mathematicalcoffee/Gnome-Shell-Window-Buttons-Extension — pull request #11 by Hindol (2013-04-30 06:22:56+00:00)
Title: Added "3.8" to version line in metadata.json

This simple fix makes this extension work wonderfully under gnome-shell 3.8. Tested on arch linux. Also, various other users reported that this fix works without problem. See the comments in the Gnome Extensions page.