Das Tool Certbot, ehemals Let’s Encrypt Client genannt, erhielt ein kleineres Update. Es werden kleinere Fehler behoben u.a. ein Installationsproblem auf neueren OSes.

Certbot 0.30.2 Release Notes

• Update the version of setuptools pinned in certbot-auto to 40.6.3 to
  solve installation problems on newer OSes.

Quelle: https://community.letsencrypt.org/t/certbot-0-30-2-release/84053

Certbot 0.30.1 Release Notes

• Always download the pinned version of pip in pipstrap to address breakages
• Rename old,default.conf to old-and-default.conf to address commas in filenames
  breaking recent versions of pip.
• Add VIRTUALENV_NO_DOWNLOAD=1 to all calls to virtualenv to address breakages
  from venv downloading the latest pip

Quelle: https://community.letsencrypt.org/t/certbot-0-30-1-release/83952