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Is anyone else experiencing huge issues with Youtube on Firefox (MacOS) lately? The UI completely hangs for a few seconds, a restart of the browser helps, but I

Is anyone else experiencing huge issues with Youtube on Firefox (MacOS) lately? The UI completely hangs for a few seconds, a restart of the browser helps, but I've disabled all extensions and it still hangs. Using the devtools it seems there's a huge GC happening periodically blocking the JS thread, no idea why.

6510 2y ago
https://addons.mozilla.org/en-US/firefox/addon/h264ify/ https://addons.mozilla.org/en-US/firefox/addon/h264ify/
ravenstine 2y ago
I recently experienced an issue with YouTube + Firefox + macOS where not only did parts of the UI lag bug the queue wouldn't advance at the end of a video unless I refreshed the page. It resolved when I allowed google.com and a few others in NoScript. I wonder why your disabling of extensions didn't resolve your issue. I haven't had any more problems in the last few weeks. Also, I'm on an M3 CPU.
perryizgr8 2y ago
Just today a video became extremely choppy and then stopped. A refresh fixed it. Same setup as yours.
tushar-r 2y ago
I'm seeing this suddenly with Firefox on Windows. Persists even after reboots.
davidivadavid 2y ago
Was reading the comments to see if anyone experienced just that. Youtube sometimes becomes absolutely unusable with Firefox. Google Flights too. Would hate to switch back to Chrome but I keep having to switch back and forth.
tomatotomato37 2y ago
That sounds similar to issues I've been having recently with my Firefox uMatrix setup, which only seems to resolve when I blanket-allow everything (which kinda defeats the whole point of having it)
everfrustrated 2y ago
Same with Firefox on Windows
meiraleal 2y ago
Linux too.