Static methods in baseLanguage interfaces
In the new version, MPS allows creating static methods in interfaces. In order to use this feature you only need to import baseLanguage.
JUnit run configuration now accepts plugins to deploy
Similar to MPS Instance run configuration one is able to provide the list of idea plugins to be deployed on the test execution.
The before task 'Assemble Plugins' is available in JUnit run configuration as well. It automatically builds the given plugins and copies the artifacts to the settings directory.
New meaning of 'Compile in MPS' flag