Bug 1610140 R[Core:DOM: Animation]Stop using NS_ERROR_DOM_TYPE_ERR in Animation
Bug 1609117 A[Core:DOM: Core & HTML]Intermittent TEST-UNEXPECTED-TIMEOUT | /html/cross-origin-opener-policy/coep-redirect.https.html | TestRunner hit external timeout (this may indicate a hang)
Bug 1609866 R[Core:DOM: Core & HTML]Stop using NS_ERROR_DOM_TYPE_ERR in URLSearchParams
Bug 1609629 R[Core:DOM: Editor]Hits assertion in nsContentUtils::DispatchInputEvent() if you drop file into contenteditable editor
Bug 1609805 R[Core:Graphics: WebRender]Support a new reftest kind, for verifying rasterizer accuracy with different tile sizes
Bug 1609002 R[Core:Graphics: WebRender]Keep position:fixed elements attached to the layout viewport during async scrolling (WebRender implementation)
Bug 1609913 R[Core:Graphics: WebRender]Rendering is broken with native compositor on Windows
Bug 1610165 R[Core:ImageLib]SVG images that fail to get inserted into the cache get stuck in a repaint loop
Bug 1609856 R[Core:SVG]Stop using NS_ERROR_DOM_TYPE_ERR in SVG code
Bug 1579440 N[GeckoView:General]Geckoview confuses libxul / gecko about whether multiprocess mode is on/available [browser.tabs.remote.autostart]
###########
Changes to 11 bugs - 9 fixed.