https://github.com/Abjad/abjad/releases
https://pypi.org/project/abjad/
https://pypi.org/project/nauert/
https://pypi.org/project/rmakers/
Please see the Abjad 3.22 release notes for the new way of installing the nauert and makers packages.
Documentation available here:
https://abjad.github.io/nauert/
https://abjad.github.io/rmakers
Happy composing,