Bug 1637235 R[Core:Audio/Video: MediaStreamGraph]setSinkId: Handle audio clock drift error
Bug 1642232 R[Core:CSS Parsing and Computation]Remove SheetState::Unknown
Bug 1637413 R[Core:Canvas: 2D]Intermittent /html/canvas/offscreen/the-offscreen-canvas/offscreencanvas.commit.w.html | ReferenceError: OffscreenCanvas is not defined
Bug 1632283 R[Core:Canvas: WebGL]Improve WebGL IpdlQueue Performance
Bug 1620679 R[Core:DOM: Content Processes]crashtest layout/printing/crashtests/793844.html consistently asserts with Fission (Overwriting an existing document channel, Wrong Document Channel)
Bug 1637085 N[Core:DOM: Content Processes]Use async shutdown rather than nested event loops in ContentParent
Bug 1580766 N[Core:DOM: Content Processes]Expose a "session id" on CanonicalBrowsingContext, preserved when a tab's top level BC is replaced
Bug 1359867 R[Core:DOM: Core & HTML]Add attribute allow-top-navigation-by-user-activation to iframe sandbox
Bug 1557407 R[Core:DOM: Core & HTML]Don't expose the `DOMWindowClosed` event to content
Bug 1642262 R[Core:DOM: Core & HTML]line number in usecounters.py error message is off by one
Bug 1632441 R[Core:DOM: Core & HTML]Script-closable window with http:// URL opened from a file:// window does not close after calling window.close()
Bug 1636823 A[Core:DOM: File]Mixed BLOB objects can't be downloaded correctly
Bug 1353466 R[Core:DOM: Navigation]Window opened with window.open, `noopener` feature cannot close itself
Bug 1634252 A[Core:DOM: Navigation]Named popup window is opened in duplicate when open it from file: protocol
Bug 1642491 R[Core:DOM: Navigation]Avoid recreating PreallocatedProcessManager during shutdown
Bug 1620714 R[Core:DOM: Window and Location]the-window-object/closed-attribute.window.js.ini WPT FAIL with Fission
Bug 1642141 R[Core:Disability Access APIs]Crash in [@ mozilla::a11y::AccessibleHandlerControl::CacheAccessible]
Bug 1641224 R[Core:Graphics: WebRender]Add a try preset for webrender performance
Bug 1640523 R[Core:Graphics: WebRender]Text is Unreadable in Any Webpage with an extremely large Drop Shadow
Bug 1641704 R[Core:Graphics: WebRender]Investigate update_visibility overhead
Bug 1637497 R[Core:Graphics: WebRender]Partial present causes glitches on Win7 with non-Aero theme
Bug 1641751 A[Core:Graphics: WebRender]Improve texture cache eviction policies
Bug 1642079 R[Core:Graphics: WebRender]CSS `transition: scale` causes jitter and not smooth
Bug 1641208 R[Core:ImageLib]`Accept` header does not include `image/avif` even when `image.avif.enable` is set
Bug 1640923 R[Core:JavaScript Engine]Add Iterator constructor to global object
Bug 1641352 R[Core:JavaScript Engine]Irregexp: GC-free regexp parsing
Bug 1638246 R[Core:JavaScript Engine: JIT][MIPS] Fix build failures on MIPS (error: call to deleted member function 'branchTestGCThing)
Bug 1642265 R[Core:JavaScript Engine: JIT][MIPS] fix build issues caused by recent updates (branchTestSymbol, fallibleUnboxPtr)
Bug 1636419 R[Core:JavaScript: GC]There's no GC telemetry for mobile platforms
Bug 1641739 R[Core:Layout]Reduce the support child list types for flex / grid container's frame list manipulation methods
Bug 1642038 R[Core:Layout]Improve APIs related to manipulating overflow list and nsFrameList
Bug 1642036 R[Core:Layout]Move nsContaineFrame's method definitions from nsFrame.cpp to nsContainerFrame.cpp
Bug 1343948 R[Core:Layout]ASSERTION: conflicting overflow containers lists: '!(overflowContainers && GetPrevInFlow() && static_cast<nsContainerFrame*>(GetPrevInFlow()) ->GetPropTableFrames(ExcessOverflowContainersProperty()))'
Bug 1641978 R[Core:Layout: Form Controls]Reset button on input[type=date] should inherit color
Bug 1639698 R[Core:Layout: Text and Fonts]font-display fails for first text with line-height
Bug 1642318 R[Core:Networking]network.http.sanitize-headers-in-logs should be RelaxedAtomicBool
Bug 1254030 R[Core:Panning and Zooming]Drag previews are in the wrong place with desktop zooming enabled
Bug 1637708 R[Core:Preferences: Backend]Convert all the Varcache prefs in toolkit/*
Bug 1642233 R[Core:Printing: Setup]Rename nsPrintObject's mDontPrint and IsPrintable for consistency with its EnablePrinting
Bug 1639833 A[Core:Privacy: Anti-Tracking]IntrinsicStoragePrincipal should be always have the first-party-domain attribute set.
Bug 1638920 R[Core:Security: PSM]Replace the dedicated Rust `cert_storage` thread with a background task queue
Bug 1640697 R[Core:WebRTC: Signaling]MID filtering filters out RTX packets
Bug 1634454 R[Core:XPCOM]Promise-backend.js fails to load on Windows if it's a symlink
Bug 1641262 R[DevTools:Inspector: Compatibility]Fix the info icon for dark mode in the Compatibility tab
Bug 1642201 R[DevTools:Netmonitor]Edit-and-Resend headers start with `undefined` and have two trailing newlines
Bug 1621781 R[DevTools:Responsive Design Mode]Support mobile swipe/drag gestures in RDM
Bug 1638275 R[Firefox:Address Bar]The search panel one offs container is not hidden after removing several search engines
Bug 1642082 R[Firefox:New Tab Page]Regression: Top Sites area on New Tab Page is no longer collapsable
Bug 1642165 R[Firefox:Preferences]"Manage Permissions" when deleting cookies/site data when Firefox is closed is confusing, should be "Manage Exceptions" to match ETP preferences
Bug 1641288 R[Firefox:Search]Intermittent toolkit/components/search/tests/xpcshell/test_hidden.js | xpcshell return code: 0 | invalid_engine - [invalid_engine : 80] 1 == 2
Bug 1604170 R[Firefox:Sync]No icon for “Credit Cards” in “Sync Settings”
Bug 1635213 R[Firefox:Sync]Develop UITour API for the FxA sign in flow
Bug 1641005 R[Firefox:Sync]Rust-based Chrome.storage.sync doesn't notify observers of the changes caused by sync
Bug 1641396 R[Firefox:about:logins]Add telemetry for the the about:logins menu items
Bug 1642267 A[Firefox:about:logins]The AutoAdminLogon and RequireSignon telemetry data is only recorded for successful authentications
Bug 1642040 R[Firefox Build System:Bootstrap Configuration]Add VoidLinux support to mach bootstrap
Bug 1641992 R[Firefox Build System:General]Add argument to `mach busted file` to specify which component the bug should be filed against
Bug 1641991 R[Firefox Build System:General]Remove deprecated mochitest mach commands
Bug 1642418 R[Firefox Build System:General]Perma tier 2 0:37.27 python/mach/mach/test/test_commands.py::TestCommands::test_mach_completion TEST-UNEXPECTED-FAIL
Bug 1642266 R[Firefox Build System:General]Firefox no longer compiles with the macOS 10.14 SDK (error: reference to 'Rect' is ambiguous)
Bug 1642015 R[Firefox Build System:General]Don't dump a raw bytestring to the terminal in RunCBindgen.py
Bug 1641693 R[Firefox Build System:General]Replace a bunch of uses of GENERATED_FILES with the GeneratedFile template
Bug 1642439 R[Firefox Build System:General]Fix test_error_output.py
Bug 1642385 R[Firefox Build System:General]Add foolproof error message to mozprocess when write errors occur
Bug 1626761 R[Firefox Build System:Source Code Analysis]nsBidiUtils.cpp: do not use 'else' after 'return'
Bug 1641395 R[Firefox Build System:Task Configuration]intermittent crashes or failures of media-related on ubuntu1804
Bug 1641134 R[Firefox Build System:Try]`mach try chooser --pernosco` fails with KeyError: 'no_artifact'
Bug 1593683 N[GeckoView:General]cursor is jumping when using the arrow keys in input field on GBoard
Bug 1575999 R[GeckoView:General]Android javadoc lint isn't sufficiently strict
Bug 1513003 R[Toolkit:Password Manager]PasswordManager:findLogins/:autoCompleteLogins actor topics allow querying for any origin's login
Bug 1583484 R[WebExtensions:General]Switch extension messaging / Ports to Conduits
Bug 1642271 R[WebExtensions:Storage]Don't sync webextensions.storage.sync.kinto
Bug 1635348 R[WebExtensions:Storage]Migrate browser.sync.storage data in a sensible way given quotas are not currently enforced.
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Changes to 83 bugs - 71 fixed.
1 bugs are not included due to being restricted