[Webkit-unassigned] [Bug 228917] REGRESSION (r276882): iOS 15 Shadow DOM CSS OM styles don't work when class names change

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228917

--- Comment #10 from Antti Koivisto <koivisto at iki.fi> ---
So the page mutates inline stylesheet in a shadow tree via CSSOM. A bad pattern in terms of performance and everything else, but it should still work.

I suppose we are missing some invalidation after mutation.

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