Bug 1237782 R[Core:Networking: HTTP]Remove support for appcache storage in Nightly and early beta
Bug 1529319 V[Toolkit:Preferences]Cannot click on label next to radio input to select the radio input option
Bug 1564167 R[Core:JavaScript Engine][jsdbg] Debugger argument checking should not use gnarly macros
Bug 1565332 N[Firefox Build System:Task Configuration]Update desktop1604-test image to use Debian 10 (buster)
Bug 1566196 R[Core:DOM: Content Processes]Enable subframe crashing regression test
Bug 1567581 R[Toolkit:Telemetry]Add fission pref in the telemetry environment
Bug 1570559 R[Core:Panning and Zooming]Pinch zooming in on a picture from Amazon triggers the context menu
Bug 1576697 R[Firefox:Launcher Process]Introduce LauncherResult in WinHeaderOnlyUtils.h instead of WindowsErrorResult
Bug 1576776 R[Core:JavaScript Engine]Add Debugger.onNativeCall hook
Bug 1576781 R[Core:JavaScript Engine]Add Debugger API to get offsets of effectful script operations
Bug 1577007 R[Core:JavaScript Engine]Add debugger method to compare underlying natives
Bug 1577499 R[Core:DOM: Core & HTML]Implement transient activation flag
Bug 1578045 R[Core:Graphics]Matrix4x4::TransformAndClipBounds does not clip bounds
Bug 1579028 R[Core:Canvas: WebGL]Crash in mozilla::gl::SharedSurface_SurfaceTexture::Commit during WebGLContext::GetVRFrame() call
Bug 1579115 R[Toolkit:Preferences]Update the about:config search placeholder
Bug 1579335 R[WebExtensions:Request Handling]Perma fission [tier 2] toolkit/components/extensions/test/mochitest/test_ext_request_urlClassification.html | Test left extra windows or tabs: {"extraWindows":[],"extraTabs":["http://tracking.example.org/"]}
Bug 1579545 R[Firefox Build System:General]remove unused `NO_PW_GECOS` defines
Bug 1579546 R[Firefox Build System:General]remove `SK_BUILD_FOR_ANDROID_NDK` define
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Changes to 20 bugs - 17 fixed.
1 bugs are not included due to being restricted