CHANGELOG.md in activesupport-6.0.0.beta2 vs CHANGELOG.md in activesupport-6.0.0.beta3

@@ -1,4 +1,9 @@
+## Rails 6.0.0.beta3 (March 11, 2019) ##
+
+*   No changes.
+
+
 ## Rails 6.0.0.beta2 (February 25, 2019) ##
 
 *   New autoloading based on [Zeitwerk](https://github.com/fxn/zeitwerk).
 
     *Xavier Noria*