1.18 has been released to the Default branch. If you still wish to play 1.17 save games, you can switch to stable branch at anytime. Instructions are here
1.18 was a long time coming. I blew the original estimated dates mainly because I wanted to get rid of some of the GUI complaints about the game. This was a lot of unscheduled work. In 1.18 a vast amount of the GUI has been rewritten in the RnD department. There are still some quarks here and there but most will find that it is much easier to use.
We've also added many new features, fixed a few old ones, and adjusted the gameplay mechanics internally somewhat. There is now much more visible information in the RnD department.
1.19 will focus mainly on factories, branches, production, and selling. As well as a makeover of the world map GUI. We will follow the same set up as 1.18 with minor versions being released in Testing branch and only updating the main branch of the game with major versions releases.
Anyhoo Enjoy! And please if you have any question, comments, or issues, feel free to get ahold of me via Email, Forums, or even chat message. I don't mind.
1.18 Change Log:
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It's too long to post, visit here: http://steamcommunity.com/app/285110/discussions/0/620700960970022451/