Version 13, the first public release, was made on March 20, 1985.
The first public release of the modification was on 1 March 2008.
Its public release was a low moment in American history.
Final public release should follow soon, perhaps around July 14.
The science team will select the best images for public release.
The first public release of the code was done in 1990.
April 2001 saw the first public release of the tools and so allowed others to begin work on their own levels.
It was not intended for public release so initial development took just a few days.
As of writing this public release works on Windows 7 x64.
The first public release was a beta in October 1993.