Update CHANGELOG.md

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## Changelog
+### Changed
+- String decoding to use `TextDecoder`.
+
 ## [0.2.8] - 2021-02-26
 ### Fixed
 - Pass fetch options to B3DMLoader.