Release uplifts this cycle

Uplifts by Product 97 uplifts	Core40 Firefox for Android34 Firefox11 Other10 Testing1 Web Compatibility1

OOM | small (15.79%) Known top crash
EMPTY: no frame data available; EmptyMinidump (5.59%) 1644486
OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (4.78%) 1969401
AsyncShutdownTimeout | quit-application | newtabTrainhopAddon scheduleUpdateTrainhopAddonState shutting down (4.67%) 2016440
OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (3.87%) 1472062
AsyncShutdownTimeout | IOUtils: waiting for profileBeforeChange IO to complete | JSON store: writing data for 'targeting.snapshot' (2.57%) 1877111
js::gc::detail::ChunkPtrHasStoreBuffer (1.85%) 1980548

Uplifts and Backouts
Bug	Component	Summary
2037923	XPCOM	Crash in [@ shutdownhang \| mozilla::scache::StartupCache::GetBuffer]
2039575	JavaScript Engine: JIT	Crash in [@ CanAttachDOMCall] on Raptor Lake CPUs
2046519	UI Tests	TestRail add_run now requires the include_all parameter, causing intermittent HTTP 500 ("Undefined array key 'include_all'") when creating test runs
2046567	Experimentation and Telemetry	Add X as a new marketing partner in Adjust
2046721	Homepage	[Homepage Sports Widget] [phase3] R32 future games displayed on group stage card
2046732	Homepage	[Homepage Sports Widget] [phase3] The last cards in the carousel do not have a corresponding focused dot
2046970	Homepage	[Homepage Sports Widget] [phase3] Fix null status clock and Halftime status on the Live match cards
2047473	Homepage	Sports widget: order the pager chronologically and open on the live (or next upcoming) match
2047850	Widget: Cocoa	Printing via system print dialog no longer works on Mac
2047933	Homepage	[Homepage Sports Widget] [phase3] Fix the flash in the sports widget when displaying a third place champions card and a finals card in the pager

Uplifts and Backouts
Bug	Component	Summary
1849039	DOM: Device Interfaces	Add DualSense support to Gamepad API
2014771	Onboarding	Remove the legacy Juno onboarding AND any remaining unused attributes from the onboarding redesign
2029632	Widget: Gtk	[X11] Video Flickering in Full Screen Mode
2031516	Machine Learning: Frontend	Integrate disambiguation flow for natural language tab actions
2031517	Machine Learning: Frontend	Show post-close message when closing current tab
2035139	Machine Learning: Frontend	Typing inside the smart bar during an AI response will no longer show the Go/Ask Dropdown
2035339	Machine Learning: Frontend	Implement conversation state and tool action state management
2035893	Machine Learning: Frontend	Handle new prompts while disambiguation/confirmation UI is active
2037203	Machine Learning: Frontend	Add telemetry for natural language browser actions
2037624	Machine Learning: General	Implement NL browser actions tool and integrate with front-end work
2038069	Machine Learning: Frontend	Render History Grid in Smart Window Responses
2038071	Machine Learning: Frontend	Display Metadata-Based Thumbnails with Fallbacks
2038073	Machine Learning: Frontend	Add History Grid Interaction Telemetry
2039867	Bookmarks	[Importing bookmarks] "Cancel" button on the "Importing bookmarks" dialog does not abort the process, resulting in bookmarks being imported in the background
2040036	Machine Learning: Frontend	Move natural language browser action UI strings into localization resources.
2040769	Machine Learning: Frontend	Handle direct tab close action without confirmation card
2040784	Contextual AI	ensure S2S CFR is not displayed when AI Controls is not enabled
2041089	Tabs	[Tab Groups] Long pressing a group (grid or list) should start a multi-selection
2042361	Toolbar	Toolbar elements change their position when turning the device from landscape to portrait mode
2042865	Machine Learning: Frontend	Add test coverage for history grid thumbnails
2043502	Graphics: WebRender	Broken gradients on GLES since Firefox 150 due to using mediump int
2044098	Machine Learning: Frontend	reuse chatbot keyboard shortcut for smart window assistant sidebar
2044288	Site Reports	www.kuaishou.com - Missing video thumbnails for some video sections
2044746	CSS Parsing and Computation	Hit MOZ_CRASH(assertion `left == right` failed left: 8 right: 0) at servo/components/style/sharing/mod.rs:158
2045094	Tabs	[Tab Groups] Tab groups aren't always displayed when first created
2045149	Security: RLBox	Hit MOZ_CRASH(RLBox crash: range has overflowed sandbox bounds) at /builds/worker/workspace/obj-build/dist/include/mozilla/rlbox/rlbox_helpers.hpp:28
2046131	Homepage	Enable Edge2Edge background by default on Release
2046401	DOM: Web Crypto	Performance regression in concurrent SubtleCrypto operations since Firefox 150, suspected NSS 3.122 upgrade
2046797	DOM: Device Interfaces	Gamepad API fails to re-detect Xbox 360 after hot plug when a second controller remains connected on Windows
2046945	New Tab Page	Widgets doesn't match UI locale after switching language from settings
2047467	Audio/Video: Playback	Update vendored mp4parse-rust to b693c7e4a91d
2047507	Contextual AI	15.83 - 5.37% cnn-ampstories FirstVisualChange + 5 more (Android) regression on Mon June 1 2026
2047849	Onboarding	Onboarding clean up and refactor
2047930	Onboarding	[Onboarding] Update Treatment C variant to the marketing data onboarding card
2047983	Settings UI	Update fluent strings for Settings pane headers that use message references
2048297	Homepage	Sports widget: from the quarter-finals, show the full remaining bracket in the no-team pager
2048329	Experimentation and Telemetry	Microsurvey bottom sheet requires scrolling to reach the Submit button
2048663	Internationalization: Localization	test_l10nregistry_observer.js has a perma failure on shippable Android multi-locale builds
2048993	Contextual AI	Shake to summarize feature available but not listed in AI controls
2049060	Contextual AI	Update shake-to-summarize nimbus features to use the same defaults everwhere

OOM | small (17.18%) Known top crash
OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (4.80%) 1969401
OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.21%) 1472062
js::gc::HeaderWord::get (3.66%) 1993404
shutdownhang | mozilla::SpinEventLoopUntil | nsThreadPool::ShutdownWithTimeout (3.31%) 1866944
AsyncShutdownTimeout | quit-application | newtabTrainhopAddon scheduleUpdateTrainhopAddonState shutting down (2.55%) 2016440
js::gc::detail::ChunkPtrHasStoreBuffer (2.08%) 1980548

Uplifts and Backouts
Bug	Component	Summary
2049845	New Tab Page	Firefox 152.0.2 extreme memory usage and complete freeze on startup (regression from 152.0.1)

OOM | small (17.83%) Known top crash
js::gc::HeaderWord::get (5.37%) 1993404
OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::gc::FreeSpan::allocate (4.73%) 1969401
OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash_impl | js::AutoEnterOOMUnsafeRegion::crash | js::gc::AllocateTenuredCellInGC (4.19%) 1472062
shutdownhang | mozilla::SpinEventLoopUntil | nsThreadPool::ShutdownWithTimeout (4.12%) 1866944
js::gc::detail::ChunkPtrHasStoreBuffer (2.19%) 1980548
shutdownhang | mozilla::SpinEventLoopUntil | nsThreadManager::SpinEventLoopUntilInternal (2.14%)

Uplifts and Backouts
Bug	Component	Summary
2030299	Search	If there are duplicate keywords for search engines, the typed keyword and autocompleted keyword selects different engines
2033002	Machine Learning: Frontend	Build feedback modal shell and wire to thumbs actions
2034541	Machine Learning: Frontend	Send user feedback payload via Glean
2037701	Tabs	Nightly: The app automatically returns to the tab select window every time I exit the app.
2038069	Machine Learning: Frontend	Render History Grid in Smart Window Responses
2038071	Machine Learning: Frontend	Display Metadata-Based Thumbnails with Fallbacks
2038073	Machine Learning: Frontend	Add History Grid Interaction Telemetry
2038130	Machine Learning: Frontend	The Keep Closed? callout is displayed when closing a Sidebar with a started conversation
2040844	Widget: Cocoa	macOS: Restore Edit menu SF Symbol icons and NSSavePanel sheet undo by overriding undo:/redo: on ChildView
2040851	Widget: Cocoa	macOS: Don't mirror XUL command disabled state to NSMenuItem for standard Edit menu items routed via the responder chain
2041077	Settings UI	manage cookies and site data empty
2042865	Machine Learning: Frontend	Add test coverage for history grid thumbnails
2044325	Graphics: WebGPU	Crash in [@ wgpu_hal::auxil::dxgi::result::impl$0::into_device_result::closure$0<T>]
2046026	Web Apps	Youtube web app shows a white icon on the Taskbar/Panel
2046553	Installer	ERR_INSTALL_TIMEOUT isn't mapped to 'install_timeout' telemetry metric in telemetry.nsh
2046696	Toolbar	Swiping vertically in search results can open the tabs tray
2047491	Search	CTRL+up/down arrow does not re-order the search engines correctly anymore
2047620	Address Bar	Update handling of sorting of Semantic Search results so they rarely evict exact-match results from address bar results
2049307	DOM: UI Events & Focus Handling	Incorrect tab focus after clicking internal link
2049515	Experimentation and Telemetry	Add UTM source detection for Reddit attribution
2049564	Privacy	Don't show the trackers pill on home if no trackers are blocked and protections dashboard is not available
2050195	Machine Learning: Frontend	Fix glean.error.invalid_value for microsurvey.smart_window.chat metric
2045623	Other	…
2045852	Other	…
2046814	Other	…
2043241	Other	…
2045746	Other	…
2045765	Other	…
2045514	Other	…
2049409	Other	…
2049840	Other	…
2045576	Other	…

Uplifts and Backouts
Bug	Component	Summary
2035772	Contextual AI	[Shake to Summarize] Page summaries is cropped in landscape on Samsung Galaxy S9
2036806	Search	Add nimbus flag for expanded toolbar feature
2043379	Crash Reporting	Make the crash helper fail gracefully if the main process doesn't rendez-vous in due time
2047112	Machine Learning: Frontend	The AI Assistant Manage tabs tool will not close unloaded tabs or tabs that are not fully loaded
2048202	Homepage	Crash in [@ java.lang.IllegalStateException: at androidx.fragment.app.Fragment.requireContext(Fragment.java)] on Homepage
2048383	Settings UI	"Manage payment methods" list empty when a saved card has no expiration date
2049602	Downloads	Crash [@ android.os.FileUriExposedException: at android.os.StrictMode.onFileUriExposed(StrictMode.java) ]
2049750	Toolbar	"Swipe toolbar vertically to see open tabs" interferes with tab bar scrolling
2050518	Protections UI	Add method to query daily tracker stats to PrivacyMetricsService
2051041	Downloads	Downloads being deleted when "Remove from download history" option selected
2051090	Crash Reporting	crashed-tab UI doesn't show any check on the "submit crash report to Mozilla" checkbox, even when it's checked
2051274	DOM: HTML Parser	Crash in [@ mozilla::IdleTaskRunner::CancelTimer]
2051431	Homepage	[Homepage Sports Widget] Disable WorldCup Widget after a particular date
2052161	Mozbase Rust	Crate depends on a vulnerable version of quick-xml.