CHANGELOG.md in hash_pivot-0.2.0 vs CHANGELOG.md in hash_pivot-0.3.0

@@ -1,6 +1,11 @@
 ## [Unreleased]
 
+## [0.3.0] - 2022-06-26
+
+- Replace Column with label if Hash is given for pivot_kinds.
+- Update README for label replacing.
+
 ## [0.2.0] - 2022-06-26
 
 - Add usage examples in README.
 - Fix CHANGELOG.md url.