New CCE in CIS 6

In Lunguys test of CIS 6 beta he starts Killswitch and you can see version of that version is 5.3.167337.1146 and latest released is 2.5.x.x

Any news on whats new, why such large version number jump, when it is soming out (gues with CIS 6)?

The version number of the current version of KS in CIS v6 mods preview follows the build number of CIS.