Today we announced Stylus, a major upgrade that will be available for Arbitrum developers. Stylus lets dev submit contracts in WASM. And because there are good compilers from most programming languages to WASM, this will let you write contracts in many popular language, including Rust and C.
Stylus contract will be much faster and use much less gas to do the same computation, compared to EVM contracts. And they’ll all run together on the same chain, and interoperate easily.
For more background, see our Medium post.