Bug 2008913 Comment 13 Edit History

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https://share.firefox.dev/49m5de9 This profile should include:
- close the profiler menu
- open the main menu
- close the main menu
- open the main menu again
- close the main menu again
- open the profiler menu

> Also can you confirm this repros on a clean profile or without the alpenglow theme? It should, but just to confirm.

It does repo on a clean profile, but it _feels_ worse with my normal profile. I'm not sure if I'm just imagining it.

> Can you confirm Firefox is fast in a maximized window, or in fullscreen, but slow in a normal-sized window?

Yes, it's much faster with a maximized window. I never use firefox maximized and didn't notice.
https://share.firefox.dev/49m5de9 This profile should include:
- close the profiler menu
- open the main menu
- close the main menu
- open the main menu again
- close the main menu again
- open the profiler menu

> Also can you confirm this repros on a clean profile or without the alpenglow theme? It should, but just to confirm.

It does repro on a clean profile, but it _feels_ worse with my normal profile. I'm not sure if I'm just imagining it.

> Can you confirm Firefox is fast in a maximized window, or in fullscreen, but slow in a normal-sized window?

Yes, it's much faster with a maximized window. I never use firefox maximized and didn't notice.
https://share.firefox.dev/49m5de9 This profile should include:
- close the profiler menu
- open the main menu
- close the main menu
- open the main menu again
- close the main menu again
- open the profiler menu

> Also can you confirm this repros on a clean profile or without the alpenglow theme? It should, but just to confirm.

It does repro on a clean profile, but it _feels_ worse with my normal profile. I'm not sure if I'm just imagining it.

> Can you confirm Firefox is fast in a maximized window, or in fullscreen, but slow in a normal-sized window?

Yes, it's much faster with a maximized window. I never use firefox maximized and didn't notice.

(fwiw, given that we are apparently moving towards a x11-less world, as a x11 user I'd also just be ok if Firefox simply disabled those bits of shadow)

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