The babel-latin package is the Latin language module of babel, a TeX/LaTeX package for language-specific typography.
The latest stable version is available on CTAN: https://ctan.org/pkg/babel-latin
Run make tex to get the files needed by TeX (four ldf files and one lua file).
Run make manual to get the manual as PDF file.
Run make ctan to create a ZIP archive for CTAN upload.
The latest changes can be found at the end of the manual.