It's a development version and new features are being added constantly, although it is fully usable.

Only development versions with a trailing alphabetic character are valid.

If the development versions are required, then DCs must be created for them.

The available development version was recovered in 2007.

The last development version of Oleo, 1.99.16, was released in 2001.

The software has progressed through several development versions, and as of 2010 Planz is not in commercial release.

There are two development branches for fli4l, a stable and a development version.

However, this proved to be somewhat overoptimistic, and from 1993 to early 1994, 15 development versions of version 0.99 appeared.

You can find a working demo of a working development version at wind.sf.net.

Ma Gnus is the current development version, v0.1 released in early 2012.