This is a staging environment for whattrainisitnow.com

Current Desktop beta cycle: 150

Uplifts by Product
208 uplifts

  1. shutdownhang | mozilla::net::CookiePersistentStorage::EnsureInitialized (15.87%) Top crash 2025320
  2. OOM | small (9.18%) Known top crash
  3. mozilla::dom::BrowserChild::RecvRealKeyEvent (7.33%) 2024553
  4. mozilla::dom::NavigationWaitForAllScope::CommitNavigateEventSuccessSteps | mozilla::dom::Navigation::RunNavigateEventHandlerSteps::<T>::operator() (7.33%) 2024044
  5. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.63%) 1472062
  6. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (2.41%) 1969401
  7. Abort | Abort | NS_PrintStackTrace (1.58%)
Uplifts and Backouts
Bug Component Summary
2022838 Translations Quick action for Translate does not appear after being previously blocked and re-enabled in about:preferences#ai
2024325 IP Protection VPN settings panel is displayed when IPProtection toolbar is not initialized
2025034 Translations Be more transparent about one-directional translations
2025134 Share Sharing tabs from locations in the app aside from the menu are always shared as private
2025199 Graphics Cleanup of Skia font gamma handling
  1. shutdownhang | mozilla::net::CookiePersistentStorage::EnsureInitialized (12.63%) Top crash 2025320
  2. OOM | small (10.03%) Known top crash
  3. mozilla::dom::NavigationWaitForAllScope::CommitNavigateEventSuccessSteps | mozilla::dom::Navigation::RunNavigateEventHandlerSteps::<T>::operator() (9.75%) 2024044
  4. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.79%) 1472062
  5. mozilla::dom::BrowserChild::RecvRealKeyEvent (3.75%) 2024553
  6. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (2.35%) 1969401
  7. OOM | large | NS_ABORT_OOM | nsTSubstring<T>::AllocFailed | AppendUTF16toUTF8 | NS_ConvertUTF16toUTF8::NS_ConvertUTF16toUTF8 | mozilla::dom::serviceWorkerScriptCache::(anonymous namespace)::CompareManager::WriteToCache(JSContext*, mozilla::dom::cache::... (1.65%)
Uplifts and Backouts
Bug Component Summary
2014124 Onboarding [Experiment] [Brand Refresh Onboarding] Pagination dots are overlapped by the device navigation buttons on some mobile devices
2020733 IP Protection [a11y] The info icon from the VPN panel is not read correctly by the screen reader
2022179 IP Protection [a11y] Incorrect usage read in about:preferences for 1GB used
2022238 Widget: Gtk [Wayland] Toolbar stops responding to clicks
2022617 Shell Integration Implement event telemetry for open with api
2022813 Profile Backup Theme is added from backup and not kept from selectable profile, after a specific scenario.
2023110 Graphics: WebRender Fix the transform in the quad cache key
2023284 Machine Learning: Frontend when switching to a new tab ( not the New Tab ) but a new tab, sidebar and new converstation not initiated
2024396 MFBT Make CheckedInt::value() check into a release assert
2024514 IP Protection Channelfilter is not removed when VPN is paused while activating.
2024610 Search [Search Optimization] Update strings in the Sports Suggestion cards
2024735 App Links Add Nimbus flag for the new AppLinks prompt
2024790 Audio/Video: Playback [wmfme] DeviceManagerDx::CreateMediaEngineDevice should use the LUID-matched adapter instead of the default adapter
2024936 IP Protection Accounts with usage (75%/90%) cause VPN panel issues at sign out
2024951 Networking: Proxy Crash in [@ nsTSubstring<T>::StartBulkWriteImpl | nsTSubstring<T>::Assign | nsTSubstring<T>::Assign | nsTSubstring<T>::Assign | mozilla::toolkit::system::WindowsInternetFunctionsWrapper::ReadAllOptionsLocked::<T>::operator()]
2025040 Machine Learning: Frontend Add Smart Window Logo and Beta Badge to AI Controls Page
2025070 General Perma /builds/worker/checkouts/gecko/mobile/android/fenix/app/src/main/res/values/strings.xml:1562:13 | The resource R.string.create_tab_group_name_label appears to be unused (UnusedResources)
2025172 New Tab Page New tab occasionally shows completely empty
2026051 Layout Turn off layout.css.convertFromNode.enabled and layout.css.getBoxQuads.enabled (in Nightly)
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  1. shutdownhang | mozilla::net::CookiePersistentStorage::EnsureInitialized (13.36%) Top crash 2025320
  2. OOM | small (9.34%) Known top crash
  3. mozilla::dom::NavigationWaitForAllScope::CommitNavigateEventSuccessSteps | mozilla::dom::Navigation::RunNavigateEventHandlerSteps::<T>::operator() (7.15%) 2024044
  4. mozilla::dom::BrowserChild::RecvRealKeyEvent (5.01%) 2024553
  5. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.18%) 1472062
  6. OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (2.82%) 1969401
  7. zlib_rs::deflate::State::d_code (2.61%) 1950764
Uplifts and Backouts
Bug Component Summary
2001962 Address Bar High frequency browser/components/urlbar/tests/browser/browser_searchModeSwitcher_keyNavigation.js | single tracking bug
2009612 Machine Learning: Frontend Telemetry: Settings, Models
2016758 Machine Learning: Frontend voice a11y likely broken in Smartbar Dropdown
2019693 Machine Learning: General Persist securityProperties flags in SQLite chat storage
2020807 Machine Learning: General Add "spotlighting" for all injected data
2022365 IP Protection Add enterprise policy for disabling VPN
2023716 Machine Learning: General [Models] default should not override other model prompts in remote prompt repo
2024078 Search Add searchEngines.hasBeenUsed targeting attribute for Messaging System
2024195 General Migrate reftest to win11 25h2 worker pools
2024273 XUL Checkbox for "File > Work Offline" is unchecked when starting Firefox with the -offline command line argument
2024618 Audio/Video Make MediaData::As() use a release assert
2024633 Disability Access APIs Crash in [@ IPCError-browser | ProcessShowEvent unknown parent accessible]
2024862 PDF Viewer Intermittent TV accessible/tests/browser/pdfOutput/browser_structTree.js | testBasic_chrome - Test timed out
2024981 Inspector: Rules High frequency devtools/client/inspector/rules/test/browser_rules_variables_unused_add_property.js | testUnusedVariablesAndAddingDeclarations - Test timed out | single tracking bug
2025119 Printing: Output Frequent application crashed [[Unknown]] | gfx/tests/crashtests/1652750-deep-scene-stack.html | single tracking bug
2025445 Site Reports colorsphere.app - The colors inside the canvas sphere are not rendered
2025746 Address Bar Middle clicking alternate engines should open a new tab in the background
2026001 Homepage Hide shortcuts header when the entry points experiment is turned on, and when a user has 8 or fewer shortcuts
2026035 Homepage Fix bug where no stories are shown on stories page when entry points experiment is turned on
2026109 Printing: Output Print renders all the <option> items in a <select> element instead of the selected one only
2026426 Graphics: ImageLib Update libpng to new version v1.6.56 from 2026-03-25 22:47:06 (includes fixes for CVE-2026-33416, CVE-2026-33636)
2026636 Web Painting Graphics play hide and seek when zooming
2026673 Privacy Enable email masks in Beta
2026778 DOM: Core & HTML nsAttrValue::ParseAtomArray can leak MiscContainer
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  1. shutdownhang | mozilla::net::CookiePersistentStorage::EnsureInitialized (13.73%) Top crash 2025320
  2. NvGlEglGetFunctions (6.86%) 1824778
  3. OOM | large | NS_ABORT_OOM | nsTArray_Impl<T>::SetCapacity | nsTArray_Impl<T>::nsTArray_Impl | nsTArray<T>::nsTArray | mozilla::a11y::LocalAccessible::BundleFieldsForCache (3.92%)
  4. XREMain::XRE_main (3.92%)
  5. js::gc::detail::ChunkPtrHasStoreBuffer (3.92%) 1980548
  6. js::gc::HeaderWord::get (2.94%) 1993404
  7. shutdownhang | mozilla::SpinEventLoopUntil | nsThreadManager::SpinEventLoopUntilInternal (2.94%)
Uplifts and Backouts
Bug Component Summary
1912015 General Intermittent application crashed [@ RefPtr<mozilla::jni::detail::NativeWeakPtrControlBlock<mozilla::widget::GeckoViewSupport> >::RefPtr] | single tracking bug
2009615 Machine Learning: Frontend Telemetry: Input, Intent, Mentions
2015223 Build Config Add Flatpak Release Channel
2018787 Machine Learning: General Track security flags for automatically added initial chat content
2018880 JavaScript: Internationalization API www.onlinebanking.natwest.com - Valid date of birth input data is not accepted
2018967 Settings UI Action dropdown menus from RTL builds are not opened in the correct place
2019668 Widget: Gtk Blurry popups with fractional scaling in GNOME
2019983 Enterprise Policies Introduce a new policy that maps directly to the AI controls
2022050 Machine Learning: Frontend fetching ai response inconsistently checks adjacent tab at various times
2023019 DOM: Security Frequent /content-security-policy/inheritance/blob-url-inherits-from-initiator.sub.html | Initiator is cross-origin with target frame. - Test timed out | single tracking bug
2023094 Audio/Video: GMP AppLocker Publisher rules don't work when loading DLLs with a USER_RESTRICTED or lower access token level.
2023747 DOM: Service Workers Perma tier 2 backlog /service-workers/service-worker/windowclient-ancestorOrigins.sub.https.html | single tracking bug
2024553 DOM: Copy & Paste and Drag & Drop Crash in [@ mozilla::dom::BrowserChild::RecvRealKeyEvent]
2024743 Sync Add dynamic send tab menu labels
2025291 Shell Integration [Experiment] default new Windows users to launch on login
2025589 Machine Learning: Frontend Refactor error attribute in smart window telemetry model_response
2026002 Homepage Animate news button to show text
2026248 Search [Search mode switcher] Move "add engine" menu items below the list of installed engines, after the separator and next to Search settings, and use the same labels as used in search bar / urlbar input context menus
2026306 Graphics: CanvasWebGL Fix reporting in ShaderValidatorResults::SizeOfIncludingThis.
2026327 General New GCC warnings about StaticMutex constexpr constructor
2026804 IP Protection Disable Turn on VPN button for Connecting state
2026947 Performance: General High CPU usage (100% single thread) and UI hang after page load
2026959 Other Fix Trellix exclusion check for closing KsecDD
2026991 Settings DNS Over HTTPS screen doesn't support edge-to-edge
2027052 SVG svg <set attributeName="class"> not ending without inspect element
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Uplifts and Backouts
Bug Component Summary
1767683 Inspector Intermittent devtools/client/inspector/rules/test/browser_rules_custom.js | single tracking bug
1960069 Inspector: Rules High frequency devtools/client/inspector/rules/test/browser_rules_search-filter_09.js | single tracking bug
2009456 Machine Learning: General Propagate client-side flow_id to MLPA requests
2021972 Graphics: WebRender Hit MOZ_CRASH(ElementAt(aIndex = 16777220, aLength = 16777220)) at /builds/worker/checkouts/gecko/mfbt/Assertions.cpp:52
2024507 Machine Learning: Frontend Telemetry: Chat Assistant metrics chat_storage memories_count memories_last_updated
2024714 Search If there are duplicate keywords for search engines, prefer the default search engine
2024758 Machine Learning: Frontend conversation starters disappear and reppear when background tabs change
2024869 Machine Learning: Frontend Telemetry: Chat Assistant remaining events search_handoff chat_retrieved
2025904 Address Bar Add "Clear Search History" to the context menu for the new search bar implementation
2026239 Machine Learning: Frontend Chat conversation lost when toggling Smart Window to Classic and back
2026608 Machine Learning: Frontend Fix latency (TTFT) time calculation metric for smartwindow
2026688 DOM: Web Authentication Crash in [@ mozilla::Maybe<T>::emplace<T> | mozilla::dom::SerializeWebAuthnRequestOptions]
2027191 Search Update partnerCode validation to support dots in search-config-v2-schema
2027827 Tabbed Browser Add tab note length to additional telemetry
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