From 3bbada4b061dc56163d3580e768092603fc7127a Mon Sep 17 00:00:00 2001
From: Jesse van Assen <jesse.v.assen@gmail.com>
Date: Tue, 22 Aug 2023 20:00:19 +0200
Subject: [PATCH] Update CHANGELOG.md

---
 packages/scoped-custom-element-registry/CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/scoped-custom-element-registry/CHANGELOG.md b/packages/scoped-custom-element-registry/CHANGELOG.md
index 7c607710..1c33a053 100644
--- a/packages/scoped-custom-element-registry/CHANGELOG.md
+++ b/packages/scoped-custom-element-registry/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- ## Unreleased -->
 
+## [Unreleased]
+
+### Fixed
+
+- `toggleAttribute` only triggers `attributeChangedCallback` when the attribute actually changes (#556).
+
 ## [0.0.9] - 2023-03-30
 
 - Update dependencies ([#542](https://github.com/webcomponents/polyfills/pull/542))