MixEmergency 2.3 is released today. This version fixes a number of minor issues when using Mac OS X version 10.9 (Mavericks). Download it here: http://www.inklen.com/mixemergency/download
The update is free for those who have purchased a MixEmergency 2 license. MixEmergency 1 license holders are still eligible to upgrade for only $99.