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+# Changelog
+
+All notable changes to this helm chart will be documented in this file.
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.4.0] - 2021-11-12
+
+- Upgrade Hydra subchart to 0.21.0
+- Rename `master` branch to `main` and replace references to `master`
+- Replace references to `oas` or `openappstack` to `stackspin`
+- Use of database backend