2.6.8 is a generic bugfix release.
See the full list of changes.
As freeciv-2.6 is not the current release series, source code is available from old downloads page. Compiled Windows packages aren't available yet, but should follow shortly; we'll post again here when they turn up.
Stable release 2.6.8
Re: Stable release 2.6.8
Windows packages now available.