[Webkit-unassigned] [Bug 241458] REGRESSION (iOS 15.5): Angular Materials style triggers poor performance on a long scrolling page

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jun 21 21:17:03 PDT 2022


Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
            Summary|REGRESSION (iOS 15.5): Page |REGRESSION (iOS 15.5):
                   |flickers a lot, when page   |Angular Materials style
                   |gets big                    |triggers poor performance
                   |                            |on a long scrolling page

--- Comment #8 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
I was able to log in and do some debugging. As you noted, the Angular Materials style is triggering some poorly performing content, causing excessive work on every scroll. For some reason that I don't yet understand, this is much worse on iOS than macOS.

For now I'd advise not using the Angular Materials for buttons etc; choose an alternate style if you can.

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