The current release is named 2009.1 and was released in April 2009.
In this example two releases were released at almost the same time.
The last major release, version 4.0, was released almost three years ago.
The final release of version 2008 was released on November 6, 2007.
The original 10 releases in the series were released on September 9, 2003.
A physical release of the album was released on July 8, 2008.
The latest major release, version 3.0, was released in 2008.
The most recent major release (3.6.5) was released in April 2013.
Then in March 1999 the final release was released (5.0).
Their previous releases were released in 1965 and 1967 respectively.