Update CHANGELOG.md

Olga Danylova · web-flow · commit 314043ae7aac · 2018-11-01T13:20:00.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # RELEASE HISTORY
 
+## 5.2.1 November 1, 2018
+* UserDefaultsHelper class added to the tvOS and watchOS binaries
+
 ## 5.2.0 October 30, 2018
 * Push Templates support added
 
