This repository serves only as a backup to https://curl.se/docs/caextract.html. That's the primary resource and site.
The Mozilla CA bundle extracted and converted to PEM at regular intervals. See the PEM file itself for the actual date of the latest Mozilla source change that is included in converted file.
The converted file is licensed under the same license as the Mozilla source file: MPL 2.0
We use mk-ca-bundle.pl from curl:
https://github.com/curl/curl/blob/master/lib/mk-ca-bundle.pl