296622 2025-07-29 07:45:45 -0700 :host:has() should match 2025-09-05 14:50:01 -0700 1 1 1 Unclassified WebKit CSS Safari Technology Preview Mac (Apple Silicon) macOS 15 RESOLVED DUPLICATE 282687 https://bugs.webkit.org/show_bug.cgi?id=282687 InRadar P2 Minor --- 1 cluffpost webkit-unassigned cluffpost koivisto ntim webkit-bug-importer oldest_to_newest 2133099 0 cluffpost 2025-07-29 07:45:45 -0700 Overview: Per CSSWG resolution (https://github.com/w3c/csswg-drafts/issues/10693#issuecomment-2289330553), the `:host:has()` selector should match. Reproduction/Demo: https://codepen.io/mattclough/pen/bNVBLWm?editors=1000 Expected results: The shadow root host should be selected, consistent with https://github.com/mozilla/wg-decisions/issues/1592 Actual results: The shadow root host is not selected Build Date & Hardware: Build 20622.1.20.1 on macOS 15.5 (24F74) 2134395 1 webkit-bug-importer 2025-08-05 07:46:12 -0700 <rdar://problem/157565412> 2141327 2 gsnedders 2025-09-05 14:50:01 -0700 *** This bug has been marked as a duplicate of bug 282687 ***