On 9/30/26 11:08, David C Rankin wrote: > All, > > Update tonight pulled in Firefox 157. It will not play youtube video > (e.g. BBC Dark Energy documentary). When it attempts to play the video, > one CPU core is pegged at 100% continually (Isolated Web Co) and the > page takes minutes to load. The Isolated Web Co process stays pegged at > 100% very much appearing like a race condition. > > Logically, I simply downgraded to 156 still in the cache only to find > my profile corrupted by the 157 update and unusable with 156 anymore. > > If you rely on youtube, you may want to add firefox to the Ignore line > in pacman.conf until this gets figured out. If you launch it once, your > profile will be irreversibly updated to the 157 format and then you are > stuck without your passwords, etc.. if you have to downgrade. > > Sure wish I would have known. Frustrating... >
Firefox 157 plays YouTube just fine for me. Have you tried Firefox’s troubleshoot mode already? Best, Jonathan
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