Features January 2026
S2OPC revision 1.7.0 is now available
S2OPC revision 1.7.0 is now available and introduces several key enhancements and new features, including:
- Security Audit: fires OPC UA events in case of cybersecurity related events
- Role Permission: to assign permissions to roles rather than individual users, simplifying management and improving security
- PubSub Extended Support: now available on Windows
- History Read: adds the capacity for the server to store previous values of nodes
- Node Management: completes the services to add and delete nodes run time
- Performance Improvement: improves performance of write/add nodes operations
- Zephyr 4.1 Support: compatible with the latest version of this real-time operating system
Why update?
This release includes important cybersecurity fixes. Systerel recommends that all users to upgrade to ensure optimal security and functionality.
The version upgrade from 1.6.0 to 1.7.0 is expected to be smooth, with minimal disruption, as the API maintains its stability and consistency.
Thanks to our sponsors
We would like to especially thank the various sponsors who contributed participatory funding to the development of this version:
- Alstom Transport
- BPI France
- CIMO
- NCC Cyber
- Neways Electronics
- Renault Group
- Schneider Electric
- Sabik Offshore
- Selectron
- Technicatome
- Technilog
Release details
For the full release notes, visit: S2OPC Revision 1.7.0 Release Notes
About S2OPC
S2OPC is a Safe & Secure OPC UA stack, developed by Systerel and offered under the Apache 2.0 open-source license.
It is continually enhanced to meet evolving standards in industrial automation.