It is able to identify methods that have been moved and modified, totally reorganized classes, find conflicts at the semantic level and may more... hope it helps!
Can you please send a git-mergetool patch to the git mailing list? This will save everyone the trouble of needing to discover how to configure it. Feel free to contact me offline if you need some pointers.
yep. we started with c#. java will be there too, later c/c++ and after all that it is a matter of listening to our users and react as fast as we can! :-) I'd love to have javascript soon too.