Bug 1461454 R[Core:Audio/Video: Playback]Support Resist Fingerprinting in canPlayType and Media Capabilities APIs
Bug 1663341 R[Core:CSS Parsing and Computation]Make the autofill selectors not global.
Bug 1661893 R[Core:DOM: Editor][contenteditable] Space isn't inserted when typing korean in contenteditable body after upgrading from Firefox 79 to 80 on mac.
Bug 1658702 A[Core:DOM: Events][Input Events] Set "affected" ranges to the result of `getTargetRanges()` at dispatching `beforeinput` event
Bug 1663283 R[Core:Printing: Setup]Bug 1636728 broke printing nested iframes.
Bug 1663058 R[Core:Privacy: Anti-Tracking]Replace MOZ_MUST_USE with [[nodiscard]] in toolkit/components/antitracking and url-classifier
Bug 1663140 R[Toolkit:Printing]Print preview displays blank pages for pdf documents
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Changes to 7 bugs - 6 fixed.
2 bugs are not included due to being restricted