I saw that I can convert entities (and probably other types of classes too) from Java to Kotlin and the designer will keep working with them. That’s great!
Is there a switch somewhere in the JMix plugin to make it generate Kotlin code by default instead of Java code?
First released version of the Jmix Studio will not support Kotlin.
Something may accidentally work, but that doesn’t count.
We plan to add official Kotlin support to the Jmix Studio in the one of next Jmix Studio features releases, please stay tuned for announcements.