+3.1.0 - Released
+
+ * ctsim: Added "Verbose Logging" and "Startup Tips" options
+ to Preferences.
+
+ * ctsim: Added tips to be displayed at startup and via the help menu.
+
+ * ctsim: Added accelerator key for File-Properties
+
+ * ctsim: Added threaded reconstructions for background
+ processing as well as taking advantage of multiple-CPU's
+ on SMP systems.
+
+3.0.3 - Released 2/20/01
+
+ * ctsim: Fixed core dump on Linux with OpenGL
+
+ * ctsim: Fixed context-sensitive help on Linux
+
+ * ctsim: Fixed About box on Linux
+
+3.0.2 - Released 2/20/01
+
+ * scanner.cpp: Fixed bug when number of detectors was even.
+
+ * ctsim: Improved error handling when trying to convert
+ divergent projections into polar form.
+