Kotlin 1.6.0 is now officially released with stable exhaustive whens, Kover, and a new memory manager for Kotlin/Native. Other language and standard library features which we know as experimental in 1.5.30 became stable as well.
Please remember that some libs which you are using can behave differently with this version.
Developer:Consider using Kotlin 1.6.0
QA engineer:Consider using Kotlin 1.6.0
PM/DM:Business as usual