Bug 232481 - https://twitter.com/webkit/ takes 100% CPU for a while
Summary: https://twitter.com/webkit/ takes 100% CPU for a while
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: Safari Technology Preview
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Sergio Villar Senin
URL:
Keywords: InRadar
Depends on:
Blocks: 225590 221479 230755
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Reported: 2021-10-29 05:10 PDT by Anthony Ricaud
Modified: 2021-11-01 13:49 PDT (History)
6 users (show)

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Description Anthony Ricaud 2021-10-29 05:10:30 PDT 
See https://twitter.com/lapcatsoftware/status/1453469143479504913. 

Jeff Johnson reports this issue on macOS 11.6.1.

I'm also seeing this issue on macOS 12.0.1.
Comment 1 Radar WebKit Bug Importer 2021-10-29 12:27:43 PDT 
<rdar://problem/84819606>
Comment 2 Yusuke Suzuki 2021-10-29 12:36:11 PDT 
This looks like flexbox layout issue. https://twitter.com/lapcatsoftware/status/1453470082517147648
Comment 3 Yusuke Suzuki 2021-10-29 13:07:27 PDT 
Caused by r284359.
Comment 4 Yusuke Suzuki 2021-10-29 13:20:57 PDT 
Reverted three changes in https://trac.webkit.org/changeset/285045/webkit