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Bilibili livestream may cause severe performance issue

Watching any Bilibili live stream causes severe performance issues. The main problems I can observe are intermittent severe mouse cursor stuttering/frame drops or the cu… (read more)

Watching any Bilibili live stream causes severe performance issues. The main problems I can observe are intermittent severe mouse cursor stuttering/frame drops or the cursor becoming unresponsive, accompanied by the taskbar process (explorer.exe) intermittently restarting. 

I have tried disabling the Picture-in-Picture feature and tampermonkey add-on, modifying the Windows 11 registry to turn off MPO (Multiplane Overlay), adjusting browser hardware acceleration, and tweaking related settings in about:config, but none of these have been able to prevent the issue.
Open 1
Firefox App responsiveness
Graffiti99 replied 10 hours ago

Since 153.0.0 update, FF64 goes to "not responding" when I fill in an onscreen field (like this one) and white overlay appears over FF interface.

I have tried safe mode. No joy, but it has shown plain vanilla FF is the issue, not extensions. (I'm using a different browser to make this report, so Share Data button i… (read more)

I have tried safe mode. No joy, but it has shown plain vanilla FF is the issue, not extensions.

(I'm using a different browser to make this report, so Share Data button is of no use here.)

Open 2
Firefox App responsiveness
fpmalin replied 1 hour ago