Bug 1663231 R[Core:CSS Parsing and Computation]Make @font-face and @counter-style serialization match other browsers more closely
Bug 1658791 A[Core:DOM: Core & HTML]Perma [Tier 2] dom/base/test/test_setting_opener.html | uncaught exception - NS_ERROR_ILLEGAL_VALUE: Illegal value at construct/<@resource://specialpowers/WrapPrivileged.jsm:229:17
Bug 1658702 A[Core:DOM: Events][Input Events] Set "affected" ranges to the result of `getTargetRanges()` at dispatching `beforeinput` event
Bug 1662820 R[Core:Printing: Output]Broken kerning with "Save to PDF" print destination, with "13px Arial" as font
Bug 1603629 R[Core:SVG]dominant-baseline hanging is inconsistent with other UAs
Bug 1662425 R[Core:Widget: Gtk][Wayland] Crash nsWaylandDisplay::DispatchEventQueue()
Bug 1661219 R[Core:Widget: Gtk]KDE-native mouse gestures stopped working with XInput2
Bug 1661949 A[Firefox:Address Bar]No longer able to search from address bar with ? prefix and keyword.enabled = false
Bug 1661673 R[Release Engineering:Release Automation: Other]make esr78 not next-esr
Bug 1662862 R[Toolkit:Crash Reporting]Most system libraries have their debug ids (UUIDs) nulled out in macOS 11 (BigSur) minidumps
Bug 1663151 R[Toolkit:Printing]Show the system dialog button when printing on Linux.
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Changes to 11 bugs - 8 fixed.