These 32-bit Windows binaries are for LuaTeX 1.17.0, released in May 2023.
They were built by Mojca Miklavec using the contextgarden build farm;
specifically, they come from
https://build.contextgarden.net/#/builders/86/builds/148.

See https://tug.org/texlive/bugs.html (for 2023) for an overview,
and https://tug.org/~mseven/luatex.html for details.

The full updated TL source tree can be retrieved with
  rsync -a --delete --exclude=.svn --exclude=Work --exclude=inst tug.org::tlbranch
Or see the LuaTeX upstream source. --karl@tug.org