Re: Heads up - Firefox 157, Youtube pegs 1 core at 100%, unwatchable, profile irreversibly upgraded on 1st start

[Ką Mykolas]

On Thu, Oct 8, 2026 at 8:06 PM David C Rankin <drankina...@gmail.com> wrote:

>    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.


Mhm. Weird.
Haven't noticed any differences with Youtube while running firefox 157.0.1-1

Kind regards