[jkot]

Other IDEs just dropped the ball. There is 13 years old pull request to enable language support for languages such as Groovy or Scala: https://bugs.eclipse.org/bugs/show_bug.cgi?id=36939

You can fork Idea on Github and send pull requests...

[vorg]

For the last 3 months, Groovy has been officially known as "Apache Groovy".