On 21 August 2012, FET-5.18.1 was released.
From the ChangeLog:
- Minor code improvement.
- Got rid of MAX_SUBJECTS limitation (now there is a virtually unlimited number of subjects) - suggested by Volker Dirr.
- Updated to Qt 4.8.2.
- Added a new sample file (by L. W. Johnstone, from Belize).