These are bugfix releases. They incorporate a patch, just released by the Unison maintainers, that fixes a longstanding problem whereby the 'diff' function failed to show any differences if one replica was at the other end of an ssh session.
Please upload. Thanks, Andrew. http://home.comcast.net/~andrex/cygwin/unison2.10.2/unison2.10.2-2.10.2-4.tar.bz2 http://home.comcast.net/~andrex/cygwin/unison2.10.2/unison2.10.2-2.10.2-4-src.tar.bz2 http://home.comcast.net/~andrex/cygwin/unison2.12.0/unison2.12.0-2.12.0-2.tar.bz2 http://home.comcast.net/~andrex/cygwin/unison2.12.0/unison2.12.0-2.12.0-2-src.tar.bz2