270586 2024-03-06 11:17:32 -0800 @property registrations should work from shadow dom 2024-03-15 04:03:56 -0700 1 1 1 Unclassified WebKit CSS Safari 17 Unspecified Unspecified NEW http://wpt.live/css/css-properties-values-api/at-property-shadow.html InRadar, WPTImpact P2 Normal --- 148695 1 stearns webkit-unassigned ahmad.saleem792 emilio koivisto mike nathan rniwa steveorvell webkit-bug-importer westbrook.johnson oldest_to_newest 2019117 0 stearns 2024-03-06 11:17:32 -0800 There was a spec change to have @property registrations in shadow dom be globally registered: https://drafts.css-houdini.org/css-properties-values-api-1/#shadow-dom I have changed the one WPT test that covered this to match the updated spec: https://github.com/web-platform-tests/wpt/blob/master/css/css-properties-values-api/at-property-shadow.html https://issues.chromium.org/issues/40066407#comment1 has one example of the motivation behind the spec change. 2019544 1 webkit-bug-importer 2024-03-07 22:00:49 -0800 <rdar://problem/124253268> 2021284 2 emilio 2024-03-15 04:03:56 -0700 See https://github.com/w3c/css-houdini-drafts/pull/1085, I think this probably needs more details about how it works.