Announcing New Wasm_of_ocaml Optimisations (opens in new tab)

2025 was a good year for WASM support in OCaml! In February 2025, we announced the full release of Wasm_of_ocaml (also known as WSOO), a compiler translating OCaml bytecode to WebAssembly. Since then, our teams have been working on different improvements to the OCaml ecosystem, including boosting the performance of WSOO. WSOO is already known for its speed. Users switching from Js_of_ocaml (JSOO), which translates OCaml bytecode to JavaScript, can expect significant performance improvements. ...