CSS Cascading 4 defines a supports() syntax for @import rules allowing support-dependent importing of other style sheets. See https://drafts.csswg.org/css-cascade-4/#typedef-import-conditions. This feature is important for different features, especially for those introducing new syntax like CSS Nesting. Sebastian
<rdar://problem/109060734>
*** Bug 265329 has been marked as a duplicate of this bug. ***
Pull request: https://github.com/WebKit/WebKit/pull/23190
Committed 273591@main (8338db44d918): <https://commits.webkit.org/273591@main> Reviewed commits have been landed. Closing PR #23190 and removing active labels.