Bug 1634489 R[Core:Audio/Video: Playback]MP3 fails to play on ultimateradioshow.com
Bug 1660336 N[Core:Audio/Video: Playback]Add VA-API decode path to bundled ffvpx
Bug 1674770 A[Core:CSS Parsing and Computation]ThreadSanitizer: data race [@ StrongRuleNode::ensure_child]
Bug 1680566 R[Core:CSS Parsing and Computation]Cleanup sanitizer API test
Bug 1680558 R[Core:CSS Parsing and Computation]Make the CSS tokenizer pass the whole parser state, not just the source location, to the parser
Bug 1680646 R[Core:CSS Parsing and Computation]Intermittent TEST-UNEXPECTED-PASS | /css/WOFF2/metadatadisplay-schema-copyright-007.xht | Testing http://web-platform.test:8000/css/WOFF2/metadatadisplay-schema-copyright-007.xht == http://web-platform.test:8000/css/WOFF2/metadatadisplay-schema
Bug 1678416 A[Core:DOM: Core & HTML]Continue refactoring CC/GC scheduling
Bug 1670530 R[Core:DOM: Navigation]Crash when navigating from about:* to view-source:http(s):* on debug build
Bug 1680548 A[Core:DOM: Selection]Cache max length in TextControlState::SelectionProperties when calling SetValue
Bug 1679763 R[Core:Gecko Profiler]Explicitly instantiate often-used profiler templates
Bug 1673949 R[Core:General]Make some perf telemetry probes available in the Release channel (for Fission experiment)
Bug 1679325 R[Core:General]"Save Video As..." prompts to save with file name based on sequential ID instead of original resource name.
Bug 1519100 R[Core:JavaScript Engine]Implement the Top-level await proposal
Bug 1673553 A[Core:JavaScript Engine: JIT]Remove IonBuilder and TI
Bug 1673027 R[Core:JavaScript: Internationalization API]Update to tzdata2020d
Bug 1658308 N[Core:JavaScript: Standard Library]Implement the .at() proposal
Bug 1680509 R[Core:Javascript: WebAssembly]Vendor in CL ac58a436ed84d1a88b4ff24367c5972cf8d3d405
Bug 1678117 R[Core:Networking: DNS]Crash in [@ nsHostResolver::AddToEvictionQ]
Bug 1680526 R[Core:Networking: DNS]Keeping AddrHostRecord::onQueue updated is hard
Bug 1678614 R[Core:Networking: HTTP]HTTPS-Only Mode and network.trr.mode=3 conflict
Bug 1672142 R[Core:Networking: HTTP]Add perf test for the controlled website
Bug 1678756 A[Core:SVG]Check for new clusters or ligature groups in textPaths even in skipped characters
Bug 1678079 R[Core:Security: PSM]Add PSM support for TLS Encrypted Client Hello
Bug 1680655 R[Core:Security: PSM]ThreadSanitizer: lock-order-inversion (potential deadlock) [@ PR_Lock] in EncryptedClientHelloServer
Bug 1680760 R[Core:Storage: Quota Manager]Allow SafeRefPtr construction to derive template argument type from a CheckedUnsafePtr
Bug 1678030 A[Core:Storage: Quota Manager]Reduce code duplication around mozIStorageStatement
Bug 1680691 R[Core:WebRTC]Intermittent TEST-UNEXPECTED-PASS | /webrtc/simplecall.https.html | Can set up a basic WebRTC call. - expected TIMEOUT
Bug 1680544 R[Core:XPCOM]TaskManager has poor usability for `events` logging
Bug 1679835 R[Data Platform and Tools:Glean: SDK]Add `fog.validation.os_version` to FOG
Bug 1679974 R[DevTools:General]Remove backward compatibility code for older version of getCSSDatabase
Bug 1678757 R[DevTools:Object Inspector]WebAssembly (Wasm) error messages state 'undefined' when earlier versions gave more detail
Bug 1667061 R[DevTools:Performance Tools (Profiler/Timeline)]Open the profiler with "active tab" view if the "web developer" preset is selected on the profiler recording panel
Bug 1680734 R[Firefox:General]Permafailing browser/modules/test/browser/browser_ProcessHangNotifications.js | proper number of buttons - Got 2, expected 3 when Gecko 85 merges to Beta on 2020-12-14
Bug 1652412 R[Firefox:Installer]`helper.exe /SetAsDefaultAppUser` sets Firefox as default PDF viewer (and others) when it should not
Bug 1675127 R[Firefox:Messaging System]Remove code from ASRouter that shows the triplets (3 cards) at the top of the newtab page
Bug 1667813 R[Firefox:Messaging System]Check if the locale is supported before requesting the remote l10n files
Bug 1673716 R[Firefox:New Tab Page]Crash in [@ AsyncShutdownTimeout | quit-application-granted | AboutHomeStartupCache: Writing cache]
Bug 1672518 R[Firefox:Pocket]Add Telemetry Event for Turning Off Pocket or SPOCs
Bug 1678490 R[Firefox:Preferences]remove the "When a server requests your personal certificate" section from Certificates in about:preferences
Bug 1663501 R[Firefox:Search]Use geolocation monitor in region.jsm
Bug 1680685 R[Firefox:Tabbed Browser]Allow to turn on pid in tabs via a pref
Bug 1678986 R[Firefox:about:logins]The “Login Item” view wrongly remains displayed after removing all logins if a selected login was in Edit mode
Bug 1679616 R[Firefox Build System:General]Perma psutil/_psutil_common.c:9:10: fatal error: Python.h: No such file or directory
Bug 1680654 R[Firefox Build System:General]Perma tier 2 3:53.18 python/mozbuild/mozbuild/test/configure/test_toolchain_configure.py::RustTest::test_rust_target TEST-UNEXPECTED-FAIL
Bug 1680678 R[Firefox Build System:Toolchains]Upgrade builds to Xcode 12.2 final's SDK
Bug 1625233 R[GeckoView:Extensions]Implement the |browsingData| API
Bug 1672262 R[GeckoView:General]Avoid sending multiple events in onProgressChanges when switching process
Bug 1680733 R[Remote Protocol:Agent]Case-sensitive "websocket" upgrade request header check breaks WebSocket connection
Bug 1670286 R[Remote Protocol:Agent]Sync vendored puppeteer to v5.5.0
Bug 1672461 R[Remote Protocol:Agent]Pin package dependencies when installing Puppeteer in Mozilla CI
Bug 1495021 R[Toolkit:Add-ons Manager]Clean up tmpaddon files in test_system_delay_update.js
Bug 1680449 R[Toolkit:OS.File]Intermittent [TV] dom/system/tests/ioutils/test_ioutils_set_permissions.html | NotAllowedError: Could not open the file at C:\Users\task_1606976607\AppData\Local\Temp\setPermissions.tmp for writing - Should not throw any errors
Bug 1673642 R[Toolkit:Telemetry]Implement C++ and JS APIs for the Boolean Metric Type
Bug 1666739 R[Toolkit:Video/Audio Controls]PiP player is enabled when clicking Skip Ads button while PiP description is shown and the firefox window is smaller
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Changes to 58 bugs - 50 fixed.
3 bugs are not included due to being restricted