The official release notes are available at https://github.com/CentOS-PaaS-SIG/linchpin/releases/tag/v1.6.1
This update is available via PyPI: https://pypi.org/project/linchpin/
If you discover any errors or regressions, please open a Github issue (https://github.com/CentOS-PaaS-SIG/linchpin/issues).
Cheers,