Passing main thread RemoteImageBufferProxy based ImageBuffers to worker based OffscreenCanvas crashes. This can bee seen in the following skipped tests: imported/w3c/web-platform-tests/html/canvas/offscreen/filter/offscreencanvas.filter.w.html imported/w3c/web-platform-tests/html/canvas/offscreen/manual/filter/offscreencanvas.filter.w.html
<rdar://problem/77617725>
Works now.