NEW293556
Removing a CSS custom property from an adopted stylesheet in a ShadowRoot does not update the computed value 
https://bugs.webkit.org/show_bug.cgi?id=293556
Summary Removing a CSS custom property from an adopted stylesheet in a ShadowRoot doe...
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
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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
<rdar://problem/152126785>
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