CHANGELOG.md in warden-github-rails-1.2.2 vs CHANGELOG.md in warden-github-rails-1.2.3

@@ -1,6 +1,11 @@
 # Changelog
 
+## v1.2.3
+
+- Use custom session serialization for proper compatibility with mock users
+  (#16)
+
 ## v1.2.2
 
 - Improve serialization and devise compatibility
 
 ## v1.2.1