
CODESYS Release & Teaser Notes
EtherCAT
July 30, 2026
Latest version: 4.12.0.0
This version contains bug fixes, improvements and the following new features:
- support for Beckhoff MX-System
- support for Balluff IO-Link gateways BNI XG1, XG3 and XG5
- improvements, when used together with CODESYS Redundancy
PROFINET
July 29, 2026
Latest version: 4.8.0.0
This version will contain bug fixes, improvements and the following new features:
- Topology Editor that displays graphically all involved devices and its connections.
- Dynamic Reconfiguration to support online change when modifying/adding devices.
- Support of GSDML specification V2.46
- Show newest installed device only
- Per default, no more duplicates / older versions of a device are shown.
- SysEthernetBurst
- Use new runtime interface (included in SP22) that sends and receives multiple Ethernet frames with one call.
- Noticeable performance improvement.
EtherNet/IP
June 25, 2026
Latest version: 4.9.1.0
Maintenance version.
CANopen Manager SL
June 23, 2026
Latest version: 4.4.0.0
Maintenance version.
CANopen Device SL
June 23, 2026
Latest version: 4.4.0.0
Maintenance version.
IO-Link SL
June 02, 2026
Latest version: 4.4.0.0
Maintenance version.
It will support the IO Device Description Scheme 1.1.5.
Modbus
May 12, 2026
Latest version: 4.6.0.0
This version will contain bug fixes.
- Optional additional I/O channels that contain diagnosis information of each single Modbus channel.
- New FB ModbusTCPRequestServer that allows the application to control the server's answers to requests from the client.
NetX
January 29, 2026
Latest version: 4.1.0.0
This version contains bug fixes.
EDS Import
October 14, 2025
Latest version: 4.3.0.0
This version contains bug fixes.
PROFIBUS
May 05, 2025
Latest version: 4.2.0.0
This version contains bug fixes.
EtherNet Adapter
March 28, 2023
Latest version: 4.2.0.0
This version adds language support for Turkish and Portuguese and contains a bugfix.
BACnet SL
December 06, 2023
Latest version: 2.0.0.0
Support new functionality standardized in BACnet standard ASHRAE 135-2020 and protocol revision 25.