The posts are organized as usual drafts, listed, public, with numbers and underscores of their content folders.
I could change their position - and thus their position on the frontend - using the status dialog, but obviously it is possible to do that the new cool kirby3 way.
Is there a option for the blueprint, like move: true?
I had the same problem until I found out, that “Position ändern” was not active, because I used the option “flip” in the blueprint. In my case I deleted flip in the blueprint, changed the position of the post and added flip again.