This is a staging environment for whattrainisitnow.com

«  Firefox 151 release uplifts 

Uplifts by Product
131 uplifts

  1. libfontconfig.so.1 (20.41%) Top crash 2041887
  2. OOM | small (7.67%) Known top crash
  3. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (3.09%) 1969401
  4. AsyncShutdownTimeout | IOUtils: waiting for profileBeforeChange IO to complete | JSON store: writing data for 'targeting.snapshot' (2.46%) 1877111
  5. AsyncShutdownTimeout | quit-application | newtabTrainhopAddon scheduleUpdateTrainhopAddonState shutting down (2.39%) 2016440
  6. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (2.34%) 1472062
  7. HandleGLibMessage (2.00%) 2014335
Uplifts and Backouts
Bug Component Summary
2017549 General Enable libz-rs-sys by default on release
2037552 General Disable remaining tests running on the android P5 devices
2038900 WebRTC: Audio/Video Perma dom/media/webrtc/tests/crashtests/2038533.html | single tracking bug
2039070 Task Configuration Emit pernosco pulse events on most state transitions
2040979 DOM: Device Interfaces Hang when reloading a page with an active WebSerial port open
  1. OOM | small (13.30%) Known top crash
  2. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (5.35%) 1969401
  3. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.59%) 1472062
  4. AsyncShutdownTimeout | quit-application | newtabTrainhopAddon scheduleUpdateTrainhopAddonState shutting down (3.98%) 2016440
  5. AsyncShutdownTimeout | IOUtils: waiting for profileBeforeChange IO to complete | JSON store: writing data for 'targeting.snapshot' (2.79%) 1877111
  6. shutdownhang | mozilla::SpinEventLoopUntil | nsThread::WaitForAllAsynchronousShutdowns | nsThreadManager::ShutdownNonMainThreads (2.31%) 1524247
  7. js::gc::detail::ChunkPtrHasStoreBuffer (2.03%) 1980548
Uplifts and Backouts
Bug Component Summary
2017166 Machine Learning: Frontend The Ask Sidebar button Open/Closed state is not read out loud by Screen readers
2018177 Machine Learning: Frontend [a11y] Smart window - Unable to reach the Add tabs or Ask Submit buttons using keyboard navigation after text is added to the Smart bar
2027078 JavaScript Engine Regression in Firefox 150: localeCompare(..., { numeric: true, sensitivity: 'base' }) now produces different descending order vs Firefox 149 for numeric-like values
2027928 IP Protection [a11y] Toggle state not conveyed to screen reader users
2028675 Machine Learning: Frontend [a11y] Combobox functionality not announced to screen reader users
2028677 Machine Learning: Frontend [a11y] "Memories" dialog, various barriers for screen reader users
2031577 Networking: Cache Unable to cache additional imap messages once cache2 disk cache is full
2032193 Machine Learning: Frontend Add “Use Smart Window by default” setting
2033806 Machine Learning: Frontend The Sidebar Conversation scrolls back to the top when switching tabs
2034260 Machine Learning: General Enable semantic history search feature gate when smart window is enabled
2036194 Machine Learning: Frontend [Feedback MVP] Send user feedback data via Glean
2036389 Machine Learning: Frontend sidebar smartbar @mention becomes malformed when switching tabs
2037056 IP Protection Extra large VPN Status Checkbox in Overflow Menu
2038262 IP Protection The VPN Get started button in settings does not work if you have removed the VPN button from the toolbar and restarted Firefox
2038944 Machine Learning: General SmartWindow request & response ids metrics are not matching
2039097 Machine Learning: Frontend Add window resizing support for Spotlight chromeless browser
2039203 DOM: UI Events & Focus Handling [TSF][Sogou] Quickly entering "=" will cause the browser to crash
2039315 Layout number increase/decrease controls obscure the number when using field-sizing: content;
2039375 Experimentation and Telemetry Growth events should be sent even if campaign ID is empty
2039387 Networking [macOS 26.5] Crashes [@ notify_register_check ] on macOS 26.5
2039503 Experimentation and Telemetry Update the nova_onboarding_marketing_body_5 string to include the "how we use data" link
2039504 Layout: Form Controls Inserting caret into textbox and selecting text with mouse cursor no longer work for input with ::first-line pseudo-element
2039516 Homepage Selecting the edge-to-edge from the wallpaper selection tool doesn't apply the wallpaper
2039787 Tabbed Browser: Split View Split View is closed when using the switch to tab option
2039795 Tabbed Browser: Split View Split View closes when using the “Move Tab to Split View”
2039970 Experimentation and Telemetry Upgrade to Adjust SDK to v5.7
2040429 Homepage Change the kit logo with soccer ball
2040479 General Support updated Azure A10 WebGL renderer strings on Windows 11 25H2
2040680 Machine Learning: General Memories generation - handle budget exceeded scenario
2040693 Layout: Scrolling and Overflow FF 151.0 not correctly rendering GUI webpage for DocfetcherPro, because CSSOM `insertSheet` API throws an exception when our new partial ::-webkit-scrollbar support is present-but-disabled
2040957 IP Protection Add browser.ipProtection.blockIPProtectionCallouts pref
2041208 Widget: Cocoa Remove App Group Container entitlements from Release and Beta channels
2041355 Downloads Downloads Settings for removing downloads is overriden when updating to Fx151
2041720 DOM: Core & HTML `<select>` dropdown does not open when element is created in a different realm and appended to parent document (Firefox 151.0.1)`
2042035 Layout: Scrolling and Overflow Perma [mozilla-release] browser/base/content/test/static/browser_parsable_css.js | single tracking bug
  1. OOM | small (12.29%) Known top crash
  2. shutdownhang | mozilla::SpinEventLoopUntil | nsThreadPool::ShutdownWithTimeout (6.92%) 1866944
  3. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (5.30%) 1969401
  4. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.52%) 1472062
  5. AsyncShutdownTimeout | quit-application | newtabTrainhopAddon scheduleUpdateTrainhopAddonState shutting down (3.34%) 2016440
  6. shutdownhang | mozilla::SpinEventLoopUntil | nsThreadManager::SpinEventLoopUntilInternal (2.39%)
  7. js::gc::detail::ChunkPtrHasStoreBuffer (2.38%) 1980548
Uplifts and Backouts
Bug Component Summary
2027788 Distributions Ignore the distribution ini file if its global.id is mozillaonline
2032669 Browser Engine AiChoiceBanner should use PromoCard component
2032994 Machine Learning: Frontend Add thumbs up/down feedback actions behind pref
2033595 Homepage [Homepage Sports Widget] - Create middleware, lifecycle actions and SportsWidgetRepository interface
2033599 Homepage [Homepage Sports Widget] - Real World Cup API integration
2035450 Distributions Ignore the distribution ini file if its global.id is mozillaonline via pref
2036193 Machine Learning: Frontend [Feedback MVP] Add feedback modal for thumbs up/down
2037056 IP Protection Extra large VPN Status Checkbox in Overflow Menu
2037227 Homepage Define network data models for the WorldCup matches API + JSON deserialization
2037245 Homepage "Following [Team]" card UI
2037247 Homepage Create a SportsCardPager with a 3-dot overflow menu
2037378 Machine Learning: Frontend The Assistant Sidebar reopens Automatically when switching tabs after closing it from the X Close button
2037413 Homepage Add the Sports logo to the Homepage
2037466 Homepage Update the Sports Country Selector
2037816 Homepage Implement accessibility requirements for all the Sports components
2037817 Homepage Implement telemetry for all the Sports components
2037818 Homepage Update the Match Card implementation
2038467 IME Typing gets repeated when entering text 2 characters after @ in email fields
2039250 Experimentation and Telemetry [Experiment][Android] The PWA CFR message is triggered in the treatment B branch of the “Remove all CFRs” experiment
2039380 Homepage App crashes in private tab when sports widget feature is enabled and "new private tab entry" is disabled
2039769 Homepage [Homepage Sports Widget] - Enable pre-tournament sports widget pager with cached schedule fetch and Nimbus rollout
2039924 Bookmarks Remembered flows in BookmarksScreen remain stale even after rotation
2040294 Distributions Activate the ignoring of the mozillaOnline distribution
2040403 Homepage Implement error state for live matches
2040407 Homepage The first match is not displayed in an enlarged (focused) state for teams other than MEX and RSA on the Sports Widget
2040509 Machine Learning: Frontend Add Nimbus/configuration support for Smart Window default experiment
2040620 Homepage Implement third place, Champion cards and nullable teams
2040711 Homepage [Homepage Sports Widget] - Surface tournament-winner and third-place outcomes on sports widget FINAL and THIRD_PLACE_PLAYOFF cards
2040718 IP Protection Update language referencing number of locations in ipProtection.ftl
2040721 Machine Learning: Frontend Integrate round 1 feedback UI with Glean submission flow
2040825 Homepage Show generic experience for eliminated teams and pass eliminated teams to SportsWidgetState
2041156 Homepage Show full schedule one date per card for no team selected
2041235 DOM: Core & HTML invalid paste behavior with inputs in table > td
2041471 General Route win64-aarch64 generate-profile task to 25H2 builder
2041488 Homepage Update the stage parameters returned from the API
2041497 Messaging System write_in_microsurvey ping instructions are being forwarded in a clunky way
2041531 Homepage Display correct sports card header
2041537 Homepage Always enlarge the first matches (or all live matches) in a pager match card
2041541 Homepage Don't show group in related matches UI when past group stages
2041544 Homepage [Homepage Sports Widget] - Add mock server integration in debug tool
2041655 Homepage [Homepage Sports Widget] [phase2] The widget 3 dot menu has "Change team" item while no team is selected
2041688 Homepage [Homepage Sports Widget] [phase2] The Firefox logo does not change back to standard after the feature is turned OFF
2041691 Homepage [Homepage Sports Widget] [phase2] "country_selector_displayed" event not generated when the bottom sheet is opened from Firefox soccer logo
2041705 Homepage [Homepage Sports Widget] [phase2] No internet connection error is displayed if no team has been selected
2041811 Homepage Homepage sports debug tool improvement - add an apply button to session
2041887 Graphics: Text Crash in [@ libfontconfig.so.1] after users upgraded to fontconfig 2.18.0
2042018 Downloads Crash in [@ java.lang.IllegalStateException: at androidx.fragment.app.Fragment.requireContext(Fragment.java)]
2042497 Machine Learning: Frontend Remove userFeedbackCollection pref gating for Smart Window feedback UI
2043299 Homepage Suppress sports-widget error UI during one-week-to-kickoff phase when a cached schedule is available
2043514 Homepage Update Sports Pager telemetry with source and type extras
2043585 Homepage Accept nullable teams from the API
2043663 Homepage Update Champions cads implementation
2043750 Homepage Sports widget: Champion card missing when Final/Third-Place is decided in extra time
2038537 Other
2040903 Other
  1. shutdownhang | mozilla::SpinEventLoopUntil | nsThreadPool::ShutdownWithTimeout (27.32%) Top crash 1866944
  2. OOM | small (6.77%) Known top crash
  3. AsyncShutdownTimeout | quit-application | newtabTrainhopAddon scheduleUpdateTrainhopAddonState shutting down (5.58%) 2016440
  4. AsyncShutdownTimeout | profile-before-change | Sqlite.sys.mjs shutdown blocker (4.04%) 2009476
  5. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (3.33%) 1969401
  6. shutdownhang | kernelbase.dll | <T> (3.33%)
  7. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (2.97%) 1472062
Uplifts and Backouts
Bug Component Summary
2042115 Experimentation and Telemetry [Experiment][Android] The AI Controls settings page does not open, and a browser crash notification is received after tapping the AI Controls notification
2042532 Messaging System Expose the count of open tabs as a global targeting attribute
2043249 Graphics: WebRender Fallback to software WebRender since Firefox 151
2043307 Disability Access APIs Crash in [@ __delayLoadHelper2 | _tailMerge_uiautomationcore.dll | mozilla::a11y::uiaRawElmProvider::RaiseUiaNotificationEvent]
2044130 IP Protection Remove mentions of 50 GB bandwidth limit
2044131 IP Protection Add browser.ipProtection.bandwidth.enabled prefs to allowed prefs for feature callout CTA
2036107 Experimentation and Telemetry Update Aura Adjust settings
2039424 Experimentation and Telemetry Add new marketing partner Adjust settings
2039829 IP Protection IP-PRotection activator add-on: add VPN state and region conditions
2039866 DOM: Navigation UI hang on Windows when using back/forward buttons
2040888 IP Protection IP-Protection activator: introduce the WC tab breakage list
2041329 IP Protection IP-PRotection activator add-on: implement a date condition for the WC project
2042079 IP Protection IP-Protection activator: set the correct dates for WC
2042286 IP Protection Addon message incorrectly displayed on unauthorized URL paths for domain-restricted rules
2042289 IP Protection Messaging addon (infobar) is not displayed on magenta.tv when VPN is enabled during the World Cup time range
2042913 Installer Investigate the increase of removed Desktop Launchers in the metrics since Fx151
2043067 Toolbar Site navigation bar is floating when using expanded toolbar
2043569 DOM: Core & HTML Paste context menu missing in Squarespace editing interface
2043711 Experimentation and Telemetry Preserve install referrer values containing '=' characters
2043744 Experimentation and Telemetry Inject CoroutineScope into InstallReferrerHandlingService for deterministic tests
2043749 Experimentation and Telemetry Limit default Adjust third-party sharing to Google
2043755 IP Protection Check usage on IPP panel open when paused
2043999 IP Protection ipp-protection: add telemetry for the ipp-activator messaging
2044051 Layout: Form Controls Input field with resize: vertical should not be resizable
2044091 Homepage Sports widget: reorder pager cards to lead with celebrations and bracket finishers
2044150 Experimentation and Telemetry Add Reddit as new marketing partner in Adjust
2044432 IP Protection Add a Nimbus variable to set the IPP upgradeNotAvailable pref
2044439 Homepage Sports widget: throttle World Cup matches API and add Nimbus-controlled interval with mock-server bypass
2044622 Homepage [Homepage Sports Widget] [phase3] Penalty scores missing from live and ended matches
2044649 Homepage Sports widget: upcoming Final and Third Place shown first in pager during group stage
2044713 Homepage [Homepage Sports Widget] [phase3] Phase 3 card is being displayed even though there are still 3 hours left on countdown
2044955 Experimentation and Telemetry Onboarding marketing card experiment: Treatment C primary button copy update to "Allow and Continue”
2044970 Homepage [Homepage Sports Widget] [phase2] Automatically close the Country selector when a team has been selected or deselected
2044974 Homepage [Homepage Sports Widget] [phase3] [Localization] Portuguese "Full time" translation causes severe text crowding and squishes the team flag icon in the sub-matches list
2044981 Homepage [Homepage Sports Widget] [phase3] Fix Standalone error card background color
2045659 Homepage [Homepage Sports Widget] [phase3] Move australia from Asia to Oceania

Not yet shipped

Uplifts and Backouts
Bug Component Summary