1.4 no longer 'in development'

CHANGELOG.txt

@@ -9,7 +9,7 @@ Changelog
  * Added a hook `insert_global_admin_js` for inserting custom JavaScript throughout the admin backend (Tom Dyson)
 
 
-1.4 (xx.xx.xxxx)
+1.4 (16.03.2016)
 ~~~~~~~~~~~~~~~~
 
  * Added support for viewing previous revisions of pages, and previewing or rolling back to earlier versions

docs/releases/1.4.rst

@@ -1,6 +1,6 @@
-==========================================
-Wagtail 1.4 release notes - IN DEVELOPMENT
-==========================================
+=========================
+Wagtail 1.4 release notes
+=========================
 
 .. contents::
     :local: