CHANGELOG update

Author: gkjohnson

CHANGELOG.md

@@ -4,7 +4,7 @@ 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).
 
-## Unreleased
+## [0.2.7] - 2021-02-09
 ### Added
 - Add warnings if unsupported feature semantics are detected for I3DM and PNTS files
 - Support for I3DM rotation, scale features.