The PyGTK era ends with last major release
With the release of version 2.24 of the PyGTK Python bindings for the GTK+ toolkit, the end of the PyGTK era has come according to lead developer John Stowers. On his blog, he wrote that "the future of Python on the GNOME platform is PyGObject and GObject introspection". Ironically, Stowers says, the state of PyGTK and Windows and Mac has never been better thanks to developers such as Dieter Verfaillie who worked on the Windows version.
PyGTK was the first 'pythonic' user interface toolkit for Linux, created by James Henstridge and licenced under the LGPL. The new version will work with GTK+ 2.24 on all platforms, but there will not be a version for GTK+ 3.0. PyGTK will continue to be maintained and bug fixes, if necessary, will be made, but no new features will be added. The code for PyGTK will not be disappearing from servers writes Stowers, nor will it be removed from distributions. For new features and GTK+ 3.0 compatibility though, users should be looking at PyGObject.
The source of PyGTK 2.24 is available to download. A Windows "all in one" installer is available to download but the installer hasn't appeared for download at the time of wriing; work on the Mac OS X packaging is ongoing. Details of the changes made are included in the mailing list release announcement.