Layout URL parameter: all layouts are stable

packages/edit-site/src/components/page-templates-template-parts/index.js

@@ -205,9 +205,7 @@ export default function PageTemplatesTemplateParts( { postType } ) {
 	const { params } = useLocation();
 	const { activeView = 'all', layout } = params;
 	const defaultView = useMemo( () => {
-		const usedType = window?.__experimentalAdminViews
-			? layout ?? DEFAULT_VIEW.type
-			: DEFAULT_VIEW.type;
+		const usedType = layout ?? DEFAULT_VIEW.type;
 		return {
 			...DEFAULT_VIEW,
 			type: usedType,

packages/edit-site/src/components/sync-state-with-url/use-sync-path-with-url.js

@@ -101,28 +101,12 @@ export default function useSyncPathWithURL() {
 					canvas: undefined,
 					path: navigatorLocation.path,
 				} );
-			} else if (
-				navigatorLocation.path === '/wp_template/all' &&
-				! window?.__experimentalAdminViews
-			) {
-				// When the experiment is disabled, we only support table layout.
-				// Clear it out from the URL, so layouts other than table cannot be accessed.
-				updateUrlParams( {
-					postType: undefined,
-					categoryType: undefined,
-					categoryId: undefined,
-					path: navigatorLocation.path,
-					layout: undefined,
-				} );
 			} else if (
 				// These sidebar paths are special in the sense that the url in these pages may or may not have a postId and we need to retain it if it has.
 				// The "type" property should be kept as well.
-				( navigatorLocation.path === '/pages' &&
-					window?.__experimentalAdminViews ) ||
-				( navigatorLocation.path === '/wp_template/all' &&
-					window?.__experimentalAdminViews ) ||
-				( navigatorLocation.path === '/wp_template_part/all' &&
-					window?.__experimentalAdminViews )
+				navigatorLocation.path === '/pages' ||
+				navigatorLocation.path === '/wp_template/all' ||
+				navigatorLocation.path === '/wp_template_part/all'
 			) {
 				updateUrlParams( {
 					postType: undefined,