Bug 293556

Summary: Removing a CSS custom property from an adopted stylesheet in a ShadowRoot does not update the computed value
Product: WebKit Reporter: Dmitry Sharabin <dmitrysharabin>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: koivisto, rniwa, simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 18   
Hardware: Unspecified   
OS: Unspecified   

Dmitry Sharabin
Reported 2025-05-25 11:07:50 PDT
I might suggest that it is cause the transition events are not being fired. Reduced testcase: https://codepen.io/dmitrysharabin/pen/VYLZBZj?editors=1011
Attachments
Dmitry Sharabin
Comment 1 2025-05-26 02:53:59 PDT
It appears that we are dealing with a regression. Safari 16.4 seems to be unaffected by the bug.
Radar WebKit Bug Importer
Comment 2 2025-05-27 19:31:50 PDT
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