Google is investing into Kotlin Multiplatform for Google Workspace (Docs, Sheets, etc). Their previous approach was transpiling Java down to Objective-C and JavaScript.

https://www.youtube.com/watch?v=C9gCm51RhsU

Meetup.com also built their app for event organizers from the ground up using Kotlin Multiplatform. This talk was incredible.

https://www.youtube.com/watch?v=VtFam_D1USw

All the KotlinConf 2023 talks can be found here: https://kotlinconf.com/talks/