I think currently, the only closest thing is bevy-reflect. Which is nice, but IMHO it should be in the language because nobody supports it ATM and to get there,

I think currently, the only closest thing is bevy-reflect. Which is nice, but IMHO it should be in the language because nobody supports it ATM and to get there, it will take at least the same time it took for serde to get supported. https://crates.io/crates/bevy_reflect https://crates.io/crates/bevy_reflect