Bug 1656414 N[Core:Audio/Video: Playback]Tab sound/mute icon is not removed when playback object is removed in some situations
Bug 1667283 R[Core:Audio/Video: Playback]Perma TV tier 2 toolkit/components/telemetry/tests/browser/browser_media_element_in_page_scalar.js | has not created media scalar yet - Got 1, expected undefined
Bug 1667122 R[Core:CSS Parsing and Computation]Perma browser/base/content/test/static/browser_parsable_css.js | Got error message for resource://gre-resources/mathml.css: Unknown property ‘math-style’. Declaration dropped. when Gecko 83 merges to Beta on 2020-10-19
Bug 1659264 R[Core:CSS Parsing and Computation]remove layout.css.moz-touch-enabled.enabled
Bug 1666362 R[Core:DOM: Core & HTML]Intermittent TEST-UNEXPECTED-TIMEOUT | /html/cross-origin-opener-policy/resource-popup.https.html | /media/2x2-green.mp4 - parent COOP: ""; child COOP: "same-origin" - Test timed out
Bug 1666388 R[Core:DOM: Core & HTML]Intermittent /html/cross-origin-opener-policy/coop-csp-sandbox-navigate.https.html | CSP: sandbox allow-popups allow-scripts allow-same-origin; CSP sandbox popup navigate to Cross-Origin-Opener-Policy document should work - assert_unreached: Navigation fr
Bug 1666975 R[Core:DOM: Core & HTML]Remove or update probes expiring in Firefox 84: PENDING_CRITICAL_INPUT_WHEN_TIMEOUT
Bug 1666881 R[Core:DOM: Navigation]Make fission.sessionHistoryInParent require a restart when switching
Bug 1662671 R[Core:DOM: Navigation]0.29 - 1.73% Base Content JS (linux1804-64-shippable, linux1804-64-shippable-qr, macosx1014-64-shippable, windows10-64-shippable-qr, windows7-32-shippable) regression on push e763b6e09a4914247ab86b3600acac8562e6c1d1 (Fri August 28 2020)
Bug 1662359 R[Core:DOM: Security]Failed to download non-https resources in HTTPS-Only Mode
Bug 1667406 R[Core:Gecko Profiler]Startup profiles have the screenshots feature enabled by default but produce no screenshots
Bug 1667176 R[Core:Graphics: Layers]Start cleaning up layers logging code
Bug 1667484 R[Core:Graphics: WebRender]Remove window jumping old driver blocking.
Bug 1667343 R[Core:Graphics: WebRender]Skip Video SwapChain present if no video texture update
Bug 1647035 R[Core:Graphics: WebRender]Missing characters with Webrender on Linux (independent of Mesa/llvmpipe/proprietary Nvidia)
Bug 1667490 R[Core:Graphics: WebRender]Remove not recent win10 directcomposite blocking.
Bug 1665371 R[Core:Graphics: WebRender]Switch WebRender reftests to run on llvmpipe
Bug 1667380 R[Core:Graphics: WebRender]Split out graphics feature failure IDs for each level (default/runtime/environment/user)
Bug 1666494 R[Core:JavaScript Engine]Remove more TypedObject code
Bug 1666867 R[Core:JavaScript Engine]Switch default spidermonkey compiler from gcc to clang
Bug 1667258 R[Core:JavaScript Engine]Remove RealmCreationOptions::cloneSingletons
Bug 1665612 R[Core:JavaScript Engine]Add delazified flag to ScriptStencil
Bug 1667361 R[Core:JavaScript Engine: JIT]Warp: don't trace full snapshot for nursery GCs
Bug 1643948 A[Core:JavaScript Engine: JIT]CacheIR: Optimize arguments[Symbol.iterator]
Bug 1663327 R[Core:JavaScript Engine: JIT]Arm64 emulation of tbl instruction is broken
Bug 1666617 R[Core:Layout]Add RefreshObserver markers with backtraces
Bug 1666537 R[Core:Layout]getSelection().modify("extend", "left", "lineboundary") in mixed RTL context behaves wrong
Bug 1661138 R[Core:Layout: Flexbox]Intermittent TEST-UNEXPECTED-TIMEOUT | /css/<random>-print.html | expected PASS
Bug 1667118 R[Core:MathML]Rename -moz-math-script-level to math-depth
Bug 1663192 R[Core:Networking: File]localStorage and sessionStorage no longer work on file: URLs when third-party cookies are blocked
Bug 1652677 R[Core:Networking: HTTP]Use ECH keys from HTTPSSVC records
Bug 1667085 R[Core:Networking: HTTP]Move SendHello out of Http2Session constructor
Bug 1667400 R[Core:Print Preview]Remove print preview event suppressor.
Bug 1662946 R[Core:Printing: Output]Empty paper lists cause hangs firefox on Ubuntu 18.04/16.04 (Error: Can't fetchPaperMargins)
Bug 1667342 R[Core:Printing: Setup]window.close not working after window.print if both are called before or during the load event.
Bug 1666473 R[Core:Printing: Setup][macOS] Paper size settings unexpectedly revert to default on actually submitting a print job
Bug 1667285 R[Core:Printing: Setup]Make nsPrintSettingsService::_CreatePrintSettings pure virtual
Bug 1666110 R[Core:Printing: Setup]Gather telemetry on the paper sizes people print to
Bug 1667438 R[Core:Security: CAPS]Simplify OriginAttributes::operator==.
Bug 1654309 R[Core:Security: PSM]Add telemetry for 0-RTT in TLS 1.3
Bug 1619370 R[Core:Web Painting]YouTube video player controls are not rendered in full screen mode of embedded iframe with Fission and page zoom
Bug 1665166 R[Core:WebRTC]move media/webrtc/trunk to third_party/libwebrtc/
Bug 1667461 R[Core:XPCOM]Add a note about class name collisions to a leak checking assertion
Bug 1666571 R[Core:mozglue]Fail to detour ntdll!LdrLoadDll with Avast
Bug 1667045 R[DevTools:General]Turn off DevEdition builds/tests on windows 7
Bug 1663984 R[Firefox:Address Bar]Double Escape key on search mode shows blank megabar link
Bug 1657414 R[Firefox:Address Bar]Support update2 search mode in the macOS Touch Bar
Bug 1665076 R[Firefox:Address Bar]Things going through UrlbarInput.search() are often considered typed.
Bug 1665453 R[Firefox:General]Poll native events while loading xul.dll and other early libraries to prevent being flagged as not responsive
Bug 1667041 R[Firefox Build System:Developer Environment Integration]Do not consume all cores when indexing C++ with clangd
Bug 1663372 R[Firefox Build System:General]work/ and toolchains.json not ignored
Bug 1667463 R[Firefox Build System:Generated Documentation]Two typos in using_cxx_in_firefox_code.rst
Bug 1663549 R[Firefox Build System:Task Configuration]Intermittent XFAIL taskcluster/test/test_mach_try_auto.py::test_tasks_are_not_scheduled[no build-signing] | Unsuccessful task run with exit code: 1
Bug 1666809 R[Firefox Build System:Task Configuration]Prevent multiple backstops in a row
Bug 1666759 R[Firefox Build System:Try]No longer possible to schedule wpt-backlog tasks
Bug 1666609 R[GeckoView:General]Media Session onFullscreen not called
Bug 1666013 R[GeckoView:General]New ContentDelegate#onExternalResponse(GeckoSession, WebResponse) api doesn't provide information about blobs urls files
Bug 1666065 R[GeckoView:General][Bug]Tapping in text input field in iframe in modal causes entire contents on screen to shift downward half+ page
Bug 1665283 R[Remote Protocol:Agent]Remove "datareporting.healthreport.about.reportUrl" from Launcher.ts
Bug 1667145 R[Toolkit:Reader Mode]Update Readability from git (commit d5eea06a0095b3138dbd1f6233f656d690200509 )
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Changes to 64 bugs - 61 fixed.