The current version of open62541 is 1.5.9 (as of 05/10/2026). patchletter checks the official source daily and emails you new releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 1.5.9 | STABLE | 05/10/2026 | Release notes → |
| 1.5.8 | STABLE | 07/09/2026 | Release notes → |
| 1.5.7 | STABLE | 22/08/2026 | Release notes → |
Frequently asked questions
- What is the latest version of open62541?
- open62541 1.5.9, released 05/10/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the open62541 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 open62541 updates?
- Tick open62541 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 open62541 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/open62541)https://patchletter.com/badge/open62541.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
