The release blog post is here - https://code.facebook.com/posts/302060973291128/open-sourcing-haxl-a-library-for-haskell/ https://code.facebook.com/posts/302060

The release blog post is here - https://code.facebook.com/posts/302060973291128/open-sourcing-haxl-a-library-for-haskell/ https://code.facebook.com/posts/302060973291128/open-sourcin... It contains a lot more information about the problem it was originally created to solve, and potential other use cases.