This content was released on May 15 2019. The official support period is 6-months from this date.
Our book for complete Android-development beginners, Android Apprentice, is now updated to Android Studio 3.3 and Kotlin 1.3!
This is a companion discussion topic for the original entry at https://www.kodeco.com/3174425-android-apprentice-book-now-updated-for-kotlin-1-3