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68 uplifts

Uplifts and Backouts
Bug Component Summary
1255338 DOM: Core & HTML Change the way pointerlock works on e10s
1969933 Settings UI Intermittent browser/components/preferences/tests/browser_experimental_features_filter.js | test-featureA should be visible after search cleared -
2031600 Site Reports indeed.com - Missing passkey support
2040628 Widget: Win32 [Windows] Use native API for pointer lock
2042931 Privacy [IPProtection] Update the sumo link
2043426 Installer windows_ubr installer telemetry metric is usually -1
2050242 Task Configuration Add release-branches to gecko_taskgraph's GraphConfigSchema
2050585 Task Configuration Use release_level from mozilla-taskgraph in gecko_taskgraph transforms
2052011 General about:config fails to load on Fenix due to inline JS being blocked by CSP
2052276 Contextual AI Enable S2S by default
2052460 Onboarding Update marketing onboarding card buttons in treatment C
2053012 General Perma Cargo-audit /builds/worker/checkouts/gecko/Cargo.lock:-1:-1 | Crate depends on a vulnerable version of crossbeam-epoch.
2053239 Task Configuration Use get_release_config from mozilla_taskgraph
2053363 Widget: Gtk Telemetry data for IME, GTK, DE is NULL a lot
2053586 Audio/Video: Playback No audible sound after resuming playback on mirlo
2053710 Search Overridden application provided search engines should not display the "New" label
2053757 Layout: Generated Content, Lists, and Counters Perma TEST-UNEXPECTED-FAIL | /css/css-pseudo/input-element-pseudo-open.optional.html | CSS :open for <input type=color> - assert_true: Should match :open after opening the picker. expected true got false when Gecko 154 merges to Beta on 2026-07-20
2053867 DOM: UI Events & Focus Handling Hit MOZ_CRASH(Invalid ContentCache data) at checkouts/gecko/widget/ContentCache.cpp:107
2054428 DOM: Navigation view-source:blob doesn't work
2054485 IPC Crash in [@ mozilla::ipc::FatalError | mozilla::ipc::IProtocol::HandleFatalError | mozilla::ipc::IProtocol::FatalError | nsDocShellLoadState::nsDocShellLoadState]
2054487 View Source Perma beta/esr toolkit/components/viewsource/test/browser/browser_srcdoc.js | single tracking bug
2054510 Release Automation remove landoscript payload builder from gecko
2054525 Inspector: Rules Pseudo-elements can be open one time only
2054812 Privacy [IPProtection] VPN Authorization breaks if fxa token expired
2055054 Graphics: Color Management [HDR] Add display information for HDR range to about:support
2055421 Release Automation release-to-esr action is broken with SchemaValidationError
2056076 General Remove freezeBuiltins exception from devtools loader
2056086 General Upgrade json5.js to the ESM version without unnecessary polyfills
2056166 Experimentation and Telemetry Crash in [@ java.lang.IllegalStateException: at android.os.Parcel.createExceptionOrNull(Parcel.java)]
2056650 New Tab Page Custom newtab wallpapers flash / blink some seconds after loading newtab
2056917 JavaScript Engine: JIT [riscv64] Compilation failure on GCC 15+: declaration of ‘int js::jit::InstructionBase::BaseOpcode() const’ changes meaning of ‘BaseOpcode’
2056926 CSS Parsing and Computation Paper over partial update issues causing startup crashes when loading UA stylesheets.
2057731 CSS Parsing and Computation Add telemetry for the "global stylesheet not found" case.
Uplifts and Backouts
Bug Component Summary
2056836 Toolbar Crash in [@ java.lang.IllegalArgumentException: at androidx.compose.ui.text.internal.InlineClassHelperKt.throwIllegalArgumentException(InlineClassHelper.kt:3)]
Uplifts and Backouts
Bug Component Summary
2019042 Machine Learning: Frontend smartbar suggestion list is shorter than address bar making it hard to switch to open tabs, other suggest results further down
2037171 Machine Learning: General [Models] Re-architect Prompts
2040673 Crash Reporting crashhelper - does not honor MOZ_CRASHREPORTER_DISABLE=1 / application.ini
2041835 Machine Learning: Frontend Add tool-call telemetry events for Smart Window assistant with prompt versioning
2042101 Inspector [devtools-toolbox-crash] Error: Protocol error (TypeError): can't access dead object from: server0.conn3.watcher2.process53801//domwalker700 (resource://devtools/server/actors/inspector/event-collector.js:278:21)
2042830 Machine Learning: Frontend Smart Window: @-mentioned tabs not propagated to model - contextMentions arrives empty at prompt building
2044385 Machine Learning: Frontend Add Exa action log entry for web search tool calls (v0)
2046183 Machine Learning: General Implement V0 Search Loop validation, orchestration, and tool gating for search_the_web
2046494 Search Fetch additional results from Merino for Online Suggest
2046622 Machine Learning: Frontend Add Exa tool call support to Action Log
2050291 Machine Learning: Frontend Create SplitView Trigger that gets fired on using split view feature
2050294 Audio/Video: cubeb Perma windows cubeb.loopback_separate_streams | Expected: (io_mas) < (output_silence_mas), actual: nan vs 0.63661831792587364
2054960 General Add timeouts between LLMaJ telemetry runs
2056271 Machine Learning: General search_the_web tool swap forces tool calls into content
2056444 Audio/Video: Playback MP4 video remains stuck loading when a Blob URL is created from a fetched ArrayBuffer
2056626 Machine Learning: General Improve pageload handling in exa-powered search tool calls
2056669 Search [Google Lens Fenix] Remove `uploadByUrl` endpoint from Google Lens integration
2056725 Machine Learning: General Console.maxLogLevelPref used with a non-existing pref: browser.smartwindow.telemetryLogLevel
2056857 Sidebar [Regression] in 153.0: Cannot open History sidebar (ctrl-H) when "Show Sidebar" is disabled in the settings
2056865 File Handling Dragging a bookmark or website to the desktop marks the Internet Shortcut as untrusted/unsafe
2058197 General Extend the window of time during which the updater prevents firefox.exe from running by always applying the firefox.exe patch last in partial updates
2058264 IP Protection Bug: Mozilla VPN upgrade promo shows in regions where VPN is unavailable (Japan)
2058594 General optimize partial MAR operation order to minimize the chance of crashes
2058759 General remove firefox.exe hardcoding in make_incremental_updates.sh
2055683 Other …
Uplifts and Backouts
Bug Component Summary
2056198 Homepage Permanent org.mozilla.fenix.settings.HomeSettingsFragmentTest.GIVEN the Homepage Sports Widget feature is enabled WHEN accessing settings THEN the World Cup toggle is visible | java.lang.AssertionError
2056364 Remote Settings Client Make remote-settings v2 the default for desktop clients
2056728 Tabs 3 dots menu on tab groups are not localizable
2058714 Search Same-document navigation can originate a SERP impression for a browser with no prior tracked session
2058906 Remote Settings Client Perma services/settings/test/unit/test_remote_settings_release_prefs.js | test_server_url_can_be_changed_to_another_valid_option - [test_server_url_can_be_changed_to_another_valid_option : 78] - when Gecko 155 merges to Beta on 2026-08-13
2058916 Toolbar IllegalArgumentException in HighlightedDomainUrlKt.computeDomainEndScrollValue
2059647 Data Sanitization Firefox freezes when deleting Browsing History
2060163 UI Tests Disable failing defaultSearchCodeDuckDuckGoUS UI test
2060511 Site Reports www.nintendo.com - Missing and misaligned elements