Prior versions all said "beta" on the download page, and it no longer says that - so it's safe to assume that this is the final version.
I have it installed, in "About" written version 5.0.0.25, nothing said about beta, so I think it's not.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.