Changes in 20210603094827

Built from 3350b68026ed51868a2100acb87d1833d61ac486

..index..
Bug 1517199 R[Core:Audio/Video: MediaStreamGraph]Setting playbackRate on a media element does not work when the media element is going to the MediaStreamGraph
Bug 1713787 N[Core:CSS Parsing and Computation]Fix some CSS-variables tests.
Bug 1712726 A[Core:DOM: Events]Coalesce MouseWheel events more aggressively
Bug 1713383 R[Core:Disability Access APIs]Add rtop_bg.exe to a11y blocklist
Bug 1713015 N[Core:Disability Access APIs]Update the default color override option to respect high contrast themes on Mac
Bug 1713680 R[Core:Disability Access APIs]Crash in [@ mozilla::a11y::DocAccessibleParent::AddChildDoc] MOZ_DIAGNOSTIC_ASSERT(false) (Binding to parent that isn't a valid OuterDoc!)
Bug 1713544 R[Core:Graphics: WebRender]Introduce CompositorTransform and store CompositeTiles in local space
Bug 1706615 R[Core:Privacy: Anti-Tracking]Respect the tracking-protection permission for the URL query string stripping
Bug 1714180 A[Core:Privacy: Anti-Tracking]Follow-up to SmartBlock phase 2 to improve opt-in isolation
Bug 1701192 R[Core:Security: PSM]Size limit of SiteSecurityServiceState.txt and Firefox cache partitioning make HSTS unreliable
Bug 1696359 R[Core:Security: Process Sandboxing]Broken build on arm/arm64 with older kernel (missing __NR_statx, __NR_rseq)
Bug 1712591 R[DevTools:Console]Stop listening to "navigate" from the web console
Bug 1713810 A[DevTools:Storage Inspector]openTabAndSetupStorage and clearStorage test helpers are throwing with fission
Bug 1677126 R[Firefox:Address Bar]Split UrlbarProviderRemoteTabs from UnifiedComplete
Bug 1682634 A[Firefox:Screenshots]Add test coverage for screenshot dimensions
Bug 1709405 R[Firefox:Search]Change Search Settings label from Search Bar exceeds the button on narrow windows
Bug 1713683 R[Firefox Build System:Lint and Formatting]Perma [tier2] tools/lint/test/test_black.py::test_lint_fix[black] ERROR | E KeyError: 'log'
Bug 1714159 R[Firefox Build System:Lint and Formatting]`mach lint` does not normalize drive letter case on Windows, leading to `test_black.py` failures
Bug 1713173 R[Firefox Build System:Mach Core]Add a flag like `--profile-command` for profiling `mach` commands
Bug 1708482 R[Firefox Build System:Task Configuration][Wayland] Add Wayland taskcluster variants to linux1804 tests.
Bug 1700396 R[Release Engineering:General][meta] Bump Updatebot Version
Bug 1714156 R[Release Engineering:General]Disallow 0 weeks in frequency in moz.yaml schema
Bug 1661517 R[WebExtensions:General]Remove extensions.allowPrivateBrowsingByDefault preference
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Changes to 23 bugs - 17 fixed.