Update changelog for release.

scikit-hep · Aug 20, 2021 · eb805a4 · eb805a4
1 parent e0af8f8
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.2.0]
+
+### Added
+- Added support for for stacks of PlottableHistograms.
+
 ## [2.1.0]
 
 ### Added