
CODESYS Release & Teaser Notes
IIoT Libraries SL
December 16, 2025
Latest version: 1.13.0.0
This version
- adds support for binary HTTPS (application/octet-stream) and for HTTPS and Mail with OAuth2 Grant_Type = Device_code
- provides an example for using Azure Event Grid with the MQTT Client library
- provides maintenance of Azure IoT Hub, MQTT Client, Web Client, Mail Service
- supports library inspection and license manager
- is forward compatible with upcoming CAA-free BASLIB 5.0 (and also still with CAA-based BASLIB 4.0.1)
DNP3 SL
December 02, 2025
Latest version: 2.0.0.0
Support for additional data types and events is added to complete support of DNP3 Level 1 for the outstation library.
Additionally support for implementing a DNP3 master will be added.
Communication
October 28, 2025
Latest version: 4.7.0.0
Support for exporting the OPC UA server contents as nodeset xml files for offline engineering of OPC UA clients.
OPC UA Client API
July 03, 2025
Latest version: 1.2.0.0
This version contains improvements in diagnosis and in the decoding and writing of structures & arrays.
Security Agent
June 25, 2025
Latest version: 1.4.0.0
This release includes usability improvements.