[Webkit-unassigned] [Bug 249912] REGRESSION(256929 at main?): Extremely poor keyboard scrolling performance on various websites
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Jan 22 11:43:29 PST 2023
https://bugs.webkit.org/show_bug.cgi?id=249912
Michael Catanzaro <mcatanzaro at gnome.org> changed:
What |Removed |Added
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CC| |mcatanzaro at gnome.org
--- Comment #1 from Michael Catanzaro <mcatanzaro at gnome.org> ---
I have a guess at what might be happening here. WebKit scrolling performance has always been poor, with the web view frequently stalling during scroll. With 2.39.3, I think WebKit now continues "internally" scrolling during those periods of stall where it appears to the user that no scrolling is happening. So if I'm holding down an arrow key, WebKit will keep scrolling secretly, and when the stall ends it will overshoot big time. Then I have to manually scroll back to where I want to be using the mouse, since if I use the keyboard the same thing will happen again.
We might need to revert 256929 at main.
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