The current version of EMQX is 6.3.1 (as of 18/09/2026). patchletter checks the official source daily and emails you new releases.
EMQX at a glance
EMQX is a widely used open-source, highly scalable MQTT broker for IoT, handling large numbers of connected devices. EMQX ships regular releases plus security fixes; as a broker that can control devices and often bridges untrusted networks, hardening and keeping it current matter.
For admins the security fundamentals mirror any MQTT broker but at scale: enable authentication and TLS, set fine-grained access control on topics, and never expose an unauthenticated broker to the internet — an open broker leaks data and can let anyone control connected devices. EMQX runs clustered for scale; upgrade nodes carefully and back up configuration first. Its dashboard and API belong on a protected network behind authentication. Because MQTT often drives physical actuators, treat access seriously. After updating, verify that clients connect, authenticate and messages flow across the cluster. Check plugin and rule-engine compatibility across versions. Track the version and its support window; patchletter surfaces new EMQX releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 6.3.1 | STABLE | 18/09/2026 | Release notes → |
| 6.3.0 | STABLE | 03/09/2026 | Release notes → |
| 6.2.3 | STABLE | 21/08/2026 | Release notes → |
| 6.2.2 | STABLE | 03/07/2026 | Release notes → |
| 6.2.1 | STABLE | 11/06/2026 | Release notes → |
| 6.2.0 | STABLE | 01/04/2026 | Release notes → |
| 6.1.4 | STABLE | 03/08/2026 | Release notes → |
| 6.1.3 | STABLE | 02/07/2026 | Release notes → |
| 6.1.2 | STABLE | 09/06/2026 | Release notes → |
| 6.1.1 | STABLE | 26/02/2026 | Release notes → |
| 6.1.0 | STABLE | 30/12/2025 | Release notes → |
| 6.0.3 | STABLE | 18/06/2026 | Release notes → |
| 6.0.2 | STABLE | 16/01/2026 | Release notes → |
| 5.8.9 | STABLE | 31/12/2025 | Release notes → |
| 5.8.8 | STABLE | 04/09/2025 | Release notes → |
| 5.8.7 | STABLE | 02/07/2025 | Release notes → |
| e6.0.1 | STABLE | 11/11/2025 | Release notes → |
| e6.0.0 | STABLE | 30/09/2025 | Release notes → |
| e5.10.4 | STABLE | 02/06/2026 | Release notes → |
| e5.10.3 | STABLE | 28/01/2026 | Release notes → |
| e5.10.2 | STABLE | 11/11/2025 | Release notes → |
| e5.10.1 | STABLE | 18/09/2025 | Release notes → |
| e5.9.2 | STABLE | 14/11/2025 | Release notes → |
| e5.8.11 | STABLE | 23/06/2026 | Release notes → |
| e5.8.10 | STABLE | 15/04/2026 | Release notes → |
| e5.8.9 | STABLE | 31/12/2025 | Release notes → |
| e5.8.8 | STABLE | 04/09/2025 | Release notes → |
Frequently asked questions
- What is the latest version of EMQX?
- EMQX 6.3.1, released 18/09/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the EMQX 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 EMQX updates?
- Tick EMQX 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 EMQX 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/emqx)https://patchletter.com/badge/emqx.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
