Bug 1704332 R[Core:CSS Parsing and Computation]Remove support for gecko_pref_controlled_initial_value, and do some cleanup.
Bug 1631581 R[Core:DOM: Bindings (WebIDL)]Rename legacy Web IDL extended attributes
Bug 1696712 R[Core:Layout][css-pseudo] Use 'white-space: pre' by default in ::marker
Bug 1696713 R[Core:Layout]Add a missing #include to nsCanvasFrame.cpp
Bug 1699180 V[Core:Panning and Zooming]Double-tapping on the browser’s horizontal scroll bar zooms out of the in focused content and moves the focus to the beginning of the document/webpage
Bug 1698238 A[Core:WebRTC: Audio/Video]initial selectAudioOutput() boilerplate
Bug 1704206 R[Core:XUL]Add an API for activating menu items that doesn't require synthesizing events
Bug 872078 R[DevTools:Netmonitor]Some special treatment should be given to fonts in the Response tab
Bug 1704060 R[Firefox:General]Replace BrowserTestUtils.waitForCondition with TestUtils.waitForCondition in browser_progress_keyword_search_handling.js
Bug 1702330 R[Firefox:Messaging System]Graduate the infobars to the main proton pref
Bug 1702545 R[Firefox:Screenshots]Ensure browser/extensions/screenshots/build/buildSettings.js passes eslint check
Bug 1633416 R[Firefox:Security]What are TYPE_UNKNOWN certificates and do we need to consider them in about:certificate?
Bug 1701990 R[Firefox:Tabbed Browser]Remove 'Drag Space' option from Customize mode
Bug 1704375 R[Firefox Build System:General]mach vendor fails with "cannot access the file because it is being used by another process"
Bug 1703886 R[Toolkit:Application Update]Let `MOZ_BACKGROUNDTASKS` ride to Beta and make `MOZ_UPDATE_AGENT` depend on `MOZ_BACKGROUNDTASKS`
Bug 1703909 A[Toolkit:Application Update]Enable background update for Nightly users on Windows
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Changes to 16 bugs - 12 fixed.