and sidebar label
• 2026-10-03CorrectedPlatformsreference/platforms/firefox: Firefox 143 (2025-09-16) ships taskbar web apps on Windows; "(no install)" removed from the title and sidebar label
• 2026-10-03CorrectedWeb App Manifest: descriptionmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: display_overridemanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03Correctedmanifest: file_handlersmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03Correctedmanifest: idmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03Correctedmanifest: launch_handlermanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: name / short_namemanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: orientationmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: prefer_related_applicationsmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: related_applicationsmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03Correctedmanifest: scope_extensionsmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: start_urlmanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: display_override "tabbed" modemanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03CorrectedWeb App Manifest: theme_color / background_colormanifest-tabbed-display: Chrome, Chrome Android and Edge partial → yes from 126 (the cited display_override.tabbed entry records plain support)
• 2026-10-03Corrected24 compatibility pageswebgpu: Chrome and Edge yes/144 → partial 113 → 144 (BCD records 113–143 as a partial implementation)
• 2026-10-03CorrectedWeb Share APIweb-share: Chrome desktop yes/89 → partial 89 → 128 (ChromeOS and Windows only before 128)
• 2026-10-03UpdatedReport a problem
• 2026-10-03AddedPrivacy
• 2026-10-03UpdatedCapabilities
• 2026-10-03UpdatedInstallation
• 2026-10-03UpdatedWeb app manifest: the minimal one that works
• 2026-10-03UpdatedNotifications
• 2026-10-03UpdatedPerformance
• 2026-10-03UpdatedPlatforms
• 2026-10-03UpdatedService workers: what they are, and a minimal one
• 2026-10-03UpdatedStorage
• 2026-10-03UpdatedWeb Share API: native share sheet from the browser
• 2026-10-03UpdatedBadging API: app icon badges for installed PWAs
• 2026-10-03Updatedbeforeinstallprompt and custom install prompts
• 2026-10-03UpdatedManifest file_handlers
• 2026-10-03UpdatedManifest share_target
• 2026-10-03UpdatedBackground sync: retrying failed requests
• 2026-10-03UpdatedService worker lifecycle: install to update
• 2026-10-03UpdatedPeriodic background sync: refreshing content while the app is closed
• 2026-10-03UpdatedThe service worker update flow and skipWaiting
• 2026-10-03Corrected3 about pageseditorial byline is now Carey Gill
• 2026-10-03Corrected7 ecosystem pageseditorial byline is now Carey Gill
• 2026-10-03Corrected18 guides pageseditorial byline is now Carey Gill
• 2026-10-03Corrected1 news pageeditorial byline is now Carey Gill
• 2026-10-03Corrected134 reference pageseditorial byline is now Carey Gill
• 2026-10-03Updated7 ecosystem pages
• 2026-10-03Updated1 news page
• 2026-10-03Updatedmanifest widgets browser support
• 2026-10-03Addedmanifest widgets browser support
• 2026-10-02UpdatedCredential Management API
• 2026-10-02UpdatedWebRTC: peer-to-peer audio, video, and data
• 2026-10-02UpdatedSafari 27 makes top-level await spec-compliant
• 2026-10-02AddedSafari 27 makes top-level await spec-compliant
• 2026-10-01UpdatedTrusted Web Activity availability
• 2026-10-01UpdatedManifest protocol_handlers
• 2026-10-01AddedTrusted Web Activity availability
• 2026-10-01AddedManifest categories
• 2026-10-01AddedManifest protocol_handlers
• 2026-10-01UpdatediOS and Safari Web Push (16.4+)
• 2026-10-01UpdatedThe Notifications API: system notifications
• 2026-10-01UpdatedWebTransport support

September 2026

• 2026-09-30UpdatedStartup performance: paint and navigation timings
• 2026-09-30AddedStartup performance: paint and navigation timings
• 2026-09-30AddedPWAs on desktop
• 2026-09-30UpdatedWeb Share API: native share sheet from the browser
• 2026-09-30UpdatedPeriodic background sync for content updates
• 2026-09-30UpdatedPWAs on Chrome and Android (WebAPK, TWA)
• 2026-09-23UpdatedWeb Serial API
• 2026-09-23UpdatedWeb Serial API: navigator.serial device access
• 2026-09-23AddedDistribute a PWA via app stores
• 2026-09-23AddedAdd push notifications
• 2026-09-23AddedLighthouse PWA audits
• 2026-09-23UpdatedManifest scope: your PWA's navigation boundary
• 2026-09-23UpdatedPWAs on Chrome and Android (WebAPK, TWA)
• 2026-09-23UpdatedManifest icons and maskable icons
• 2026-09-22UpdatedEyeDropper API
• 2026-09-22UpdatedIdle Detection API
• 2026-09-22AddedEyeDropper API
• 2026-09-22AddedIdle Detection API
• 2026-09-22AddedGeneric Sensor API
• 2026-09-22UpdatediOS Add to Home Screen: PWA installation on iOS
• 2026-09-22UpdatedPWAs on iOS and Safari
• 2026-09-22UpdatedFile System Access API: read and write local files
• 2026-09-22UpdatediOS and Safari Web Push (16.4+)
• 2026-09-22UpdatedWebRTC: peer-to-peer audio, video, and data
• 2026-09-22UpdatedWeb Bluetooth API: connecting to Bluetooth Low Energy devices
• 2026-09-21UpdatedWeb Bluetooth API: connecting to Bluetooth Low Energy devices
• 2026-09-21UpdatediOS Add to Home Screen: PWA installation on iOS
• 2026-09-21UpdatedWebTransport: HTTP/3 streams and datagrams
• 2026-09-21UpdatedLocal Network Access: a local-request prompt
• 2026-09-21AddedLocal Network Access: a local-request prompt
• 2026-09-16AddedLocal Network Access: a new LAN permission prompt
• 2026-09-16UpdatedWeb App Manifest: theme_color / background_color
• 2026-09-16UpdatedWeb Locks API: exclusive and shared named locks
• 2026-09-16UpdatedLocal Network Access: gating local requests
• 2026-09-16AddedWeb App Manifest: theme_color / background_color
• 2026-09-16AddedWeb Locks API: exclusive and shared named locks
• 2026-09-15Updatedmanifest: scope_extensions support
• 2026-09-15UpdatedWeb Locks API: coordinating tabs and workers
• 2026-09-15Addedmanifest: scope_extensions support
• 2026-09-15AddedScreen Capture API (getDisplayMedia)
• 2026-09-15AddedWeb Locks API: coordinating tabs and workers
• 2026-09-15UpdatedStorage Buckets API: named partitions
• 2026-09-15UpdatedManifest edge_side_panel: pinning a PWA to the Microsoft Edge sidebar
• 2026-09-15UpdatedDebug a PWA
• 2026-09-15UpdatedGuides
• 2026-09-15UpdatedAdd app shortcuts
• 2026-09-15Updatedmanifest: handle_links support
• 2026-09-15UpdatedDigital Goods API (Play Billing in TWAs)
• 2026-09-15Addedmanifest: handle_links support
• 2026-09-15AddedDigital Goods API (Play Billing in TWAs)
• 2026-09-14Updatedmanifest lang / dir browser support
• 2026-09-14UpdatedWindow Management API browser support
• 2026-09-14Updatedmanifest edge_side_panel browser support
• 2026-09-14Addedmanifest edge_side_panel browser support
• 2026-09-14Addedmanifest lang / dir browser support
• 2026-09-14AddedWindow Management API browser support
• 2026-09-14AddedContact Picker support
• 2026-09-14Addedmanifest: widgets support
• 2026-09-13UpdatedStorage Buckets API: named partitions
• 2026-09-13UpdatedManifest widgets: PWA content on the OS widgets board
• 2026-09-13Updatedmanifest: widgets support
• 2026-09-13Addedmanifest: widgets support
• 2026-09-13AddedStorage Buckets API: named partitions
• 2026-09-13UpdatedGeneric Sensor API
• 2026-09-13UpdatedPWAs on Samsung Internet
• 2026-09-13AddedGeneric Sensor API
• 2026-09-13AddedManifest description: optional app-store text
• 2026-09-13AddedPWAs on Samsung Internet
• 2026-09-12UpdatedGeneric Sensor API: Accelerometer and friends
• 2026-09-12UpdatedManifest description: what it does, who reads it
• 2026-09-12UpdatedNotification actions and badge options
• 2026-09-12AddedGeneric Sensor API: Accelerometer and friends
• 2026-09-12AddedManifest description: what it does, who reads it
• 2026-09-12AddedNotification actions and badge options
• 2026-09-12AddedWeb Serial API: navigator.serial device access
• 2026-09-12AddedlocalStorage and sessionStorage
• 2026-09-11UpdatedUninstalling an installed PWA
• 2026-09-11UpdatedManifest categories member
• 2026-09-11UpdatedManifest protocol_handlers member
• 2026-09-11AddedUninstalling a PWA and what happens to its data
• 2026-09-11AddedManifest categories member
• 2026-09-11AddedManifest protocol_handlers member
• 2026-09-11Updatedorientation: requesting a PWA's default screen
• 2026-09-11UpdatedBackground Sync
• 2026-09-11UpdatedWebAuthn / passkeys support
• 2026-09-11UpdatedBackground sync: retrying failed requests
• 2026-09-11AddedWebAuthn / passkeys support
• 2026-09-11Addedorientation: locking a PWA's screen
• 2026-09-11AddedBackground sync: retrying failed requests
• 2026-09-10Updatedmanifest: display_override "tabbed" mode
• 2026-09-10UpdatedWeb App Manifest: theme_color & background_color
• 2026-09-10UpdatedLocal Network Access permission API
• 2026-09-10Addedmanifest: display_override "tabbed" mode
• 2026-09-10AddedWeb App Manifest: theme_color & background_color
• 2026-09-10AddedLocal Network Access permission API
• 2026-09-09UpdatedTrusted Web Activity availability
• 2026-09-09AddedTrusted Web Activity availability
• 2026-09-09AddedPWAs on Windows
• 2026-09-08UpdatedPWAs on Microsoft Edge (sidebar, store)
• 2026-09-08UpdatedThe notification permission model
• 2026-09-08UpdatedNotification.permission / requestPermission()
• 2026-09-08UpdatedThe app shell model
• 2026-09-08AddedNotification.permission / requestPermission()
• 2026-09-08AddedThe notification permission model
• 2026-09-08AddedThe app shell model
• 2026-09-08AddedPWAs on Microsoft Edge (sidebar, store)
• 2026-09-08UpdatedManifest: scope_extensions — multi-origin scope
• 2026-09-08UpdatedDigital Goods API: Play Billing in TWAs
• 2026-09-08AddedManifest: scope_extensions — multi-origin scope
• 2026-09-08AddedDigital Goods API: Play Billing in TWAs
• 2026-09-08AddedWeb Locks API: coordinate a shared resource
• 2026-09-08AddedWeb Locks API
• 2026-09-07UpdatedVirtualKeyboard API
• 2026-09-07Updatedmanifest: handle_links support
• 2026-09-07UpdatedScreen Capture API
• 2026-09-07Addedmanifest: handle_links support
• 2026-09-07AddedScreen Capture API
• 2026-09-07AddedVirtualKeyboard API
• 2026-09-07UpdatedMedia Session API
• 2026-09-07UpdatedNavigation API
• 2026-09-07AddedMedia Session API
• 2026-09-07AddedNavigation API
• 2026-09-06UpdatedDiscoverability: SEO and structured data for PWAs
• 2026-09-06UpdatedDocument Picture-in-Picture: always-on-top window
• 2026-09-06AddedManifest: edge_side_panel support
• 2026-09-06AddedDocument Picture-in-Picture: always-on-top window
• 2026-09-06UpdatedHow installed PWAs pick up manifest changes
• 2026-09-06UpdatedManifest: description support
• 2026-09-06AddedManifest: description support
• 2026-09-06AddedCredential Management API
• 2026-09-06AddedHow installed PWAs pick up manifest changes