Switching to the MIT license is actually the main reason to release Lwt now, so this release is a bit sparse compared to most There are, however, other nice additions and fixes. See the changelog below.

Lwt_io.establish_server_with_client_socket was added to help port http/af to Lwt. http/af is the fast new HTTP server by @seliopou. This should be coming out soon.

Additions Change license to MIT (#560).

Lwt_fmt , an Lwt-aware version of Format (#548, @Drup).

, an Lwt-aware version of (#548, @Drup). Lwt_io.establish_server_with_client_socket (#586). Bugs fixed Lwt_stream.iter_n : rename ?max_threads argument to ?max_concurrency (#581, @hcarty).

: rename argument to (#581, @hcarty). PPX: reject match expressions that have only exception cases (#597, @raphael-proust). Miscellaneous Improvements to Lwt_pool docs (#575, @bobbypriambodo).

docs (#575, @bobbypriambodo). Restore all PPX tests (#590, Jess Smith).

Thanks to all the contributors who worked on this release, and to past contributors for agreeing to the license switch!