https://github.com/openresty/luajit2 https://github.com/openresty/luajit2 It has a few extras but they agree with the original luajit authors opinion that not

https://github.com/openresty/luajit2 https://github.com/openresty/luajit2 It has a few extras but they agree with the original luajit authors opinion that not every 5.2 feature can be made in jit.