Nope, the JVM is the main platform, and also used for Android development, which by the way, still mostly uses Android Java on the platform code.

Kotlin Native came later, its memory model was incompatible with Java, thus breaking portability for libraries between JVM and Kotlin Native, thus Jet Brains had to reboot Kotlin Native memory model.

https://blog.jetbrains.com/kotlin/2021/05/kotlin-native-memo...

Currently it is mostly used to port Android code into iOS apps, hardly something that even JetBrains could show off running their IDEs on top off, nah, they still need the JVM.