Bug 1571513 R[Core:Audio/Video: Playback]Audiosinks are not cleaned up on navigation
Bug 1617600 N[Core:CSS Parsing and Computation]Prototype focus-visible behind a flag.
Bug 1617751 R[Core:Canvas: WebGL]Assertion failure calling gl->Screen()->Front()->ToSurfaceDescriptor() in WebGLContext::Present (on Android)
Bug 1617512 N[Core:Canvas: WebGL][NSFW] WebGL game broken: https://love-joint-games.com/DfD/public/ch14/1.0.0/
Bug 1611847 R[Core:DOM: Animation]Assertion failure: isRelevant == ((IsCurrent() || IsInEffect()) && mAnimation && mAnimation->ReplaceState() != AnimationReplaceState::Removed) (Out of date Animation::IsRelevant value), at /builds/worker/workspace/build/src/dom/animation/KeyframeEffect.cp
Bug 1612106 R[Core:DOM: Animation]Add a separate pref for read-only Animation.timeline
Bug 1496147 R[Core:DOM: Bindings (WebIDL)]Use UniquePtr rather than nsAutoPtr for owned pointers in WebIDL
Bug 1607366 N[Core:DOM: Content Processes]Show an infobar warning if a user runs Fission without WebRender enabled
Bug 1561488 R[Core:DOM: Content Processes]Crash in [@ mozilla::dom::BrowserChild::RecvUIResolutionChanged]
Bug 1616257 R[Core:DOM: Editor]Redesign `WSRunScanner::NextVisibleNode()` and `WSRunScanner::PriorVisibleNode()`
Bug 1616539 R[Core:DOM: Editor]Cannot drag & drop an image file to contenteditable from Windows10 Explorer even if insertion point is indicated
Bug 1615897 R[Core:DOM: File]Blob URL should not ignore query or fragment
Bug 1535617 R[Core:DOM: Navigation]Intermittent GECKO(2167) | SUMMARY: AddressSanitizer: SEGV /builds/worker/workspace/build/src/obj-firefox/dist/include/mozilla/dom/BrowsingContext.h:154:41 in IsContent
Bug 1617254 R[Core:DOM: Navigation]BrowsingContext.getChildren() should probably just be BrowsingContext.children
Bug 1616716 A[Core:DOM: Navigation]Don't use BrowserParent* in DocumentLoadListener
Bug 1616254 R[Core:DOM: Service Workers]Crash in [@ mozilla::dom::ServiceWorkerManager::RegistrationDataPerPrincipal::ScopeContainer::MatchScope]
Bug 1602692 R[Core:Disability Access APIs]Enable a11y browser tests depending on takeFocus for Fission
Bug 1616466 R[Core:Disability Access APIs]Support expand and collapse actions
Bug 1616337 R[Core:Disability Access APIs]Move a11y focus to root view when pivoting previous from first node
Bug 1617805 R[Core:Graphics: WebGPU]Perma wgpu bustage "Building git equivalent for 8f51a5fac21cb52e2ddb647f0b99a9bfccb41f6a on top of None"
Bug 1608189 R[Core:Graphics: WebRender]Expose WebRender captures on beta/release
Bug 1617493 R[Core:Graphics: WebRender]Handle svg patterns better with WebRender
Bug 1596513 N[Core:Graphics: WebRender][SVG] drop-shadow blur becomes solid when WebRender is on
Bug 1617880 R[Core:ImageLib]Make RecyclingSourceSurface use NotNull for member pointers
Bug 1617863 R[Core:JavaScript Engine]JS_ReadStructuredClone should accept a const JSStructuredCloneData&
Bug 1604593 R[Core:JavaScript Engine]Intermittent [tier2] GECKO(1115) | Assertion failure: IsWindowProxy(obj), at /builds/worker/workspace/build/src/js/src/vm/Compartment.cpp:247
Bug 1617306 R[Core:JavaScript Engine]Move MutableScriptFlags into SharedStencil
Bug 1617174 R[Core:JavaScript Engine: JIT]Use boxAtStart for LCheckThis and LCheckThisReinit
Bug 1536450 R[Core:JavaScript Engine: JIT]Make MacroAssembler::getStackPointer non-static
Bug 1617853 R[Core:JavaScript Engine: JIT]GetPropIRGenerator::tryAttachPrimitive doesn't need to handle primitive holder values for super properties
Bug 1617196 R[Core:JavaScript Engine: JIT]Change LCheckReturn to use an ool vm-call instead of a bailout for error reporting
Bug 1617593 R[Core:JavaScript Engine: JIT]Get rid of the StupidAllocator
Bug 1615362 R[Core:JavaScript: GC]Registered targets shouldn't keep their FinalizationGroup alive
Bug 1613713 R[Core:JavaScript: Internationalization API]Ship Intl.Locale
Bug 1617753 R[Core:Layout: Form Controls]Hit MOZ_CRASH(nsFieldSetFrame::RemoveFrame not supported) at /builds/worker/workspace/build/src/layout/forms/nsFieldSetFrame.cpp:809
Bug 1617515 R[Core:Layout: Text and Fonts]Gaps in the underline don't align right when an emoji is placed in the text
Bug 1617546 R[Core:MFBT]mozilla::Nothing should provide an operator==
Bug 1607134 R[Core:Networking]ThreadSanitizer: data race [@ mozilla::net::ProxyAutoConfig::SetThreadLocalIndex] vs. [@ GetRunning] on mozilla::net::sRunningIndex
Bug 1616171 R[Core:Networking]Move initiatorType from DocumentChannelCreationArgs to BrowsingContext
Bug 1616938 R[Core:Networking]TestNetworkLinkIdHashingWindows fails under ASan
Bug 1604212 A[Core:Networking: Cookies]Enable sameSite=lax by default on Nightly
Bug 1617322 R[Core:Networking: HTTP]Intermittent PID 18318 | Assertion failure: mTransaction, at /builds/worker/workspace/build/src/netwerk/protocol/http/nsHttpChannel.cpp:9542
Bug 1617836 N[Core:Platform Fuzzing Team]Import the sanitizer doc from mdn to in-tree
Bug 1617771 R[Core:SVG]Replace nsAutoPtr usage in dom/svg with UniquePtr
Bug 1616780 R[Core:Security: Process Sandboxing]Crash in [@ syscall] on glib >=2.63
Bug 1617653 R[Core:Storage: localStorage & sessionStorage]Replace nsAutoPtr usage in dom storage with UniquePtr
Bug 1617925 R[Core:WebRTC]Get rid of 2 unused variables in PeerConnectionImpl
Bug 1617854 R[Core:Widget: Gtk][Wayland] Ship wayland related preferences at StaticPrefList.yaml
Bug 1617575 R[Core:Widget: Gtk][Wayland] Firefox throws IPDL protocol Error: Received an invalid file descriptor
Bug 1617858 R[Core:Widget: Gtk][Linux] White vertical bar in native-styled select dropdown widget, on Ubuntu 19.10
Bug 1610560 R[Core:Widget: Win32]Collect Telemetry on whether the host system has SuperFetch / Prefetch disabled
Bug 1617628 R[Core:XPCOM]Hide base class Put overloads in nsRefPtrHashtable to avoid implicit refcounting
Bug 1617990 R[Core:XPCOM]Tweak a few users of nsTSubString::Adopt
Bug 1617604 R[Core:XPCOM]Fallible nsTArray::EmplaceBack cannot be called
Bug 1617841 R[Core:XPCOM]nsClassHashtable::Put should accept a UniquePtr rvalue
Bug 1617542 R[Core:XPCOM]nsRefPtrHashtable::Put should accept a RefPtr rvalue
Bug 1617898 R[Core:XPCOM]Provide RemoveIf function on nsBaseHashtable
Bug 1612298 R[DevTools:CSS and Themes]Replace last PNG icon in devtools/client/themes
Bug 1616781 R[DevTools:Console]Clean up webconsole.css's General output styles
Bug 1617210 R[DevTools:Debugger]Properties with same values can't be expanded in the scopes panel
Bug 1545727 N[DevTools:JSON Viewer]The viewer for JSON responses is completely inaccessible
Bug 1613890 A[DevTools:Netmonitor]Refactor the Security panel on top of new PropertiesView
Bug 1617208 N[DevTools:Performance Tools (Profiler/Timeline)]Remove the ifdefs for about:profiling
Bug 1597378 N[DevTools:Performance Tools (Profiler/Timeline)]Create the new UI for the minimal popup/doorhanger
Bug 1144438 A[DevTools:Performance Tools (Profiler/Timeline)]Handle when profiler unexpectedly stops (via "profiler-stopped" from root)
Bug 1607999 R[DevTools:Responsive Design Mode]Custom User Agent String is not retained in a 302 redirection
Bug 1577963 A[DevTools:Responsive Design Mode]Intermittent devtools/client/responsive/test/browser/browser_preloaded_newtab.js | uncaught exception - TypeError: this._securityUI is null at updateSecurityUIForSecurityChange@chrome://global/content/elements/browser-custom-element.js:1521:9
Bug 1617696 R[Firefox:Address Bar]Stop splitting address bar expansion between _on_focus and _on_click
Bug 1616460 R[Firefox:Bookmarks & History]bookmarks tree view can cause bookmarks to be moved even when it's not visible
Bug 1569106 A[Firefox:General]Perma tier 2 browser/base/content/test/fullscreen/browser_bug1557041.js | Test timed out -
Bug 1616714 N[Firefox:General]Intermittent browser/base/content/test/zoom/browser_default_zoom_sitespecific.js | Test timed out -
Bug 1612914 R[Firefox:Messaging System]Enable the topstories provider in mochitests
Bug 1616347 R[Firefox:New Tab Page]Add a preference to control the static about:home cache behaviour
Bug 1612091 A[Firefox:Protections UI][Protection Report] Add mobile call-out to ETP card
Bug 1616052 R[Firefox:Remote Settings Client]Add low-lever helpers for debugging and testing
Bug 1605973 A[Firefox:Remote Settings Client]Crash in [@ AsyncShutdownTimeout | profile-before-change | Remote Settings profile-before-change]
Bug 1613790 R[Firefox:Security]Experiment: Measure and compare performance of TRR providers
Bug 1616600 R[Firefox:Site Permissions]The Firefox process will not shut down after closing the browser if the Camera and Microphone are allowed in different tabs
Bug 1589493 N[Firefox:Tabbed Browser]Make it possible for the front-end to determine that a frame crash was caused by an OOM
Bug 1578736 R[Firefox:about:logins]Wrong context menu is displayed when right click on the website's link
Bug 1617801 R[Firefox Build System:General]Add UPX as an explicit dependency of the build
Bug 1606922 R[Firefox Build System:General]stop packaging tests on Android platforms where we don't run tests
Bug 1617639 R[Firefox Build System:General]No need to pass -LTCG in AR_FLAGS for Windows
Bug 1617844 R[Firefox Build System:Generated Documentation]Add docs for Mercurial Bundles
Bug 1617846 R[Firefox Build System:Generated Documentation]Update README with matrix reference instead of IRC
Bug 1617369 N[Firefox Build System:Lint and Formatting][rust] Reformat the tree using rustfmt
Bug 1617750 R[GeckoView:General]Make hidden window lazy load for GeckoView
Bug 1617642 R[Release Engineering:General]pipfile-updates task needs version changes to work cleanly
Bug 1562412 R[Release Engineering:General]Intermittent iscript.exceptions.IScriptError: ('%s in %s exited %s!\n%s', ['xcrun', 'altool', '--notarization-info', 'd087a306-193c-4e1f-a991-c5ee01a64f0b', '-u', 'release_appleagent@mozilla.com', '--password', '********'], '/builds/scriptworker', 239
Bug 1605275 R[Release Engineering:General]Add a tool to make testing scriptworker changes against mozilla-central easier.
Bug 1615449 A[Toolkit:Add-ons Manager]Intermittent TEST-UNEXPECTED-TIMEOUT | toolkit/mozapps/extensions/test/xpinstall/browser_doorhanger_installs.js | application timed out after 370 seconds with no output
Bug 1617202 R[Toolkit:Crash Reporting]Turn TelemetrySessionId into a regular annotation
Bug 1611634 R[Toolkit:Video/Audio Controls]Picture-in-Picture keyboard shortcut should open the video currently playing if there's multiple videos on a page
Bug 1617511 R[Tree Management:Treeherder: Frontend]Please add a textual description to the docs on attaching new try jobs to a run from treeherder
Bug 1286953 R[WebExtensions:General]Add new zoomSiteSpecific and zoomFullPage settings in browserSettings API
###########
Changes to 98 bugs - 77 fixed.
3 bugs are not included due to being restricted