Quoting castewarkp from here: http://www.kerberos-productions.com/forum/viewtopic.php?f=37&t=32658
r21933c
------
Critical fixes:
+ Fixed a weapon firing race condition that could lead to crashes in networked combat.
+ Fixed the excessive strategic AI tax rate leading to economic suicide at the start of a game.
Other fixes:
+ It is no longer possible to modify caravan fleets in transition.
+ Fixed an issue that could cause the strategic AI to redesign constructors and freighters each turn.
+ AI ship designs now consider armor and other available options.
+ Fixed sporadically missing Zuul battle music.