changes.txt in intercom-2.1.6 vs changes.txt in intercom-2.2.0

@@ -1,4 +1,7 @@
+2.2.0
+ - Handle blanks on identity attributes (e.g. email) better.
+
 2.1.6
  - Add handling for service unavailable exceptions
 
 2.1.5
  - Fix typos in error messages (thanks to @infertux)