[Status] Add 4.2 to version filter.

Author: krilnon

index.js

@@ -19,7 +19,7 @@ var proposals
  * To be updated when proposals are confirmed to have been implemented
  * in a new language version.
  */
-var languageVersions = ['2.2', '3', '3.0.1', '3.1', '4', '4.1', '5']
+var languageVersions = ['2.2', '3', '3.0.1', '3.1', '4', '4.1', '4.2', '5']
 
 /** Storage for the user's current selection of filters when filtering is toggled off. */
 var filterSelection = []