Add to release notes.
@@ -7,6 +7,13 @@ All notable changes to this project will be documented in this file.
This project adheres to
[Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+## [Unreleased]
+
+### New features and enhancements
+
+* The Gamma tool now utilises the `logging` module. The `quiet`parameter for
+ `pymedphys.gamma` is deprecated but its use is non-breaking (for now).
+
## [0.38.0]
### News around this release
