The best place to start a discussion on that would...

# grpc

[Marc Plano-Lesay]

The best place to start a discussion on that would most likely be the grpc-kotlin GitHub issues (edit: there's already one: https://github.com/grpc/grpc-kotlin/issues/51)

[Sebastien Leclerc Lavallee]

The official repo doesn't seems pretty fast on adopting multi platform.

You can have a look at this one here:
https://github.com/streem/pbandk
It supports JS and native