[Webkit-unassigned] [Bug 236473] Large page that loads MathJax becomes unresponsive, only in Safari

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=236473

Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bfulgham at webkit.org,
                   |                            |simon.fraser at apple.com,
                   |                            |zalan at apple.com
          Component|JavaScriptCore              |Layout and Rendering

--- Comment #1 from Alexey Proskuryakov <ap at webkit.org> ---
I can reproduce this with macOS 12.2 on an M1 MacBook Pro. It's a lot shorter than 25 seconds on this hardware, and the webpage doesn't get completely unresponsive, but it's noticeably slow to respond to clicks in these filter controls.

There is a lot of relayout happening as part of handling mouse events (move, force, press).

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