UBC Blogs has been updated to 3.9.1
From WordPress.org :
This maintenance release fixes 34 bugs in 3.9, including numerous fixes for multisite networks, customizing widgets while previewing themes, and the updated visual editor. We’ve also made some improvements to the new audio/video playlists feature and made some adjustments to improve performance. For a full list of changes, consult the list of tickets and the changelog.