Firefox 96 crashing with GeckoMain process running at 100% CPU

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Hi, I have the same issue as @Inglebard :

Fresh update of both FF & TB
tested repair mode, have it on all my FF profiles (5 of them)
Xfce, everything up to date (I update my system with topgrade )

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If you’re having trouble with Firefox, try disabling HTTP3 in about:config with the ‘network.http.http3.enabled’ key. After setting this and restarting Firefox everything worked again.

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More details about the issue here : 1749908 - Infinite loop in HTTP3 hangs socket thread

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