The current version of NATS is 2.15.0 (as of 17/09/2026). patchletter checks the official source daily and emails you new releases.
NATS at a glance
NATS is a widely used open-source, high-performance messaging system for cloud-native applications, microservices and IoT (a CNCF project). NATS ships regular releases plus security fixes; as messaging infrastructure many services depend on, careful updates matter.
For admins NATS servers are usually run as a cluster (or supercluster), so updates roll node-by-node with attention to compatibility — read the release notes and back up configuration first. The security fundamentals: enable authentication (NATS supports tokens, credentials and NKeys/JWT) and TLS, and don't expose the server unprotected, since it carries application messages. JetStream (persistence) adds stored data to protect and back up. After updating, verify that clients connect, publish/subscribe works and any JetStream streams are intact. Client and server compatibility spans versions but check it. Its simplicity and speed are draws, but the auth and TLS discipline is essential. Track the version and its support window; patchletter surfaces new NATS releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 2.15.0 | STABLE | 17/09/2026 | Release notes → |
| 2.14.7 | STABLE | 15/09/2026 | Release notes → |
| 2.14.6 | STABLE | 27/08/2026 | Release notes → |
| 2.14.5 | STABLE | 12/08/2026 | Release notes → |
| 2.14.4 | STABLE | 30/07/2026 | Release notes → |
| 2.14.3 | STABLE | 29/06/2026 | Release notes → |
| 2.14.2 | STABLE | 02/06/2026 | Release notes → |
| 2.14.1 | STABLE | 20/05/2026 | Release notes → |
| 2.14.0 | STABLE | 30/04/2026 | Release notes → |
| 2.12.12 | STABLE | 29/06/2026 | Release notes → |
| 2.12.11 | STABLE | 09/06/2026 | Release notes → |
| 2.12.10 | STABLE | 02/06/2026 | Release notes → |
| 2.12.9 | STABLE | 20/05/2026 | Release notes → |
| 2.12.8 | STABLE | 27/04/2026 | Release notes → |
| 2.12.7 | STABLE | 14/04/2026 | Release notes → |
| 2.12.6 | STABLE | 24/03/2026 | Release notes → |
| 2.12.5 | STABLE | 09/03/2026 | Release notes → |
| 2.11.17 | STABLE | 27/04/2026 | Release notes → |
| 2.11.16 | STABLE | 14/04/2026 | Release notes → |
| 2.11.15 | STABLE | 24/03/2026 | Release notes → |
| 2.11.14 | STABLE | 09/03/2026 | Release notes → |
Frequently asked questions
- What is the latest version of NATS?
- NATS 2.15.0, released 17/09/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the NATS release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new NATS updates?
- Tick NATS off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new NATS version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/nats)https://patchletter.com/badge/nats.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
