On Nvidia RTX 4070 (driver version 535) 1. Set WEBKIT_GST_DMABUF_SINK_DISABLED=1 2. Navigate to any page with video 3. Video cannot be played WEBKIT_GST_DMABUF_SINK_DISABLED=1 is needed because the page would crash otherwise. Tested on Epiphany Technology Preview 45.beta-30-ge0faf52a0+/ WebKitGTK 2.41.91
Superseded by https://bugs.webkit.org/show_bug.cgi?id=260654 *** This bug has been marked as a duplicate of bug 260654 ***