Bug 1643656 R[Core:CSS Parsing and Computation][mediaqueries-5] Remove prefers-color-scheme: no-preference.
Bug 1640901 R[Core:Graphics]Video playback stops when the tab is detached from window
Bug 1641682 R[Core:ImageLib]Assertion failure: !isSome(), at /builds/worker/workspace/obj-build/dist/include/mozilla/Maybe.h:795
Bug 1601179 R[Core:JavaScript Engine][jsdbg2] Always capture async stacks when DevTools is open
Bug 1644878 R[Core:JavaScript Engine]Map.prototype.entries receiver check error message needs improvement
Bug 1645587 R[Core:Layout: Text and Fonts]gfx/tests/mochitest/test_font_whitelist.html crashes on Linux and Android when shared font-list is enabled
Bug 1642234 R[Core:SVG]Various SVG methods should take a DOMMatrix2DInit input
Bug 1400317 A[Core:Widget: Win32]nsUXThemeData uses win32k APIs in content process
Bug 1645729 R[Firefox:Sync]`The log 'Services.Common.RESTRequest' is configured to use the preference 'services.common.log.logger.rest.request'` message often printed when sync configured
Bug 1642121 A[Firefox Build System:Developer Environment Integration]gdb prettyprinters not loaded if running from wrong directory
Bug 1638360 R[WebExtensions:General]WebExtension bookmarks context menu will appear in the "Most Visited" folder for bookmarks that have no bookmark id
###########
Changes to 11 bugs - 9 fixed.
1 bugs are not included due to being restricted