Bug 1237782 R[Core:Networking: HTTP]Remove support for appcache storage in Nightly and early beta
Bug 1531951 R[Core:JavaScript: GC][hazards] Virtual method resolution is incorrect/incomplete
Bug 1533895 N[Firefox:Session Restore]Intermittent browser/components/sessionstore/test/browser_broadcast.js | Uncaught exception - SecurityError: The operation is insecure.
Bug 1536747 R[Core:Widget: Gtk][Wayland] Picture-in-picture video window is not always on top
Bug 1581874 R[DevTools:Debugger]Inline Preview Warning: Each child in a list should have a unique "key" prop.
Bug 1582320 R[Core:WebRTC: Networking]Color code ICE state on about:webrtc
Bug 1583766 R[Core:User events and focus handling]3.26 - 3.52% tart (windows10-64-shippable, windows7-32-shippable) regression on push eff2ef054e11b67054afd0efad550bce37a13198 (Fri September 20 2019)
Bug 1584228 R[Firefox:Preferences]Manually added search engines not showing icons in about:preferences
Bug 1584263 R[Core:Layout]No need to flush delayed resizes while updating layout.
Bug 1584374 R[Core:DOM: Core & HTML]Unblock OOP parent load events when we cancel loading a sub frame
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Changes to 11 bugs - 10 fixed.