SimThyr has been published in version 3.2.4. This is a hot-fix release that addresses the tracker items #18 ("Scenario files are not correctly read in") and #19 ("Windows: Text in help window too small to be read").
SimThyr 3.2.4 is available from http://simthyr.sf.net or http://simthyr.berlios.de for Mac OS X, Linux and Windows.