133.0.3 macOS Memory Leak (arm64)

[otherwhiteguy]

There seems to be a memory leak in this version of Firefox. Whenever I have YouTube open for a bit, the page ends up taking up upwards of 5GB of memory and slows to a crawl. The only way to resolve the issue is to kill the tab in activity monitor and reload it.

[Examoon]

simular memory leak occurs on windows 11, 1  youtube tab at 1080p uses up 8 gb of ram and upwards of 50% of the gpu if you fullscreen a video. 

[AmzGrainRain]

Recently, there have been occasional memory leaks while browsing web pages (manifested as CPU usage at around 10% and increasing memory usage). When I was developing Vue+Vite (especially during hot reloading). Firefox 133.0.3, windows 11 24h2 26100.2605