
CODESYS Release & Teaser Notes
Communication
August 06, 2025
Latest version: 4.6.1.0
This version fixes sporadic crashes when disconnecting a data source from an OPC UA Server. Also some issues when working with datas sources at engineering time are fixed.
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.
IIoT Libraries SL
May 13, 2025
Latest version: 1.12.0.0
This version allows communicating with Azure IoT Hub via WebSocket proxies, provides a new library for accessing a Weather Forecast service, and includes maintenance of MQTT Client, AWS IoT Core Client, SNMP Service, Mail
DNP3 SL
November 06, 2023
Latest version: 1.0.0.0
- This is the initial release for supporting the DNP3 protocol in CODESYS applications. The protocol can be configured and used through a new library for DNP3. A CODESYS Store Runtime product for Linux with at least version 4.10 is required for using DNP3.
- Known Limitations:
- configurator is not available, DNP3 can be used through an user-friendly library
- In this first release, only the usage of a CODESYS device as an outstation is supported.