Bug 1611751 R[Core:DOM: Editor]Remove some nsIHTMLEditor, nsIEditorStyleSheets and nsITableEditor methods which are used by neither m-c, c-c nor BlueGriffon
Bug 1603374 R[Core:DOM: Service Workers]Intermittent GECKO(1494) | SUMMARY: AddressSanitizer: SEGV /builds/worker/workspace/build/src/obj-firefox/ipc/ipdl/_ipdlheaders/mozilla/dom/ServiceWorkerOpArgs.h:1178:9 in mozilla::dom::ServiceWorkerOpArgs::AssertSanity() const
Bug 1603484 N[Core:DOM: Service Workers]Walmart Grocery service worker fails to launch after initial run
Bug 1611132 R[Core:Disability Access APIs]Perma TEST-UNEXPECTED-FAIL | accessible/tests/browser/events/browser_test_focus_urlbar.js | Test timed out - when Gecko 74 merges to Beta on 2020-02-10
Bug 1605508 R[Core:Graphics]Write new on-boarding document with rendering overview
Bug 1612207 R[Core:Graphics]SourceSurfaceCapture::IsValid does not validate its underlying surface
Bug 1484812 R[Core:Graphics: Layers]Do partial compositing on Android using EGL_KHR_swap_buffers_with_damage
Bug 1606251 R[Core:Graphics: WebRender]The outer blur of a video won't re-render on a new frame
Bug 1611777 R[Core:JavaScript Engine]Optional chaining assertions and unreachable code
Bug 1610514 R[Core:JavaScript: Internationalization API]Don't use "percentSign" when unit=percent in Intl.NumberFormat
Bug 1612302 R[Core:JavaScript: Internationalization API]SM bustages on RelativeTimeFormat/constructor/constructor/ when Gecko 74 merges to Beta on 2020-02-10
Bug 1570363 R[Core:Layout]transform-origin incorrectly calculated for fill boxes that have zero width or height
Bug 1602088 R[Core:Layout: Scrolling and Overflow]Move nsIScrollableFrame::ScrollUnit to namespace scope
Bug 1612135 R[Core:MFBT]Enable instantiation of Result<V, E> with E that is a MOZ_NON_PARAM_TYPE
Bug 1600254 R[Core:Networking][socket process] Land missing parts of nsHttpTransaction
Bug 1611660 R[Core:Panning and Zooming]window.scrollY always returns 0 when Restore (Maximize) button is used
Bug 1612179 R[Core:XPConnect]Reuse Fission content processes for browser_retainedResultsOnFocus.js
Bug 1611055 R[Firefox:Address Bar]Replace UrlbarProvider subclasses in tests with UrlbarTestUtils.TestProvider
Bug 1610298 N[Firefox:Messaging System]Preview messages don't belong to a provider
Bug 1611465 R[Firefox Build System:General]Remove references to cmp() function and __cmp__ method in mozbuild
Bug 1611006 R[Firefox Build System:General]Convert mozbuild/test/action/* to Python 3
Bug 1611002 R[Firefox Build System:General]configure/test_toolkit_moz_configure.py supports Python 3
Bug 1598792 R[GeckoView:Extensions]Expose |options_ui| to embedders
Bug 1610539 R[Toolkit:Password Manager: Site Compatibility]Autocomplete dropdown is not toggled for some sites with multiple saved logins (on page load when the field is auto-focused)
Bug 1520119 R[WebExtensions:Frontend]Support removing a shortcut in manage shortcuts
Bug 1475043 R[WebExtensions:General]Allow commands.update() to un-set a shortcut, disabling the command
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Changes to 27 bugs - 23 fixed.