The Kotlin compiler supports the JVM 9, 10, 11, and 12 bytecode versions as target since Kotlin 1.3. 30 (changelog). Prior to 1.3. 30, only JVM 1.6 and 1.8 bytecode versions were supported as targets.
The Kotlin compiler supports the JVM 9, 10, 11, and 12 bytecode versions as target since Kotlin 1.3. 30 (changelog). Prior to 1.3. 30, only JVM 1.6 and 1.8 bytecode versions were supported as targets.