[johncolanduoni]

The packages would have to settle on a stable ABI. This is virtually impossible for Rust (which has no ABI stability between binaries compiled with different compiler versions).

Unfortunately this doesn’t get you much in the way of safety guarantees either, since you can’t readily run these packages in separate WASM instances; Rust, C++, C etc. all assume a shared linear memory when linking.

I’m bullish on WASM in general but I think WASM for simplifying package management or for writing executables that just need restricted filesystem access is a solution in search of a problem. Various containerization efforts have solved most of the important problems here with less runtime and toolchain overhead.