What’s New in OpenNMS Horizon 33
System requirements
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Java 11 and 17: OpenNMS Horizon 33 runs on JDKs 11 and 17.
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PostgreSQL 10 or higher: Horizon 33 requires any supported version of PostgreSQL from 10 up to (and including) 16.
New features and important changes
OpenNMS Plugin API
The OpenNMS Plugin API has been updated to version 1.6.0, which includes some new APIs ported over from the Horizon codebase to simplify plugin development, as well as cleanups to dependencies. It also includes some fixes to the protocol list used by Enlinkd.
Expanded Metadata Support
It is now possible to use the metadata DSL in nearly all configuration files. For details on all of the subsystems that support the metadata DSL, see the operation manual.