Enable CSS :open pseudo-class by default

nt1m · nt1m · commit 2e0a18f769a4 · 2026-02-11T13:08:52.000-08:00
https://bugs.webkit.org/show_bug.cgi?id=307509 rdar://170108337 Reviewed by Simon Fraser. It's now implemented for dialog, details & selects. * Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml: Canonical link: https://commits.webkit.org/307295@main
diff --git a/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml b/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
@@ -5789,17 +5789,17 @@ OffscreenCanvasInWorkersEnabled:
 
 OpenPseudoClassEnabled:
   type: bool
-  status: testable
+  status: stable
   humanReadableName: ":open pseudo-class"
   humanReadableDescription: "Enable the :open CSS pseudo-class"
   category: css
   defaultValue:
     WebKitLegacy:
-      default: false
+      default: true
     WebKit:
-      default: false
+      default: true
     WebCore:
-      default: false
+      default: true
 
 OpenXRDMABufRelaxedForTesting:
   type: bool
