The Gosu team is happy to announce that our Gosu plugin now supports IntelliJ 2017.3. To install it the new 4.2.0.0 version:

  1. With IntelliJ 2017.3 running, open the Settings menu and select Plugins
  2. Click the Browse Repositories… button, and search for Gosu
  3. Right click on the OS Gosu entry and select Download and Install
  4. After the plugin has been installed, restart IntelliJ