We've released Community Edition 21.10. Includes 903 commits and a very large number of changes.

Upgrade using our docs: https://docs.observium.org/updating/#upgrade-to-latest-major-release

Requirements: PHP7.1, MySQL 5.6.5/MariaDB 10.0, RRDTool 1.6.

Raw changelog at https://www.observium.org/svn.log