Niel Liesmons on Nostr: So far not really. My design package, franzap's models package and relay connections ...

So far not really.

My design package, franzap (npub1wf4…dgh9)'s models package and relay connections are all Dart.

For MLS we'll eb bridging Rust to Dart, like w (npub10td…x2wl) does.

But I don't see why using Rust in your package would be an issue.
By all means, build it