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Firefox laggy (YouTube Mostly) since update 149.0

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Not sure if this is a Firefox or YouTube bug.. it's really annoying and happens quite a few times each day I use my PC.. Is there any solution to this or perhaps reverting the update til this is resolved? I usually wait fo rit to stop lagging or if I'm not patient enough.. I'll just close Firefox entirely and re-open. Thanks.

Not sure if this is a Firefox or YouTube bug.. it's really annoying and happens quite a few times each day I use my PC.. Is there any solution to this or perhaps reverting the update til this is resolved? I usually wait fo rit to stop lagging or if I'm not patient enough.. I'll just close Firefox entirely and re-open. Thanks.

Krejt Përgjigjet (1)

Yes, I noticed it back in 145. On 1 of my 6 desktops(KDE) I run Nightly that's not synced and has no add-ons and YouTube works normally. Test with another user account and also see what happens under your account with Firefox in Troubleshoot mode.

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