Update changelog

Author: teppokoivula

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.3] - 2020-10-20
+
+### Fixed
+- Improved compatibility when both wireframe-framework/processwire-composer-installer and hari/pw-module are enabled.
+
 ## [1.0.2] - 2019-07-11
 
 ### Added