fixes #357

docs/getting-started/changelog.md

@@ -9,6 +9,7 @@ _During the beta period, these restrictions may be relaxed in the event of a mis
 ## Nexts
 
 - Add touch support to `sl-rating` [#362](https://github.com/shoelace-style/shoelace/pull/362)
+- Fixed a bug where the `open` attribute on `sl-details` would prevent it from opening [#357](https://github.com/shoelace-style/shoelace/issues/357)
 
 ## 2.0.0-beta.30
 

src/components/details/details.ts

@@ -162,7 +162,9 @@ export default class SlDetails extends LitElement {
 
   @watch('open')
   handleOpenChange() {
-    this.open ? this.show() : this.hide();
+    if (this.details) {
+      this.open ? this.show() : this.hide();
+    }
   }
 
   render() {