In November, we released updates to all OpenNMS Meridian versions under active support, as well as Horizon 31.0.0.

Meridian Stable Updates

Meridians 2019.1.40, 2020.1.29 , 2021.1.21 , and 2022.1.9 contains a handful of bug and security fixes, and a couple of back-ported enhancements.

For a list of changes, see the release notes:

Horizon 31.0.0

Release 31.0.0 is a new major release.

It contains several new features, including the Cloud Services Connector with Time Series DB support and a new quick-start guide.

Notable enhancements include integration of the Horizon 30 "UI Preview" items into the main UI and performance improvements to network topology discovery.
It also includes an important bug fix correcting a regression that rendered Horizon 30 unable to run in OpenShift environments, besides many other important bug and security fixes.

For a high-level overview of what has changed in Horizon 31, see What’s New in OpenNMS Horizon 31.

For a complete list of changes, see the changelog.

The codename for Horizon 31.0.0 is Doppelkeks.