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VMware vSphere - Firefox
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A community dedicated to the profession of IT Systems Administration
No generic Lemmy issue posts please! Posts about Lemmy belong in one of these communities:
!lemmy@lemmy.ml
!lemmyworld@lemmy.world
!lemmy_support@lemmy.ml
!support@lemmy.world
Maybe it has something to do with sleeping tabs? Try disabling it and see.
Edit: I also found, at least in my case, Win11 had two Firefox processes running in efficiency mode which would kill my browsing at times. Verify that too if you can.