The last early access for the 2019.2 comes with new features. For this version, you can expect new error messaging customization, VCS history of changes to a specific root, a new way to run typechecking queries, and the important announcement that MPS 2019.2 will run in JDK 11.
DOWNLOAD MPS 2019.2 EAP5
Customization of error messages
For some time, there were requests for the possibility to customize some MPS error messages. Thanks to a request from one of our paying clients, we were able to give the highest priority state to this feature. All constraint checker error messa