In July, we released updates to all OpenNMS Meridian versions under active support, as well as an update to Horizon 28.
Release 28.0.1 contains a bunch of bug fixes and enhancements, plus a few security updates.
The codename for Horizon 28.0.1 is Optimus Prime.
For a high-level overview of what has changed in Horizon 28, see What’s New in OpenNMS Horizon 28.
Meridian Point Releases
All Meridian releases this month contained security updates, so it is recommended that you upgrade.
Starting in Meridian 2019, improvements to the Kafka provider were added, and Meridian 2021 includes a bunch of other small bug fixes and enhancements.
For a list of changes, see the release notes: