For the curious, here are the ancient McStas releases
| Release | date |
| mcstas-1.0.tar.gz | October 1998 |
| mcstas-1.1.tar.gz | March 31, 1999 |
| mcstas-1.2.tar.gz | January 31, 2000 |
| mcstas-1.3.tar.gz | May 18, 2000 |
| mcstas-1.4.tar.gz | July 28, 2000 |
| mcstas-1.4.1.tar.gz | March 16, 2001 |
| mcstas-1.4.2.tar.gz | April 2001 ? |
| mcstas-1.5.tar.gz | September 18, 2001 |
| mcstas-1.6-ill.tar.gz | October 23, 2001 |
| mcstas-1.6.1-ill.tar.gz | February 18, 2002 |
Releases by the current McStas team plus contributors - see the official download page.