Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0 Flash Version 22.214.171.124 STR: 1. Launch Nightly 2. Navigate to following video: http://www.tvanouvelles.ca/2016/10/23/le-photo-blocker-spray-bel-et-bien-interdit-confirme-la-sq 3. When video start playing switch to full screen 4. Observe AR: Video hangs for 3 to 10 seconds ER: Video should switch to full screen mode without issue Flipping dom.ipc.plugins.asyncdrawing.enabled = false does not solve the issue
Update: Issue is reproducible on Windows 10(x64) Nightly 64/32 bits and Windows 7(x64) Nightly 32 bits
The video on the website now is HTML5. The issue is no more reproducible.