Since there have been questions and a series of PMs about this, I wish to provide an overview of what has happened. I hope I can alleviate the questions and speculations surrounding this by this statement.
As everyone knows, both Jasta and Nikel have done good work as modders in their respective fields of interest. Since AGEOD has a history of acknowledging good modding work and of incorporating the best elements of such in the official versions of the game, Jasta and Nikel were invited to join the NCP beta/improvement team, which they accepted.
As it turned out that the other members of the team were not prepared for Jasta's way of communicating. When this proved to be a challenge, none of the people involved were able to acknowledge it and take the necessary steps to find a way to resolve it and accommodate the others. Instead, things continued to the point where frustration turned things sour, and from there on, things went further downhill.
It finally reached a point where Jasta and Nikel did not wish to remain part of the NCP team, something that has been heeded. Jasta has additionally chosen to no longer make his mods available for public download, which, of course, is his choice to make.
In short, I consider this to be a failure of communication. Since communication always involves more than one person, this is not a situation where blame can be placed on any single person, even if people had wished to do so. I am, though, truly sorry for the way it turned out, leaving the community poorer for it.
As for the future, both Jasta and Nikel are (of course) welcome to continue the work they have been doing before all the above happened. Pocus sums it up nicely above:
Pocus wrote:Your excellent mods are always welcome in the forum, for the benefit of the community and players of NCP. I'm sure they would be delighted to see them back.
In my opinion, far too many people have by now spent far too much time on this issue already. I suggest we let these issues rest and instead return to playing, discussing and making these games 
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