perspective(0) is always rounded to perspective(1px), so should not be considered a transform operation. This is causing several WPT tests in the CSS Transforms suite to fail.
Created attachment 452015 [details] Patch
Looks like you missed a WPT progression in imported/w3c/web-platform-tests/web-animations/animation-model/animation-types/interpolation-per-property-002.html :)
Created attachment 452058 [details] Patch
Tools/Scripts/svn-apply failed to apply attachment 452058 [details] to trunk. Please resolve the conflicts and upload a new patch.
Created attachment 452157 [details] Patch
Committed r289903 (247336@main): <https://commits.webkit.org/247336@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 452157 [details].
<rdar://problem/89032876>