Lua Work area

This is the repository of work versions, release candidates, and other pre-releases of Lua.

We are getting ready to release Lua 5.5.1, a bug-fix release of Lua 5.5.
Download and try the latest release candidate below. Read instructions if you need them.
See the updated manual and the diffs from previous release.
All feedback is welcome.

If you have arrived here by accident, start here.

If you are looking for released versions, check out the download area.

All files are distributed under this license. Check their checksums to confirm the integrity of the packages.

Lua 5.5.1

filename date size checksum (sha256)
lua-5.5.1-rc1.tar.gz 2026-07-15 398269 c1dbdbb5be08bbd0589edd786b8878620a05cba09cbcc4275e65d1f384ef18e6
lua-5.5.1-tests.tar.gz 2026-07-15 150406 784c2dec1cabce4d2fe4673d265719f81f17d5527fc32bb6fcd3c7d95b7b494c
diffs-lua-5.5.0-lua-5.5.1.html 2026-07-15 51707 70ff9a99161d0cd72e27d42224dcbeeabd17756377ced647107384f8b37fdbbc
diffu-lua-5.5.0-lua-5.5.1.html 2026-07-15 81567 90c95ef0de1c320b5bb1346c810d058173a934199cabb02ba5b93444295ce80f

Release history

Here is a partial history of Lua releases. You can see a list of bugs and the differences between minor releases.

release date
Lua 5.5.0 2025-12-22 bugs
Lua 5.4.8 2025-06-04 bugs diffs
Lua 5.4.7 2024-06-25 bugs diffs
Lua 5.4.6 2023-05-13 bugs diffs
Lua 5.4.5 2023-04-29 bugs diffs
Lua 5.4.4 2022-01-27 bugs diffs
Lua 5.4.3 2021-03-29 bugs diffs
Lua 5.4.2 2020-12-03 bugs diffs
Lua 5.4.1 2020-10-09 bugs diffs
Lua 5.4.0 2020-06-29 bugs
Lua 5.3.6 2020-09-25 bugs diffs
Lua 5.3.5 2018-07-10 bugs diffs
Lua 5.3.4 2017-01-30 bugs diffs
Lua 5.3.3 2016-06-06 bugs diffs
Lua 5.3.2 2015-11-30 bugs diffs
Lua 5.3.1 2015-06-17 bugs diffs
Lua 5.3.0 2015-01-12 bugs
Lua 5.2.4 2015-03-07 bugs diffs