- 2010.3
Bugfixes relating to restart option
- 2010.2
More efficient programming
- 2010.1
Inclusion of Jensen's polarizability model
- 2009.1
Making program faster, including exponential repulsion interactions and general bugfixes
- 2007.1
General revision of DRF90 program, currently available for Linux/MacIntel
- 2001.0
General update of code, making it work on all machines it was tested on:
AIX/RS6000, Pentium/Linux, Dec-Alpha/Linux, Cray.