What's the state of LuaJIT these days?

This page summarizes the projects mentioned and recommended in the original post on /r/lua

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  • LuaJIT

    Mirror of the LuaJIT git repository

  • The LuaJIT website basically still says it's specced for 5.1, but the GitHub shows several open and closed Issues relating to various 5.2, 5.3, 5.4 things. I assume individual features are just being ported as-needed by contributors? Is there anywhere I can find a list (needn't be comprehensive) about the key features that are/aren't supported?

  • luajit2

    OpenResty's Branch of LuaJIT 2

  • openresty's LuaJIT2 has, and makes, regular releases (the last one was less than a month ago), and closely tracks development, including the extensions beyond Lua 5.1.

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  • pallene

    Pallene Compiler

  • Pallene is still just an experimental research project, but there is enough done that it is possible to write full programs. The Github repo is here. If you really want Lua 5.3 and 5.4 features while getting improved performance, I think Pallene may get you there before LuaJIT gets there.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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