Bug 1671931 R[Core:Audio/Video: MediaStreamGraph]ThreadSanitizer: data race on VideoFrameContainer::mFrameID
Bug 1595994 R[Core:Audio/Video: Playback]Move WMF and FFmpeg decoding into RDD process.
Bug 1670917 A[Core:Audio/Video: cubeb]Update libcubeb to revision a7e83aa (and associated repos/crates)
Bug 1672075 R[Core:DOM: Content Processes]Don't collect MEMORY_UNIQUE_CONTENT_STARTUP for the privileged process
Bug 1651802 R[Core:DOM: Content Processes]Replace all uses of JSWindowActor willDestroy with didDestroy
Bug 1668875 R[Core:DOM: Content Processes][Fission] Lots of tab spinners
Bug 1672163 R[Core:DOM: Navigation]Microsoft/history/history_000.htm should not rely on a 50ms timer
Bug 1660968 R[Core:DOM: Networking]Remove uses of GetInProcessScriptableTop in WebSocketImpl::GetLoadingPrincipal
Bug 1633469 R[Core:DOM: Push Notifications]Crash in [@ mozilla::dom::`anonymous namespace'::GetSubscriptionCallback::OnPushSubscription]
Bug 1460740 N[Core:DOM: Selection]Assertion failure: !aRoot || aNotInsertedYet || (nsContentUtils::ContentIsDescendantOf(aStart.Container(), aRoot) && ... (Wrong root), at src/dom/base/nsRange.cpp:976
Bug 1672088 R[Core:Graphics]Avoid creating CTFonts from CGFonts when using NativeFontResourceMac
Bug 1671535 R[Core:Graphics: Layers]Increase 10 bit reftest coverage.
Bug 1672196 R[Core:Graphics: WebRender]Enable webrender on Nightly for Mali-Txxx devices
Bug 1656211 R[Core:Graphics: WebRender]Popup windows from toolbar draws incorrectly
Bug 1672077 R[Core:Graphics: WebRender]Calculation of device_valid_rect can be stale
Bug 1670809 R[Core:Graphics: WebRender]Add wrench infrastructure for testing expected picture invalidation invalidation scenarios
Bug 1671289 R[Core:Graphics: WebRender]Make WebRender's integrated profiler more configurable
Bug 1664719 R[Core:Graphics: WebRender]Optimize handling of shared / compositor clips for picture caching
Bug 1672268 R[Core:JavaScript: GC]Stop using CustomAutoRooter for Parser
Bug 1639153 A[Core:Javascript: WebAssembly]Optimize indirect calls
Bug 1671583 R[Core:Javascript: WebAssembly]Perma wasm/jsapi/global/type.tentative.any.js | can't access property "value", myglobal.type is undefined [0.1 s] when Gecko 83 merges to Beta on 2020-10-19
Bug 499229 R[Core:Layout: Floats]Should the warning "nsBlockFrame::CheckFloats: Explicit float list is out of sync with float cache" become an assertion?
Bug 1671619 R[Core:Layout: Images, Video, and HTML Frames]Wiki page flickers when the user switches between this and Customize Firefox page
Bug 1665411 R[Core:Memory Allocator]Hard to explain macOS-specific use-after-free crashes
Bug 1324247 R[Core:Networking]Strip whitespace from queries in URL setters
Bug 1670820 R[Core:Networking]HSTS cache not working for subresources when privacy.partition.network_state=true
Bug 1672127 R[Core:Networking: DNS]Fix browser_fall_back_to_https.js to use actual host
Bug 1668828 R[Core:Networking: HTTP]Active connections to site higher than network.http.max-persistent-connections-per-server , website no longer works until restart of Firefox
Bug 1672171 R[Core:Printing: Output]Perma toolkit/components/printing/tests/browser_modal_print.js | Uncaught exception - Wait for dialog - timed out after 50 tries when Gecko 84 switches to Late Beta on 2020-11-28
Bug 821955 R[Core:SVG]SVGPointList shouldn't throw when methods are called with points that are not DOMSVGPoint
Bug 1671860 R[Core:SVG]test that SVG <cursor> element is not implemented
Bug 1671692 R[Core:Sanitizers]Organize and properly label the TSan supression list
Bug 1671713 A[Core:Security: PSM]Upgrade Firefox 84 to use NSS 3.59
Bug 1664143 R[Core:Storage: IndexedDB]Introduce ExecuteSimpleSQLSequence helper function
Bug 1663924 A[Core:Storage: IndexedDB]Further migration to IDB_TRY* and Result in IndexedDB
Bug 1671612 R[Core:WebRTC: Audio/Video]Fix `runtest.py` for python3
Bug 1670856 R[Core:WebRTC: Signaling]Don't switch ICE gathering state on empty offers
Bug 1667319 R[Core:WebRTC: Signaling]Safari interop: invalid rtpmap when rtx is enabled and roles are reversed
Bug 1672044 R[Core:Widget: Cocoa]Use Moz2D (via Skia DrawTarget) instead of CGContext to draw scrollbar parts on macOS
Bug 1660393 R[Core:XPCOM]Introduce async access to Resource Protocol from Rust
Bug 1672055 R[Core:XPCOM]Mismatch between priorities in nsIRunnable.idl and EventQueue.h
Bug 1672132 A[DevTools:Debugger]remove isFirefoxPanel check in boostrapApp
Bug 1671609 R[DevTools:General]Remove all DevTools:BrowserSwap support from the codebase
Bug 1671973 R[DevTools:General]Add a test to check that DevTools forceReload bypasses the cache
Bug 1623667 A[DevTools:Inspector]Update panels other than Inspector to use Fission-ready node highlighter
Bug 1671045 R[Firefox:Address Bar]Intermittent TV browser/components/urlbar/tests/browser/browser_searchMode_sessionStore.js | This test exceeded the timeout threshold. It should be rewritten or split up. If that's not possible, use requestLongerTimeout(N), but only as a last resort. -
Bug 1665442 R[Firefox:Bookmarks & History]Show an "import" button on the bookmarks toolbar when few bookmarks exist [and some exist in another browser?]
Bug 1668284 R[Firefox:File Handling]Automatic file handling (open/save) setting labeling is no longer accurate
Bug 1667787 R[Firefox:File Handling][macOS] Save image as... stores `image/webp` as `jpeg` file, breaking opening in other applications
Bug 1461690 R[Firefox:Installer]Create an uninstaller telemetry ping
Bug 1671314 R[Firefox:Launcher Process]MMPolicyBase::FindRegion fails to find a free region
Bug 1658828 R[Firefox:Shell Integration]Change profile count to use IOUtils
Bug 1672115 R[Firefox Build System:General]module 'distutils' has no attribute 'spawn' in genpgocert.py
Bug 1671424 R[Firefox Build System:General]Set the `PYTHON3` environment variable where appropriate for the build
Bug 1672306 R[Firefox Build System:General]Don't enable rust "global" LTO when cross LTO is enabled
Bug 1615884 R[Firefox Build System:Lint and Formatting]clang-format mercurial extension won't respect .clang-format-ignore
Bug 1644624 R[Firefox Build System:Toolchains]Update builders to rustc 1.47
Bug 1671555 R[Firefox Build System:Toolchains]Upgrade all toolchains using rust 1.41 to 1.47
Bug 1672285 A[GeckoView:General]GV now needs to set browser.tabs.remote.autostart in its default prefs
Bug 1672247 R[GeckoView:General]Duplicate start events in onProgressChange
Bug 1646810 R[GeckoView:General]GeckoView needs to start using DocumentChannel process switching (instead of E10SUtils)
Bug 1672221 R[GeckoView:General]Missing null check in NPZCSupport::InputEvent::Run
Bug 1665476 N[Thunderbird:General]LW-theme background images aren't shown
Bug 1672267 R[Toolkit:Application Update]Change the updater's downloadUpdate functions to return success rather than update state
Bug 1661304 R[Toolkit:Telemetry]Add an API for privileged front-end code to add BHR annotations
Bug 1356031 R[Toolkit:Themes]Remove toolkit error-16.png and replace usages with respective SVGs
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Changes to 68 bugs - 58 fixed.
4 bugs are not included due to being restricted