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[GH-ISSUE #98] ISSUE: Firefox on Ubuntu freezing #67
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starred/YouTube-No-Translation#67
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Originally created by @Jonatan7BR on GitHub (Sep 9, 2025).
Original GitHub issue: https://github.com/YouG-o/YouTube-No-Translation/issues/98
Originally assigned to: @YouG-o on GitHub.
Description
While watching videos a video playlist, the browser tab freezes (or the whole browser), and the CPU usage goes to max. Closing the browser and opening it again solves for some time.
I couldn't confirm if this also happens on a single video.
It happens on Firefox on Ubuntu but not on Windows 11.
Steps to Reproduce (if you noticed a specific pattern)
Environment
Example Video (Required if the issue happened on a video page)
Might happen in any video
Extension Settings
Other YouTube-related extensions you are using
@YouG-o commented on GitHub (Sep 10, 2025):
It would be great if you could reproduce your issue with your browser's console open, to see if you notice something weird in the logs.
@SOwOphie commented on GitHub (Sep 14, 2025):
Firefox 142.0.1 on Gentoo here. I am observing a memory leak that does not show up in
about:memory. The tab process is also pegged at 100% load. From the profiler trace it looks like it is updating the page title like crazy? I'm unfortunately not too familiar with web debugging tools. Let me know if there is anything else I can capture.@YouG-o commented on GitHub (Sep 15, 2025):
@SOwOphie
Have you noticed a specific pattern or does it happen every time? Where? On a regular video page or when playing a playlist like the issue's author?
Edit: Could not reproduce the issue on my side so waiting for a deeper investigation, I added a debounce on page title mutation observer (crazy I did not already) as a temporary 'fix'. It will at least not be high CPU consummer waiting for a proper solution.
I'm anyway working on a new method for titles and descriptions translation prevention, replacing them directly in the YT response. This way it will no more need any DOM modification so I won't have no deal with all those mutations anymore.
@Jonatan7BR commented on GitHub (Sep 17, 2025):
I've tried to reproduce the bug with the console open, but nothing unusual happened.
However, yesterday my browser kinda froze. At the time, there were two YouTube video tabs open. Couldn't open the other tab's console or task manager at the time, so I'm not sure if the extension is the cause.
I say "kinda froze" because the unpaused video kept on playing, but I couldn't type anything on other tabs. Even closing the browser window took some time.
@YouG-o commented on GitHub (Sep 19, 2025):
v2.14.1 is available on Firefox. It should fix the issue of the page and video title updating indefinitely. I’m pretty sure this was causing your problem. Please update to the latest version, and if the issue happens again, let me know.
@SOwOphie commented on GitHub (Sep 21, 2025):
I noticed it while on my Watch Later playlist, but it didn't always spike up instantly.
With the new release, I've decided to take one for the team and devote an evening to intense "testing" while keeping an eye on my resource usage. No unbounded growth so far after a few hours, I think it would have happened by now with the old release. Looks fixed to me. Thanks!