CODESYS® Releases & Updates

CODESYS Release & Teaser Notes

OPC DA Server SL

20. Mai 2026

Aktuellste Version: 3.5.22.20

This version contains mainly bug fixes and some improvements in various product areas.

Communication

18. Mai 2026

Aktuellste Version: 4.8.0.0

The data source online change can be licensed and activated using the new store product "Online Configuration Change"

OPC UA Client API

19. Januar 2026

Aktuellste Version: 1.3.0.0

This version adds support for Timestamps on values from the server.

IIoT Libraries SL

16. Dezember 2025

Aktuellste 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

02. Dezember 2025

Aktuellste 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.

OPC UA PubSub SL

28. Oktober 2025

Aktuellste Version: 1.3.0.0

This version introduces message security for Pub/Sub for runtimes V3.5 SP21 or later (with runtimes < V3.5 SP22, it must use the same certificate using in other OPC UA functions). Additionally, the OPC UA Pub/Sub license is included in the "software metrics" dialog.