DOC: changelog

ebe1b740 · Paul McCarthy · e0196614 · ebe1b740
Commit ebe1b740 authored May 04, 2020 by Paul McCarthy 🚵
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,18 @@ FUNPACK changelog
 =================


+2.2.1 (Monday 4th May 2020)
+---------------------------
+
+
+Fixed
+^^^^^
+
+
+* Reverted some changes to :meth:`.DataTable.merge` which caused performance
+  degradations.
+
+
 2.2.0 (Friday 1st May 2020)
 ---------------------------