CHANGELOG.md in groupdate-5.2.1 vs CHANGELOG.md in groupdate-5.2.2

@@ -1,4 +1,8 @@
+## 5.2.2 (2021-02-08)
+
+- Added support for `nil..nil` ranges in `range` option
+
 ## 5.2.1 (2020-09-09)
 
 - Improved error message for invalid ranges
 - Fixed bug with date string ranges