MPS 2018.3 Beta is out
The first beta version for this new version is ready for you to try. The Beta includes a more user-friendly wizard and scripts for the Rich Client Platform (RCP) build, and fixes for some merge conflict issues.
We are doing a lot of bug fixing, so please keep reporting them in our issue tracker. You can see the complete list of bugs fixed here.
Have a nice day!
Your JetBrains MPS Team