Release 22.0.2 is the latest stable release of OpenNMS Horizon.
It contains a number of bug fixes and enhancements, including partial support for custom date formatting in the web UI. This will be expanded to cover the entire web UI in an upcoming release.
For a high-level overview of what’s changed in OpenNMS 22, see What’s New in OpenNMS 22.
For a complete list of changes in 22.0.2 see the release notes.