I gave build 239 a try starting with the tutorial (TheSimplestLanguage).
Unfortunately the tutorial window opened by the second Help menu entry
cannot be changed when a dialog is open (modal dialog blocking all
application frames...). What about opening the tutorial in the browser?
I've created the concept and the editor and started triggering a
rebuild, but it failed in IDEA (java.awt not found). OK, then I've
changed the IDEA-module's JDK from the IDEA-SDK to a JDK 1.5.* and it
compiled. When I now wanted to create a new model back in MPS, it did
not let me choose my newly created TheSimplestLanguage, so I could not