Bug 1628521 R[Core:Audio/Video: Playback]Do not create media sink when 'mIsMediaSinkSuspended' is true
Bug 1624007 R[Core:DOM: Editor]Assertion failure: !IsSelectionRangeContainerNotContent(), at /builds/worker/checkouts/gecko/editor/libeditor/HTMLEditor.cpp:2546
Bug 1627573 R[Core:DOM: Editor]Mark some methods of `CSSEditUtils` as `MOZ_CAN_RUN_SCRIPT`
Bug 1626573 A[Core:DOM: File]Opening blob links in new tabs doesn't work (doesn't show their content)
Bug 1626404 R[Core:DOM: Navigation][Fission] Google Docs' "Code Blocks" Add-on fails with "NetworkError: Connection failure due to HTTP 0"
Bug 1597455 R[Core:DOM: Navigation]Fix uses of nsMixedContentEvent::Run in dom/security/nsMixedContentBlocker.cpp
Bug 1626922 R[Core:DOM: Security]Remove usage of nsiprincipal-GetURI in EventSource.cpp
Bug 1626926 R[Core:DOM: Security]Remove usage of nsiprincipal-GetURI in DocumentLoadListener.cpp
Bug 1627963 A[Core:DOM: Security]CSP and Fission: ShouldLoad should not rely on requestingContext because it's not available in the parent process
Bug 1628605 A[Core:DOM: Security]Write SecFetch Test for websockets
Bug 1626923 R[Core:DOM: Security]Remove usage of nsiprincipal-GetURI in ServiceWorkerPrivateImpl.cpp
Bug 1626927 R[Core:DOM: Security]Remove usage of nsiprincipal-GetURI in AlertNotification.cpp
Bug 1626291 R[Core:DOM: Selection]Assertion failure: uint32_t(startOffset) <= startContainer->Length() && uint32_t(endOffset) <= endContainer->Length(), at /builds/worker/checkouts/gecko/dom/base/ContentIterator.cpp:721
Bug 1558786 N[Core:DOM: Workers]Rejected promise in Worker don't produce "uncaught exception" message in the console
Bug 1627460 R[Core:DOM: Workers]Profiler markers would be useful to see which files get imported/required into workers
Bug 1612309 R[Core:Gecko Profiler]nativeallocations is disabled when running mochitests
Bug 1628772 N[Core:General]Update core-foundation crate to 0.7 consistently
Bug 1628137 R[Core:Graphics]Switch to using WaitForVBlank for vsync on Windows
Bug 1616741 R[Core:Graphics: WebGPU]Make sure WebGPU is disabled in Release and Beta channels
Bug 1628910 R[Core:Graphics: WebRender]Software WebRender's force_clear function in gl.cc clamps to wrong bound
Bug 1628508 R[Core:Graphics: WebRender]webrender_api::display_item::ScrollFrameDisplayItem is missing IMPLICIT comment
Bug 1628564 R[Core:Graphics: WebRender]Remove the common primitive template data for picture primitives
Bug 1624468 N[Core:Graphics: WebRender]Add a fast path for more gradient types in WR
Bug 1628817 R[Core:Graphics: WebRender]Unblock NVIDIA driver 26.21.14.4575 for hardware acceleration
Bug 1470350 A[Core:ImageLib]All the delaytest.html image reftests are disabled.
Bug 1628532 R[Core:ImageLib]OrientedImage use of WillDrawOpaqueNow isn't great
Bug 1626100 R[Core:JavaScript Engine]Introduce ExceptionStack type
Bug 1627371 R[Core:JavaScript Engine]Eliminate BytecodeEmitter::lazyScript field
Bug 1627838 R[Core:JavaScript Engine]Irregexp: Handle simple string matches
Bug 1628316 R[Core:JavaScript Engine: JIT]Remove no longer needed specialisation data from ArithPolicy and BitwisePolicy
Bug 1628309 R[Core:JavaScript Engine: JIT]Move always-inline bitwise and relational comparison operations into Interpreter.cpp
Bug 1628389 R[Core:JavaScript: GC]Replace use of standard library traits classes by the _v or _t version in the GC
Bug 1627954 R[Core:JavaScript: GC]Record time taken by parallel GC tasks in the same place even if they were run on the main thread
Bug 1627248 R[Core:JavaScript: GC]Use placement new to forward cells to work around undefined behaviour
Bug 1626772 A[Core:JavaScript: GC]Update hazard analysis to gcc 9
Bug 1627854 R[Core:Javascript: WebAssembly]Add documentation for spec-test importing
Bug 1627987 R[Core:Javascript: WebAssembly]Emit RuntimeError for table out-of-bounds
Bug 1612804 R[Core:Javascript: WebAssembly]Allow global initializers to reference functions with ref.func
Bug 1628417 R[Core:Javascript: WebAssembly]Crash [@ ??] with --wasm-gc
Bug 1628837 R[Core:Layout: Grid]Add subgrid property address to nsGridContainerFrame frame dump output
Bug 1627691 R[Core:Layout: Text and Fonts]2.72 - 28.97% Base Content Explicit / Base Content Heap Unclassified / Base Content Resident Unique Memory / Explicit Memory / Heap Unclassified (macosx1014-64-shippable) regression on push 1a8269aa3f6e27978920d9ba7f40367548e7aee0 (Thu April 2 2020)
Bug 1625151 N[Core:Networking][socket process] Move DNS resolution to socket process
Bug 1627654 R[Core:Networking]Padlock in URL bar is sometimes missing when a FPN session is active
Bug 1626809 R[Core:Networking: Cache]disk-storage memory reporter does not properly anonymize
Bug 1626099 R[Core:Panning and Zooming]Add telemetry so we can determine how many FF users have touchscreens, etc.
Bug 1363541 A[Core:Permission Manager]Permission Manager should not block the first window from painting
Bug 1622075 A[Core:Printing: Output]Sandbox violation when running printing test
Bug 1626260 R[Core:Privacy: Anti-Tracking]Investigate if we can get the hasStoragePermission for the unopened channel in ReferrerInfo::GetDefaultReferrerPolicy()
Bug 1625228 R[Core:Privacy: Anti-Tracking]Add Dynamic FPI as an option to about:preferences#privacy
Bug 1616585 R[Core:Privacy: Anti-Tracking][DynamicFirstPartyIsolation] Failed to sign in to the pixnet.net
Bug 1628063 R[Core:Privacy: Anti-Tracking]ContentBlocking::AllowAccessFor should use isOnContentBlockingAllowList stored in CookieJarSetting
Bug 1513603 R[Core:SVG]SVG tearoffs don't remove themselves from hashtables when unlinked
Bug 1627904 R[Core:Storage: Cache API]Fix bugzilla-component for dom/cache
Bug 1619965 R[Core:Storage: IndexedDB]Remove duplication between DeleteDatabaseOp::NoteDatabaseClosed and OpenDatabaseOp::NoteDatabaseClosed
Bug 1546856 R[Core:Web Painting]Invalidation artifacts when scrolling spotify playlists
Bug 1624253 R[Core:WebRTC: Networking]Crash in [@ std::thread::local::fast::Key<T>::try_initialize]
Bug 1627136 R[Core:WebVR]Implement XRInputSourceEvent `select`, `selectstart`, `selectend`, `squeeze`, `squeezestart`, `squeezeend`
Bug 1624786 R[Core:Widget]Replace MOZ_MUST_USE with [[nodiscard]] in widget
Bug 1527976 R[Core:Widget: Gtk][Wayland] Dragging and dropping tab outside application windows does not create new window for tab
Bug 1628371 R[Core:XPCOM]Consider checking whether JS holders are single-zone in nightly builds too
Bug 1628201 A[Core:XPConnect]HelperThreadTaskHandler should use UniquePtr for mOffThreadTask
Bug 1625553 R[Data Platform and Tools:General]Investigate validation errors in `telemetry.main for `#/environment/system/cpu/cores`
Bug 1620856 A[DevTools:Console]Intermittent TEST-UNEXPECTED-TIMEOUT | devtools/client/webconsole/test/browser/browser_jsterm_autocomplete-properties-with-non-alphanumeric-names.js | application timed out after 370 seconds with no output
Bug 1628631 R[DevTools:Documentation]https://docs.firefox-dev.tools/ is no longer updated
Bug 1626585 R[DevTools:General]"Protocol error (noSuchActor): No such actor for ID" when closing the devtools
Bug 1628691 R[DevTools:Inspector]Inspector cleanups prior to watchRootNode implementation
Bug 1528288 R[DevTools:Inspector: Layout]Introduce a tooltip when hovering over box-model values to show the rule where a value is coming from
Bug 1613884 N[DevTools:Netmonitor]Use Accordion for the Headers Panel
Bug 1603182 R[DevTools:Performance Tools (Profiler/Timeline)]Make the (old) performance panel support target switching
Bug 1625501 A[DevTools:Responsive Design Mode]Responsive Design mode closes when the user tries to reach a different website in the same tab
Bug 1625934 R[DevTools:Responsive Design Mode]Scrolling is not working properly with Touch Simulation activated in RDM mode
Bug 1627988 R[Firefox:Address Bar]Remove the browser.urlbar.update1.view.stripHttps pref
Bug 1628255 R[Firefox:Bookmarks & History]about:downloads and the Downloads page in the Library window no longer speak the name of downloaded files
Bug 1609563 R[Firefox:General]Migrate browser-allTabsMenu.inc.xhtml to Fluent
Bug 1621417 R[Firefox:General]Replace BrowserTestUtils.waitForCondition with TestUtils.waitForCondition in browser_windowclose.js
Bug 1596322 R[Firefox:Sync]Add bindings for implementing Sync engines in Rust
Bug 1557551 R[Firefox:Sync]Disqualify invalid items in the bookmarks mirror from deduping
Bug 266985 R[Firefox:Tabbed Browser]No way to do nothing on middle mouse click (middlemouse.openNewWindow ignored)
Bug 1628360 R[Firefox:Tabbed Browser]Missing accessible label on in-tabbrowser-tabs "new tab" button
Bug 1628519 R[Firefox Build System:General]Perma [Tierr2] OSError: [WinError 4390] The file or directory is not a reparse point: 'z:/build/build/src/vs2017_15.8.4'
Bug 1628683 R[Firefox Build System:General]Perma bustage UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 4948: ordinal not in range(128)
Bug 1628641 R[Firefox Build System:General]Switch to python3 seems to have broken the Compiler database backend
Bug 1621447 R[Firefox Build System:General]Convert GenerateServoCSSPropList.py to py3
Bug 1628748 R[Firefox Build System:General]Switch to python3 seems to have broken the Compiler database backend
Bug 1628131 R[Firefox Build System:General]Windows build finishes with "Notification center failed: cannot import..." message
Bug 1626873 R[Firefox Build System:Lint and Formatting]xpcshell-test globals could be loaded from the testing/xpcshell/head.js file
Bug 1581684 A[Firefox Build System:Mach Core]Make `mach mach completion <command>` use the right Python
Bug 1605075 R[Firefox Build System:Source Code Analysis]Inconsistent behaviour of kungFuDeathGrip clang analyis
Bug 1624232 R[Firefox Build System:Source Code Analysis]dom/html/TextTrackManager.cpp: do not use 'else' after 'return'
Bug 1626769 R[Firefox Build System:Source Code Analysis]BigIntType.cpp: do not use 'else' after 'return'
Bug 1628498 A[Firefox Build System:Task Configuration]Frequent OSError: [Errno 40] Too many levels of symbolic links: '/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/init/bin/python'
Bug 1624763 R[Firefox Build System:Task Configuration]mach taskgraph action-callback does not call graph_config.register
Bug 1628810 R[Firefox Build System:Task Configuration]Use `bugbug.debug` algorithm by default in ./mach try auto
Bug 1620278 R[Firefox Build System:Task Configuration]Allow specifiying source-test dependent-build-platform in task
Bug 1625884 R[Firefox Build System:Toolchains]Update clang-tools to version 10
Bug 1628492 R[Firefox Build System:Toolchains]Remove the linux64-clang-9-cross toolchain (use win-cross instead)
Bug 1627340 A[Firefox Build System:Try]mach try chooser should exclude tasks defined in fuzzy.py's TARGET_TASK_FILTERS
Bug 1627737 R[GeckoView:General]Disambiguate toplevel from non-topleve in `PanZoomController#onMotionEvent()` return values
Bug 1628578 R[Remote Protocol:Agent]Perma TEST-UNEXPECTED-PASS | Firefox Browser Page Page.Events.Console should not throw when there are console messages in detached iframes | expected FAIL
Bug 1628344 R[Remote Protocol:DOM]Return "attributes" in DOM.Node for DOM.describeNode
Bug 1622701 R[Toolkit:Crash Reporting]Eliminate use of `fix_stack_using_bpsyms.py` in `utils.py`
Bug 1626887 R[Toolkit:General]Firefox .msi installer does not create the Default Browser Agent task in Task Scheduler
Bug 1627897 R[Toolkit:Safe Browsing]Add a SkipListService testcase to ensure features can get correct initial data
Bug 1612527 R[Toolkit:Telemetry]Telemetry test `test_optout_ping_across_sessions` should use `restart_browser`
Bug 1626598 R[Toolkit:Themes]Split close-icon styles to its own file
Bug 1624482 R[Toolkit:Themes]Scope menulist styles to its own component using shadow DOM
Bug 1628356 R[Toolkit:Themes]Remove toolkit search.svg and use browser search-glass.svg instead
Bug 1627646 R[WebExtensions:General]Tree Style Tabs sidebar becomes disconnected intermittently after WebExt port changes
Bug 1623921 R[WebExtensions:Request Handling]filterResponseData fails after HTTP redirection
Bug 1627638 R[WebExtensions:Storage]10MB error-sync-<bla>.txt files are being generated every few minutes
###########
Changes to 112 bugs - 93 fixed.
3 bugs are not included due to being restricted