KotlinConf 2019: Derivatives - Important Concept. Simple to grasp in Kotlin by Breandan ConsidineDecember 2019
KotlinConf 2019: Compose Yourself: Designing a Kotlin First UI Toolkit by Anna-Chiara & ClaraDecember 2019
Building a library for Android and iOS using Kotlin Multiplatform by David González, Mixtiles ENMay 2019
Making any codebase more readable with Kotlin coroutines by Louis CAD, SuiviDeFlotte.net - Beepiz ENMay 2019