Board Thread:News and Announcements/@comment-27190591-20151115004415/@comment-26410366-20170926195532

AlteOgre wrote: It seems 0.4.5 is published. I just got an in-game notification announcing this.

And, yes, it is apparently released. Check the forum page for the download and changelog. Goto the forum page that Alte linked, and it should tell you what you need.