Bug 1651446 R[Core:Audio/Video: Playback]ThreadSanitizer: data race [@ free] vs. [@ posix_memalign] in FFmpegDataDecoder
Bug 1578042 R[Core:Audio/Video: Playback]Skipped frame count is inaccurate, at least on non-WebRender macOS: We're dropping *more* frames than we think we are
Bug 1652698 R[Core:CSS Parsing and Computation]Frog test website performs very poorly relative to Chrome
Bug 1654048 R[Core:Canvas: WebGL]ImplCycleCollectionUnlink(std::shared_ptr<webgl::NotLostData>&) doesn't release the object
Bug 1654107 R[Core:DOM: Animation]Fix non-unified build errors in CompositorAnimationStorage.{h,cpp}
Bug 1652000 R[Core:DOM: Content Processes]about:processes uses too much CPU
Bug 921504 N[Core:DOM: Core & HTML]Implement the HTML inert attribute
Bug 1653199 N[Core:DOM: Core & HTML]Web Share should be controlled by permission policy
Bug 1646899 R[Core:DOM: Core & HTML]Use DocumentChannel to for object/embed loads - Pt 1
Bug 1653485 R[Core:DOM: Editor]Avoid unnecessary copy of stack only classes
Bug 1652452 R[Core:DOM: Navigation]Consider to disable browser.navigation.requireUserInteraction on Nightly until regressions have been fixed
Bug 1653922 R[Core:DOM: UI Events & Focus Handling]Crash in [@ nsFocusManager::WindowHidden]
Bug 1653039 R[Core:Disability Access APIs]Support text word boundaries API in mac
Bug 1654106 R[Core:Gecko Profiler]Assertions because TimeStamp::IsNull() in ImageComposite::DetectTimeStampJitter
Bug 1654060 R[Core:Graphics]Fix comments in ImageComposite::UpdateBias
Bug 1622846 A[Core:Graphics: WebGPU]Update WebGPU IDL to the upstream changes
Bug 1582954 R[Core:Graphics: WebRender]Avoid SIGBUS from shared memory allocation failures on Linux/BSD
Bug 1649528 R[Core:Graphics: WebRender]Ship WebRender to more users in 80
Bug 1654032 R[Core:Graphics: WebRender]Roll out webrender on Adreno 6xx
Bug 1650990 V[Core:Graphics: WebRender]Hit MOZ_CRASH(assertion failed: layout_visible_range.end >= layout_visible_range.start) at gfx/wr/webrender_api/src/image_tiling.rs:354
Bug 1653649 A[Core:Graphics: WebRender]Crash in [@ webrender::render_task::render_task_sanity_check]
Bug 1572421 R[Core:Graphics: WebRender]Display list dump does not include all items
Bug 1653544 R[Core:Graphics: WebRender]Generate comments with information about the shader during optimization
Bug 1653569 R[Core:Graphics: WebRender]Avoid allocating memory when computing the area of occluders
Bug 1623792 N[Core:Graphics: WebRender]Optimize primitive dependency handling, taking advantage of spatial information from tile assignment.
Bug 1652744 R[Core:JavaScript Engine]Add browser pref for private fields support
Bug 1606568 A[Core:JavaScript Engine]No public API for creating/managing BigInt values.
Bug 1642493 R[Core:JavaScript Engine]Irregexp: Tidy up loose ends
Bug 1644160 A[Core:JavaScript Engine]Proxy Support for Private Fields
Bug 1653956 R[Core:JavaScript Engine]Link errors in Debugger.cpp in non-unified, optimised builds
Bug 1653246 A[Core:JavaScript Engine: JIT]Optimize DataView get/set methods in CacheIR and Warp
Bug 1653962 R[Core:JavaScript Engine: JIT]Transpile GuardToBigInt, GuardToUint8Clamped, Double(Inc|Dec)Result, and CompareSymbolResult
Bug 1653502 R[Core:Javascript: WebAssembly]Crash [@ ??] with SIGILL in Cranelift
Bug 1653905 R[Core:Layout]propagate the fix from bug 1645762 to nsDisplayMasksAndClipPaths::PaintMask
Bug 1647520 R[Core:Layout: Columns]Maybe stop searching for optimal column balancing block-size within a certain threshold
Bug 1558509 R[Core:Layout: Columns]Various multicol reftest failures on geckoview (x86-64 Android 7.0 emulator)
Bug 1652762 R[Core:Networking]Intermittent SUMMARY: ThreadSanitizer: data race /builds/worker/checkouts/gecko/netwerk/dns/TRRServiceBase.cpp:71:22 in CheckURIPrefs
Bug 1596741 R[Core:Networking: Cookies]Emit warning to console when rejecting to set cookie (from cross-site/foreign domain)
Bug 1653642 N[Core:Networking: WebSockets]Crash in [@ mozilla::net::CallOnStop::~CallOnStop]
Bug 1540988 R[Core:Panning and Zooming]Doing CMD+two finger scroll to zoom breaks layout and looses sync with browser-fullZoom with apz.allow_zooming
Bug 1652877 R[Core:Panning and Zooming]Add ctrl-shift-minus keymap for zooming out like zooming in works
Bug 1652927 R[Core:Privacy: Anti-Tracking]Improve URL Classifier logging
Bug 1653848 R[Core:SVG]Make SVGPaintServer and SVGGradientFrames queryable
Bug 1649545 A[Core:Security: PSM]Upgrade Firefox 80 to use NSS 3.55
Bug 1604316 A[Core:Web Audio]Intermittent /webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/cors-check.https.html | X Recorded channel #0 should have contain at least one value different from 0. - assert_true: expected true got false
Bug 1653362 R[Core:Widget: Cocoa]Can't build with macOS 10.15.6 SDK
Bug 1617002 A[Core:Widget: Gtk][Webrender][X11] Opaque region does not get set / gets reset
Bug 1651630 R[DevTools:Application Panel]Hide Start/Debug buttons instead of disabling them
Bug 1653785 R[DevTools:Debugger][RTL] The twisty for the stack trace in the exception tooltip is pointing the wrong direction when collapsed
Bug 1652828 A[DevTools:General]High frequency devtools/client/application/test/browser/browser_application_panel_telemetry-workers.js | Test timed out -
Bug 1650901 R[DevTools:Inspector: Layout]Center the `open-inspector` button in the Layout panel
Bug 1653436 R[Firefox:Address Bar]Some characters getting clobbered if I type too fast
Bug 1595340 R[Firefox:Address Bar]Intermittent fission browser/components/extensions/test/browser/browser_ext_urlbar.js | "about:blank" == "http://example.com/" - JS frame :: chrome://mochitests/content/browser/browser/components/extensions/test/browser/browser_ext_urlbar.js
Bug 1653541 R[Firefox:File Handling]WebExtensions tabs.update API cannot open mailto links
Bug 1651165 R[Firefox:General]Rename and improve documentation around _scheduleArbitrarilyLateIdleTasks
Bug 1652811 R[Firefox:Messaging System]Use nimbus-shared repo for schema validation
Bug 1654029 R[Firefox:New Tab Page]When only the search box is enabled in Firefox newtab, the Firefox logo is no longer displayed
Bug 1620409 R[Firefox:New Tab Page]Dismiss on collection needs slightly different logic
Bug 1649250 A[Firefox:Preferences]Populate the FeatureGates list with the features listed on MDN's Experimental Features page
Bug 1651330 R[Firefox:Search]Add Ubuntu's distribution configuration to the modern search engine configuration
Bug 1652609 R[Firefox:Sync]jwcrypto:generateJWE should include `kid` in the JWE header, if available
Bug 1648194 R[Firefox:Sync]Enable "identity.sync.useOAuthForSyncToken" in Firefox 80
Bug 1652641 R[Firefox:Tabbed Browser]tab context menu when multiple tabs are selected has menu items with conflicting accelerator keys
Bug 1647806 R[Firefox Build System:Bootstrap Configuration]Document Python 3 installation steps
Bug 1647814 R[Firefox Build System:Bootstrap Configuration]Verify that python 3 is installed and up-to-date
Bug 1653440 R[Firefox Build System:General]TypeError when running much build on latest m-c
Bug 1652870 R[Firefox Build System:General]use new dump_syms for Android builds
Bug 1653195 R[Firefox Build System:Lint and Formatting]eslint is conflicted about what version of eslint-visitor-keys to require
Bug 1652039 R[Firefox Build System:Source Code Analysis]Fix clang-tidy with External and Alpha Checkers
Bug 1485588 R[Firefox Build System:Source Code Analysis][clang-tidy] Prohibit the use of the C standard library for character classification
Bug 1653717 R[Firefox Build System:Task Configuration]Fix handling of composite task descriptions
Bug 1650406 R[Firefox Build System:Task Configuration]upload-symbols tasks showing up and causing builds with |mach try auto| again
Bug 1638990 R[Firefox Build System:Task Configuration]Convert 'mach taskgraph' to run with Python 3
Bug 1640982 R[Firefox Build System:Toolchains]rust 1.45 error: options `-C embed-bitcode=no` and `-C lto` are incompatible
Bug 1486004 R[Firefox for Android:Testing]Support unrooted Android devices in our Unit tests
Bug 1652190 R[GeckoView:General]Can't zoom in to the initial minimum-scale once after zoom out to some extent
Bug 1631839 R[Release Engineering:General]mobile: Change indexes to not contain the `project.` prefix
Bug 1649046 R[Release Engineering:Release Requests]Setup WNP for users coming from <79.0 and receiving the 79.0 release
Bug 1641805 R[Toolkit:Downloads API]Stop calling nsIWebBrowserPrint.print() in DownloadCore.jsm
Bug 1652861 A[Toolkit:Printing]Create initial, minimal UI to select and adjust printer & print settings
Bug 1653568 A[Toolkit:Safe Browsing]Add testcase to make sure WebSocket is classified by URL Classifier
Bug 1482089 R[Toolkit:Telemetry]Remove GCTelemetry to reduce memory usage in content process
Bug 1651261 N[WebExtensions:Untriaged]Intermittent browser/components/extensions/test/browser/browser_ext_url_overrides_newtab.js | Test timed out -
###########
Changes to 88 bugs - 66 fixed.
4 bugs are not included due to being restricted