It’s been 8 months since the new version of Kotlin 1.8.0 has been released. This is a major new release that Improve kotlin-reflect performance. kotlin-stdlib-jdk7 and kotlin-stdlib-jdk8 merged into kotlin-stdlib.

And new experimental functions for JVM: recursively copy or delete directory content. Kotlin 1.8.0 also have new -Xdebug compiler option for better debugging experience. Improved Objective-C/Swift interoperability.