The sigaction patch at the link you sent still has the 5.4.0 patch. (The other two have patches for 5.4.1.)
On 10 Oct 2020, at 12:26, Reuben Thomas <firstname.lastname@example.org> wrote:
I am happy to announce thatthe threepower patches I maintain, for POSIX signal handling, multi-version–multi-path installation,
and readline history,
work fine with Lua 5.4.1.
I have updated the filenames and wiki page accordingly.