Ask HN: Firefox 147.0.2 high CPU usage

Posted by gethly 1 day ago

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I updated firefox today and immediately saw 30% CPU utilization with two youtube tabs open. It's annoying AF.

Anyone else experiencing the same?

Comments

Comment by Bender 1 day ago

Anyone else experiencing the same?

Not here. Same version under flatpack on bazzite, works fine with many tabs open and one tab watching videos. As an experiment try starting in safe mode to see if the behavior changes.

    firefox -safe-mode

    flatpak run org.mozilla.firefox --safe-mode

    # or hold shift whilst launching