This has mostly bug fixes, GHC 7.4.2, GHC 7.6.1 and Gtk3 support. I have not uploaded it to Hackage as it uses Gtk2Hs patches that are not in Hackage. New features include "View->Dark" (OS X only) and "View->Fullscreen". OS X (using Gtk3) ----------------- Choose the version that matches your installed GHC http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.3.dmg http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.4.dmg http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.1.dmg http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.2.dmg http://leksah.org/packages/leksah-0.13.1.0-ghc-7.6.1.dmg (probable needs OS X 10.7) Windows (still Gtk2) -------------------- Choose the version that matches your installed GHC http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.3.exe http://leksah.org/packages/leksah-0.13.1.0-ghc-7.0.4.exe http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.1.exe http://leksah.org/packages/leksah-0.13.1.0-ghc-7.4.2.exe Linux ----- Follow the steps in the .travis.yml file... https://github.com/leksah/leksah/blob/master/.travis.yml Should go something like this... https://travis-ci.org/leksah/leksah