Insane stutter in Youtube fullscreen

Retic3nt

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Apr 29, 2014
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So I've got a weird problem that's popped up the last few days. Basically on Firefox whenever I go to full screen the video for the first few seconds it's all good, but then for no reason it goes to maybe 1fps if not 1 frame every other second. Now going back out of full screen fixes it, goes back up to 1080p60fps not a hitch.

So out of curiosity has anyone else experienced this problem?

Current specs are
1090t @4ghz
16gb ddr3
r9 390
Win10
Latest Firefox

Now I can bypass this by using chrome (but really chrome...) though not my favorite choice to keep going back to just for full screen Youtube.
 


Went ahead and grabbed a flash to html5 plugin, while it seems to work my goodness does it ruin the rest of the browsing experience... Do you have a preferred plugin and maybe mine is garbage?