amended changelog

Author: Steve Orvell

packages/scoped-custom-element-registry/CHANGELOG.md

@@ -10,6 +10,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 <!-- ### Changed -->
 <!-- ### Fixed -->
 
+## Unreleased -->
+
+### Changed
+
+- Updated to latest [proposed spec](https://github.com/whatwg/html/issues/10854)
+
+### Added
+
+- customElements.initialize: sets registry on a DOM tree
+- document.createElement(NS): takes options with {customElements}
+- document.importNode: takes options with {selfOnly, customElements}
+- Node.customElements set to creating registry
+
 ## [0.0.10] - 2025-02-26
 
 ### Added