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32 uplifts

Uplifts and Backouts
Bug Component Summary
2047564 Machine Learning: Frontend The History items retrieved by the AI model and displayed in a List will show the Untrusted webpage data message
2049048 Style Editor Saving loaded css opens "Save stylesheet dialog" (140.12.0esr)
2056645 Machine Learning: Models remove world cup-related tool calls
2056732 Machine Learning: Frontend automatically download smart tab grouping models without extra opt-in for smart window auto tab grouping
2056740 Shared Components The ruler highlighter isn't removed when closing DevTools
2056856 Tabbed Browser The tab titles are cut off at the beginning, if System font is `MS UI Gothic`
2057443 Themes Tab group colors in address bar suggestions have become low contrast and no longer match color used in tab strip in dark mode
2058270 Machine Learning: Frontend Gate Smart Window ATG/'Organize Tabs' button to minimum user RAM
2059274 Networking Firefox stopped asking to allow Local Network Devices permission for some sites in March 2026 but Chrome allows the access
2059393 Messaging System [snap] Hamburger menu has become slow to open (500ms jank) related to isDefaultBrowserUncached()
2059955 Android Studio and Gradle Integration Enumerate android-gradle-dependencies by Gradle build, and verify the packaged cache is complete
2061477 Machine Learning: Frontend SW ATG: Create 'View Tab Groups' Dropdown
2061658 DOM: Networking Check for Android ACCESS_LOCAL_NETWORK permission before attempting an LNA connection
2061846 Privacy [VPN] After the sign-in flow, VPN shows the catastropic error
2061856 Tabbed Browser removeAllDuplicateTabs anchors its "closed N tabs" hint to the All Tabs button, which may not be on the toolbar
2062108 Task Configuration win32 onnxruntime toolchain builds an x64 DLL, disabling native ONNX on 32-bit Firefox
2063115 Toolchains Perma firefox-release Android-lite [gradle:error]: > Could not determine the dependencies of task ':messaging_example:compileDebugJavaWithJavac'.
2063312 Graphics: WebRender Crash in [@ mozilla::layers::WebRenderAPZAnimationData::GetAnimationId]
2063371 Security: PSM Upgrade Firefox 154 to NSS 3.126.1
2063599 Form Autofill Disable ML autofill for release build
2063993 Password Manager Disable Rust Storage for release build
2064188 Nimbus Desktop Client Nimbus 6h periodic timer may not be firing
2064507 Tabs When all normal and active tabs are selected for deletion, inactive tabs are deleted too
2064648 DOM: Service Workers crash service workers: mozilla::dom::OptionalServiceWorkerData::AssertSanity
2064652 Shell Integration Keeps creating shortcut in Start Menu
2065007 Graphics Build failure due to X11 macro Success conflicting with MOZILLA_PKIX_MAP(Success, 0, 0)
2065136 Layout: Block and Inline Crash in [@ nsBlockFrame::RemoveFrame]
2065145 Form Autofill ML model cannot detect address fields in some platforms
2065199 Menus Bidirectional text in bookmark menus changed in v 154.0
2065203 Password Manager Fix test regression
2065582 Privacy Update list of allowed regions for IPProtection
2065593 Password Manager Restore logins from SQLite after swithching back to JSON