CHANGELOG.md in roo_on_rails-1.20.0 vs CHANGELOG.md in roo_on_rails-1.21.0

@@ -1,4 +1,11 @@
+# v1.21.0 (2018-03-27)
+
+Features:
+
+- Rails 5.2 compatibility
+
+
 # v1.20.0 (2018-03-27)
 
 Features:
 
 - Add Hopper compatibility for DataDog integration (#90)