Release 31.0.7 is an off-cadence release containing several small bug fixes. Most notably, it upgrades the OpenNMS Plugin API host to version 1.4.0, enabling OPA plugins targeting that version to load successfully.
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 31.0.7 is Snickerdoodle.