Bug 1638373 R[Core:DOM: Content Processes]Remove PJavaScript and everything else in js/ipc
Bug 1640020 R[Core:DOM: Core & HTML]Perma /content-security-policy/reporting/post-redirect-stacktrace.https.html | ReferenceError: ReportingObserver is not defined when Gecko 78 merges to Beta on 2020-06-01
Bug 1640021 R[Core:DOM: Core & HTML]Perma /html/cross-origin-embedder-policy/reporting-subresource-corp.https.html | [document] same-origin - promise_test: Unhandled rejection with value: object "TypeError: frame.contentWindow.ReportingObserver..." when Gecko 78 merges to Beta on 2020-06-01
Bug 1615564 R[Core:DOM: Core & HTML]Lots of time spend in Window.clearTimeout after watching movies on https://www.tvnow.de
Bug 1640065 R[Core:DOM: Editor]Clean up editing/run/*.html.ini for WPT
Bug 1640240 R[Core:DOM: Events]Remove message manager usage from browser_test_focus_after_modal_state.js
Bug 1640018 R[Core:DOM: Networking]Perma /fetch/stale-while-revalidate/revalidate-not-blocked-by-csp.html | Request revalidation aren't blocked by CSP - promise_test: Unhandled rejection with value: object "ReferenceError: ReportingObserver ..." when Gecko 78 merges to beta on 2020-06-01
Bug 1640245 R[Core:DOM: Workers]Remove frame script dom/workers/test/frame_script.js and message manager from workers tests
Bug 1640401 R[Core:Graphics: WebRender]Some custom styles cause the browser window to white flashes
Bug 1636273 R[Core:Panning and Zooming]After pinch-zooming in, horizontal viewport scrollbar on BMO cannot be dragged
Bug 1640280 A[Core:SVG]Extend autofocus support to SVGGraphicsElement
Bug 1432090 A[Core:Widget: Gtk][CSD] Button layout not according to settings
Bug 1640227 R[Firefox:Search]Remove frame script and message manager from test browser_contentSearchUI.js
Bug 1635239 R[Firefox:Search]Ensure telemetry is correct when an search engine is overriding the default
Bug 1635235 R[Firefox:Search]Implement reading the allow override search engine allowlist from remote settings
Bug 1638502 A[Firefox:Security][DoH] Persist TRR-selection dry-run result
Bug 1640528 R[Firefox:Sync]`extension-storage` being present in `meta/global` causes syncs to fail
Bug 1614477 R[Firefox Build System:Lint and Formatting]doc: dxr links are deprecated
Bug 1637463 R[Firefox Build System:Task Configuration]Split writeruntimes data by suite
Bug 1640493 R[Toolkit:XUL Widgets]Make toolbarbutton's dropmarker optional instead of inserted by default, to reduce CE costs of toolbarbuttons
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Changes to 20 bugs - 15 fixed.