Nick Galbraith: Avoiding Kava
Kotlin is a great language, and takes a lot of cues from Java. Android Studio even has a built in converter! However, there's a lot of things we did in Java that don't need to be done in Kotlin, so there's a weird state of Java concepts written in Kotlin - or, Kava.
(Warning: this talk may also involve jokes about avoiding the drink of the same name)