Bug 1723921 N[Core:CSS Parsing and Computation]Update getComputedStyle with unknown pseudos to the spec.
Bug 1722378 R[Core:DOM: Content Processes]MOZ_CRASH(Content child abort due to IPC error) crash in [@ IPCError-content | RecvConstructBrowser Null or discarded initial BrowsingContext]
Bug 1635018 R[Core:DOM: Copy & Paste and Drag & Drop]Remove support for the dragexit event
Bug 1723641 R[Core:DOM: Core & HTML]Remove OS.Constants.Path.libsqlite3
Bug 1722143 R[Core:DOM: Core & HTML]Run the first slice of a GC from the IdleRunner
Bug 1704001 R[Core:DOM: Navigation]Add a comment explaining HasLoadedNonInitialDocument for BrowsingContext.h
Bug 1650089 R[Core:DOM: Navigation]Fix process allocation for null principal
Bug 1724206 R[Core:DOM: Security]Use WebExtensionPolicy webidl definition for addonPolicy properties on nsIPrincipal instances, instead of nsISupports
Bug 1723614 R[Core:Disability Access APIs]Make name change events more reliable and use them in markup name tests
Bug 1714290 R[Core:Disability Access APIs]Crash in [@ mozilla::PresShell::DoFlushPendingNotifications]
Bug 1634741 R[Core:ImageLib]AVIF (AV1 Image File Format): proper color space support
Bug 1723844 V[Core:JavaScript Engine]Assertion failure: args.rval().isObject() && callee != &args.rval().toObject(), at /js/src/vm/Interpreter.cpp:433
Bug 1724234 R[Core:JavaScript Engine]Remove some unused atom pinning APIs
Bug 1723943 V[Core:JavaScript Engine: JIT]Assertion failure: cx_->hadNondeterministicException(), at js/src/jit/WarpOracle.cpp:193
Bug 1723942 V[Core:JavaScript: GC]Assertion failure: nurseryTenuredCount != 0, at js/src/gc/Pretenuring.h:129
Bug 1723840 V[Core:JavaScript: GC]Assertion failure: cellValue->color() >= std::min(mapColor, keyColor), at js/src/gc/WeakMap-inl.h:179
Bug 1723841 V[Core:JavaScript: GC]Assertion failure: WeakMapBase::checkMarkingForZone(zone), at js/src/gc/GC.cpp:5364
Bug 1724327 R[Core:Layout]Replace nsLayoutUtils::GetCrossDocParentFrame in CreateAnimationData with nsLayoutUtils::GetCrossDocParentFrameInProcess
Bug 1723938 A[Core:Layout]Certificate error pages warning title is unreadable in HCM
Bug 1724143 R[Core:Layout: Flexbox]Fix flexbox-align-self-baseline-horiz-3.xhtml
Bug 1721262 R[Core:Layout: Form Controls]text is clipped or missing in textfield input, after dynamic reflow with multi-column
Bug 1724088 A[Core:Layout: Scrolling and Overflow]Don't notify ScrollbarActivity in scroll frames without scrollbars
Bug 1723807 R[Core:Networking: File]Make getURLSpecFromFile [noscript] and improve idl comments to indicate why you should use one or the other
Bug 1724166 R[Core:Networking: HTTP]Add pref for large keepalive factor
Bug 1724138 R[Core:Panning and Zooming]Enable APZ mochitests on Fis+xorig that no longer fail
Bug 1720609 R[Core:Performance]Remove or update probes expiring in Firefox 93: slow_script_warning.shown#shown - browser_parent_process_hang_telemetry.js will fail when Gecko version number gets increased to 93 on 2021-08-09
Bug 1724182 R[Core:Printing: Output]Save to PDF output broken due to missing destination
Bug 1720464 R[Core:Security: PSM]Upgrade Firefox 92 to use NSS 3.69
Bug 1698946 R[Core:Security: Process Sandboxing]Invalid Win32k use in content process [xul!gfxWindowsPlatform::SetupClearTypeParams]
Bug 1722258 R[Core:Web Painting]Create a WindowRenderer implementation that uses layerless painting
Bug 1722700 R[Core:Widget: Gtk][Wayland] Drag and drop alternates between working and not working when switching application focus
Bug 1722876 R[Core:Widget: Gtk][Wayland] Permission popup does not appear more than once for each window
Bug 1308104 R[Core:XPCOM]Replace PL_strchr with a safer Gecko string class or function
Bug 1308106 R[Core:XPCOM]Replace PL_strstr with a safer Gecko string class or function
Bug 1722136 R[DevTools:Framework]Intermittent devtools/client/framework/test/browser_enable_devtools_popup_new_user.js | Test timed out -
Bug 1696108 R[DevTools:Netmonitor]Headers "learn more" links aren't properly aligned with text
Bug 1723149 R[Firefox:Address Bar]Enable Firefox Suggest label for en-US
Bug 1724114 R[Firefox:Enterprise Policies]Handlers set by policy aren't cleared when the policy is
Bug 1724247 R[Firefox:Installer]"Error in parsing the app package." with new MSIX packages
Bug 1724081 R[Firefox:Screenshots]screenshots.firefox.com still getting API hits
Bug 1723583 R[Firefox:Screenshots]Add tab dialog box for screenshots preview state
Bug 1722449 R[Firefox:Screenshots]Populate the preview state's markup in the screenshot's tab dialog box
Bug 1722485 R[Firefox:Session Restore]SessionStore C++ code should not try to load non-existing browser/ code when it isn't available
Bug 1546847 R[Firefox:Session Restore]Multi-second UI jank/freeze when serializing SessionStore data over to the SessionFile worker
Bug 1723604 R[Firefox:Tabbed Browser]Include memory_watcher data in Mac event pings
Bug 1723637 R[Firefox:Translation]Prevent Firefox Translations extension id of changing when building locally
Bug 1724145 R[Firefox Build System:General]Set ac_cv_path_AS for old-configure too
Bug 1612035 R[Firefox Build System:General]lucet does not produce reproducible .so files
Bug 1717051 A[Firefox Build System:Mach Core]Transparently manage Mach virtualenv at run-time
Bug 1717645 R[Firefox Build System:Mach Core]Virtualenv "up-to-date" logic is not resilient to setup failures
Bug 1720215 R[Firefox Build System:Mach Core]Remove MACOSX_DEPLOYMENT_TARGET virtualenv workaround
Bug 1723050 N[Firefox Build System:Source Code Analysis]Replace typedef by using from dom/
Bug 1444164 R[Release Engineering:Release Automation: Other]amend the notifications with RC-related messages to avoid confusion
Bug 1713441 R[Remote Protocol:WebDriver BiDi]MessageHandler: Support command broadcasting for window contexts
Bug 1724222 R[Toolkit:Async Tooling]Add profiler markers in DeferredTask
Bug 1723941 R[Toolkit:Crash Reporting]Crash in [@ CrashReporter::OnChildProcessDumpWritten]
Bug 1700795 R[Toolkit:Startup and Profile System]Detect running from .dmg on macOS and report telemetry
Bug 1724085 R[Toolkit:Telemetry]Remove aklotz from telemetry notification emails
Bug 1723719 A[Tree Management:Perfherder]Link to devtools test documentation
Bug 1722703 R[WebExtensions:General]XHR from background page is marked as Sec-Fetch-Site: cross-site
###########
Changes to 65 bugs - 50 fixed.
3 bugs are not included due to being restricted