CHANGELOG.md in gapic-generator-0.4.0 vs CHANGELOG.md in gapic-generator-0.4.2

@@ -1,6 +1,11 @@
 # Release History for gapic-generator
 
+### 0.4.2 / 2020-04-28
+
+* Prepend double-colon to absolute/global namespaces to prevent conflicts.
+* Fix documentation/examples of timeouts to clarify they are in seconds.
+
 ### 0.4.0 / 2020-04-20
 
 * Support generating clients of "common" interfaces by delegating to another service config.
 * Added an accessor for the long-running-operation client from the main client.
 * Generate tests for the configure method and operations client accessor.