CODESYS Release & Teaser Notes
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.
EtherCAT
April 07, 2026
Latest version: 4.11.0.0
This version contains bug fixes.
NetX
January 29, 2026
Latest version: 4.1.0.0
This version contains bug fixes.
PROFINET
January 21, 2026
Latest version: 4.7.2.0
This version corrects one internal error that prevents the version 4.7.0.0 and 4.7.1.0 to be used with CODESYS V3.5 SP22.
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.