CHANGELOG.md in app-rb-0.3.0 vs CHANGELOG.md in app-rb-0.4.0

@@ -1,4 +1,9 @@
+## App-rb 0.4.0 (April 8, 2017) ##
+
+* [breaking change] Remove node role support.
+* Support array for `name` in `constraint`.
+
 ## App-rb 0.3.0 (March 29, 2017) ##
 
 * Add debug info in `Registry#tags_list`
 
 ## App-rb 0.2.0 (March 25, 2017) ##