Bug 1559077 R[Core:CSS Parsing and Computation]Maybe implement Element.part
Bug 1579758 R[External Software Affecting Firefox:Other]Firefox frequently crashes under Windows 2019 [Version 10.0.17763.652]
Bug 1580104 R[Core:Web Replay]Perma [tier 2] devtools/client/webreplay/mochitest/browser_dbg_rr_breakpoints-0X.js | Test timed out -
Bug 1580223 N[GeckoView:Tracking Protection]Intermittent org.mozilla.geckoview.test.ContentBlockingControllerTest.trackingProtectionException | status -2
Bug 1581467 N[Core:Layout]Do not use synthetic display-inside values.
Bug 1583088 R[Core:JavaScript Engine: JIT][JS] On mips64 platform, visitCompareI64{AndBranch} omit the case that rhs operand is on the stack.
Bug 1584859 N[Core:Layout: Scrolling and Overflow]Smooth Scrolling and Autoscroll can be migraine triggers
Bug 1585778 R[Core:Layout]AddressSanitizer: SEGV /builds/worker/workspace/build/src/obj-firefox/dist/include/mozilla/dom/Document.h:1494:53 in GetBFCacheEntry
Bug 1587676 R[Core:Graphics: WebRender]Allocate picture caching tile surfaces later during the frame.
Bug 1587837 R[Firefox:Firefox Accounts]Password change while sync is OFF does not disconnect the account from the other devices
Bug 1588018 R[Firefox:Sync]Get rid of the "mirror open" telemetry event
Bug 1588065 R[Core:DOM: Core & HTML]Fix compile errors after bug 1578624
Bug 1588201 R[Core:CSS Parsing and Computation]test_compute_data_with_start_struct.html fails with XBL disabled
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Changes to 14 bugs - 10 fixed.