The development snapshots are official packages extracted from the Git on a continuous basis. Each snapshot reflects the Git state on a particular date and you're likely to find a really recent one. The packages have been tested on at least a couple of systems and have a good possibility to compile on yours. There are also some binary builds available.
The source snapshots are kindly provided by the KVIrc Development Team.
Honor and Glory! :)
To download the latest Git source or binary snapshot please visit. the KVIrc Github Wiki project downloads page or in the "snapshots" subdirectory of one of the ftp mirrors.