Layout tests failures should be fixed before making this change.
<rdar://problem/103616340>
Created attachment 464156 [details] Patch
Since this does not affect web-exposed behavior, perhaps it should remain an internal feature. What's the reasoning for making it experimental?
Pull request: https://github.com/WebKit/WebKit/pull/11091
Canvas filter is still an internal but it is enabled for testing in 278000@main. *** This bug has been marked as a duplicate of bug 198416 ***