Changes in 20201122093438

Built from fee6933e4786f18fe26d06c3b3964c98da0ef6d3

..index..
Bug 1678881 R[Core:CSS Parsing and Computation]Speed up selector serialization.
Bug 1678389 A[Core:DOM: Core & HTML]File / Color input popup silently doesn't show up if called after an async call due to the popup blocker.
Bug 1678644 R[Core:DOM: Selection]Permanent /selection/textcontrols/selectionchange.tentative.html | Modifying selectionStart value of the textarea element - assert_equals: expected 1 but got 0 when Gecko 85 merges to Beta on 2020-12-14
Bug 1672700 R[Core:Disability Access APIs]Rich text editing: Braille is not tracking text and the cursor when composing documents in contentEditables, with and without ARIA roles.
Bug 1675301 R[Core:Disability Access APIs]Firefox very slow on Reddit with VoiceOver and Braille enabled
Bug 1676662 R[Core:Disability Access APIs]In contentEditables, list items are not exposed, and the whole text cannot be navigated by character with VoiceOver.
Bug 1678838 R[Core:Graphics: WebRender]Ship WebRender to missing Skylake gt4 GPU
Bug 1678837 R[Core:Graphics: WebRender]Report WebRender Software explicitly as a compositor type
Bug 1678675 R[Core:JavaScript Engine: JIT]Replace TypeMonitorResult with ReturnFromIC
Bug 1677917 A[Core:Layout]Change BlockReflowInput's skipsides setup to be sane.
Bug 1678758 R[Core:Layout: Tables]We report wrong overflow areas for fragmented table-row-groups
Bug 1674254 R[Core:Performance]Inside a WebWorker context, calling performance.addEventListener throws a generic NS_ERROR_FAILURE
Bug 1677388 R[External Software Affecting Firefox:Other]Crashes in NitroPDF creator and reader, e.g. in [@ nitropdfdrivercreator11.dll | nitroui11.dll | DocumentPropertySheets]
Bug 1675926 R[Firefox:Address Bar]Tab does not exit search mode after a location change if it is switched away from quickly
Bug 1678770 R[Firefox:Address Bar]The local search shortcut rows in the preferences UI should show their restriction characters as keywords
Bug 1455479 R[Firefox:Menus]Non-editable elements with onpaste handlers should get a "Paste" command in their context menu
Bug 1675624 U[Firefox:Search]Ensure we persist search engine metadata between locale changes
Bug 1595483 R[Toolkit:Places]Remove visited-status-resolution notification, or make it test-only.
Bug 1678669 R[Toolkit:Places]Remove Places migrations older than Firefox 60
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Changes to 19 bugs - 16 fixed.