This talk was held during an online edition of Kotlin Meetup São Paulo, that happened on April 28th.
The talk was about what's new on the Kotlin 1.4-M1 preview, and what features and new APIs are available on this release.
The content is in pt-BR.
More info: https://www.meetup.com/pt-BR/kotlin-meetup-sp/events/270157575/
Video: https://www.youtube.com/watch?v=2OsaHC9HpYE