Note the edit in Changes section

Author: kbabbitt

css-gaps-1/Overview.bs

@@ -946,4 +946,6 @@ Changes since the <a href="https://www.w3.org/TR/2025/WD-css-gaps-1-20250417/">1
 	<ul class="non-normative">
 		<li>Specified the behavior when gaps are coincident due to track collapsing.
 			(<a href="https://github.com/w3c/csswg-drafts/issues/11814">Issue 11814</a>)
+		<li>Removed the special case of ''column-rule-width'' having a computed value of ''0'' when ''column-rule-style'' is ''border-style/none'' or ''border-style/hidden''.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/11494">Issue 11494</a>)
 	</ul>