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What’s New in OpenNMS Horizon 24
Java 8: OpenNMS Horizon 24 requires Java 8 as the runtime environment. To run Horizon 24, we recommend the most recent version of Oracle JDK 8 for your platform.
PostgreSQL 9 or higher: Horizon 24 requires Any supported version PostgreSQL 9 or higher. As of this writing, PostgreSQL 9.3 is the earliest version under active support, but OpenNMS is known to work with at least PostgreSQL 9.1 and up.
list of notable issues not covered elsewhere
Release 24.0.0 is the latest stable release of OpenNMS. It contains a large number of bug fixes and enhancements, most notably adding support for real-time telemetry flow processing. For a high-level overview of what’s changed in OpenNMS 24, see What’s New in OpenNMS 24.
The codename for 24.0.0 is TODO NOT DEFINED YET.
The NCS-Alarm page and the NCS-Topology-Plugin have been removed. See issue HZN-1422.