The Most Significant UI Update in Meridian History

Meridian 2025 isn’t just another upgrade—it’s the largest release we’ve ever delivered, featuring the most substantial user interface overhaul in our history. We’ve moved from a vertical layout to a sleek horizontal design that organizes workflows into clear modules, reduces clicks, and makes navigation intuitive. This isn’t just a facelift—it’s about giving you a smoother experience, so you can focus on what matters: keeping your network healthy and your operations running seamlessly.

But that’s not all. Meridian 2025 gives you more flexibility to customize and optimize network flow data. We’ve added support for Elasticsearch 8.x and composable templates, giving you more flexibility to customize and optimize your data workflows. The new ServiceNow plugin makes ITSM integration easier than ever, bridging network monitoring with your broader operational processes. Plus, we’ve introduced virtual appliance options for simplified deployment, enhanced security features like PKCS#12 support, and performance improvements based on your feedback. These updates aren’t just technical—they’re practical, designed to help you work smarter and adapt quickly in a changing network landscape.

Key Highlights

  • Modern UI: Horizontal layout for faster navigation and better workflow organization.
  • Advanced Integration: ServiceNow plugin for seamless ITSM connectivity.
  • Flow processing: Full support for Elasticsearch 8.x and composable templates.
  • Deployment Made Easy: Virtual appliance options for flexible environments.
  • Security & Performance: PKCS#12 support, extended metadata, and key optimizations.
  • Breaking Changes: Removal of JRobin time-series engine for improved scalability.

Ready to Explore More?

Networks are growing more complex every year and monitoring them shouldn’t feel like a chore. Check out the full details in our release notes and see how these updates can transform your network monitoring experience. Meridian 2025 isn’t just an update—it’s your next step toward smarter, more efficient network management.

If you’re ready to upgrade or want to learn more about integration options like ServiceNow, reach out to our team today or send us an email.

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About the Author: Jen Fekin

Jen is the Head of Growth at The OpenNMS Group.
Published On: November 20th, 2025Last Updated: November 21st, 20252 min readTags: ,