I just updated from SVN, recompiled everything, started a new campaign, and on the very first mission two civilians walked into each other, into the exact same space - this crashed the game.
Part of the log says:
ERROR: LET_PathMove: Actor movement is out of sync: 123:115:0 should be 127:115:0 (step 3 of 3) (team 0)
Unless this is something known that I missed previously, I'm going to put more information on the sourceforge bugtracker along with the full log.
Has anyone else experienced this?
I remember something about this when player units were moving, but I've never seen it happen during the civilian's turn.