We just released version 1.06.5, 'Diplomacy Open Beta' onto you! Please help use iron out any quirks so we can have a nice 1.07 patch as soon as possible (in 2020 though).
The official announcement is here
http://www.slitherine.com/forum/viewtop ... 34&t=95705
You can post general comments in this forum, but otherwise try posting bug reports and issues here
In a nutshell, you can now make proper peace treaties (with clauses), and have some good bargain with your neighbors