
CODESYS Release & Teaser Notes
OPC UA Client API
03. Juli 2025
Aktuellste Version: 1.2.0.0
This version contains improvements in diagnosis and in the decoding and writing of structures & arrays.
File-Based Storage
30. Juni 2025
Aktuellste Version: 0.9.0.0
This add-on introduces an alternative, textual storage format for CODESYS V3 projects.
It requires a CODESYS Professional Developer Edition (PDE) license.
Security Agent
25. Juni 2025
Aktuellste Version: 1.4.0.0
This release includes usability improvements.
Static Analysis
18. Juni 2025
Aktuellste Version: 5.1.0.0
Analysis results can be exported in the SARIF format which allows to view and process it in third party tools and CI workflows.
Automation Server
17. Juni 2025
Aktuellste Version: 1.37.0.0
This version contains compatibility improvements and bug fixes, supporting additional PLC types.
Safety Extension
17. Juni 2025
Aktuellste Version: 4.4.0.0
Bug fix version for a more robust online communication with CODESYS Safety Extension.
PROFINET
10. Juni 2025
Aktuellste Version: 4.7.0.0
This version contains bug fixes.
Control SL Deploy Tool
05. Juni 2025
Aktuellste Version: 4.16.0.0
Fixed a bug where the creation of a new vPLC instance leads to a crash when the Virtual Safety package is not installed.
Control SL Extension Package
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
LicenseServer for Linux SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
TargetVisu for Linux SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Virtual Safe Control SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Virtual Control SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Edge Gateway for Linux
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for WAGO Touch Panels 600 SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for Raspberry Pi SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for PLCnext SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for PFC100 SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for Linux SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for Linux ARM SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for IOT2000 SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for BeagleBone SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
CodeMeter for Linux SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Installer
27. Mai 2025
Aktuellste Version: 2.4.1
OPC DA Server SL
27. Mai 2025
Aktuellste Version: 3.5.21.10
This version contains mainly bug fixes and some improvements in various product areas.
Control RTE SL
27. Mai 2025
Aktuellste Version: 3.5.21.10
This version contains mainly bug fixes and some improvements in various product areas.
HMI SL
27. Mai 2025
Aktuellste Version: 3.5.21.10
This version contains mainly bug fixes and some improvements in various product areas.
Control Win SL
27. Mai 2025
Aktuellste Version: 3.5.21.10
This version contains mainly bug fixes and some improvements in various product areas.
Development System V3
27. Mai 2025
Aktuellste Version: 3.5.21.10
This version contains mainly bug fixes and some improvements in various product areas.
Ladder
23. Mai 2025
Aktuellste Version: 1.2.0.0
Adjustment of the execution order within a network.
In this version, the execution order within a network is the same as in LD FBD.
Simulation Interface
22. Mai 2025
Aktuellste Version: 0.9.0.0
Preview version of the Simulation Interface for evaluation and integration in simulation tools (please contact sales): The Simulation Interface integrates CODESYS applications into machine simulations (Software-in-the-loop) by a toggle switch using OPC UA mechanisms.
Recipes
14. Mai 2025
Aktuellste Version: 4.6.0.0
The code generation for a recipe definition has been further optimized for array of struct.
A few important bug fixes have been made.
IIoT Libraries SL
13. Mai 2025
Aktuellste 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
Communication
13. Mai 2025
Aktuellste Version: 4.6.0.0
Support for OPC UA Embedded Device Profile and conformant OPC UA Alarms
Visualization Support
07. Mai 2025
Aktuellste Version: 4.6.0.0
A few important bug fixes and smaller improvements have been made.
Visualization
07. Mai 2025
Aktuellste Version: 4.8.0.0
Besides some bug fixes and improvements this version contains the following new functionality:
- Alarmmanagement: Possibility to raise alarms programmatically
- Use real time clock of IEC context
- Automatic login for WebVisu using Chrome "Sign in automatically"
PROFIBUS
05. Mai 2025
Aktuellste Version: 4.2.0.0
This version contains bug fixes.
Redundancy
24. April 2025
Aktuellste Version: 4.2.0.0
Update with improvements and bug fixes!
SoftMotion
11. April 2025
Aktuellste Version: 4.18.0.0
SoftMotion 4.18.0.0 is a service pack with several new features and improvements:
- Support for high precision digital cam switches with new function block SMCDigitalCamSwitchHighPrecision
- Additional Cam segment types modified sine and inclined sine
- Improved logging of errors and warnings for Robotics
- Improved SMC3_PersistPosition
- Numerous small improvements and bug fixes
- Automatic Reinit of drives
- Improved support for SoE (Servodrive over EtherCAT)
- New driver for Bosch Rexroth CtrlXDrive SoE
Automation Server Connector
10. April 2025
Aktuellste Version: 1.36.0.0
Control for PFC200 SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Control for emPC-A/iMX6 SL
05. Juni 2025
Aktuellste Version: 4.16.0.0
Update to runtime SDK V3.5 SP21 Patch 1
Base Libraries
02. April 2025
Aktuellste Version: 4.1.0.0
This version can be used without references of to-be-discontinued CAA libaries, and contains optimizations of "Element Collections".
Edge Gateway for Windows
18. März 2025
Aktuellste Version: 3.5.21.0
Service packs for CODESYS V3 are released at annual intervals and include numerous improvements and bug fixes.
Control RTE SL (for Beckhoff CX)
18. März 2025
Aktuellste Version: Version 3.5.21.0
Service packs for CODESYS V3 are released at annual intervals and include numerous improvements and bug fixes.
LD FBD
29. Januar 2025
Aktuellste Version: 4.6.0.0
This version contains bug fixes and minor improvements.
CANopen Manager SL
27. Januar 2025
Aktuellste Version: 4.3.0.0
This version was triggered by a major bug (CANOPEN-254) and will include some other bug fixes and improvements.
CANopen Device SL
27. Januar 2025
Aktuellste Version: 4.3.0.0
This version was triggered by a major bug (CANOPEN-254) and will include some other bug fixes and improvements.
EtherCAT
16. Januar 2025
Aktuellste Version: 4.9.0.0
Maintenance version with bug fixes and minor improvements.
Support of EtherCAT IO-Link Gateways Festo CPX-AP-I-4IOL and CPX-AP-A-4IOL
Git
15. Januar 2025
Aktuellste Version: 1.7.0.0
Maintenance release containing bug fixes and usability improvements.
OPC UA PubSub SL
19. Dezember 2024
Aktuellste Version: 1.2.0.0
This version changes the encoding of array data types conforming to the specification and compatible with other OPC UA tools.
Library Documentation Support
25. November 2024
Aktuellste Version: 4.6.0.0
This version contains bug fixes and minor improvements.
EtherNet/IP
15. November 2024
Aktuellste Version: 4.7.1.0
This version brings the localization that was missing in V4.7.0.0
Application Composer
14. November 2024
Aktuellste Version: 4.3.2.0
UML
23. Juli 2024
Aktuellste Version: 4.4.0.0
Last maintenance release before start of the service phase.
Trace
07. Mai 2024
Aktuellste Version: 4.2.0.0
The CODESYS Trace supports automation of workflows using the scripting api of CODESYS. A new scripting driver for the trace is available allowing to create traces, configure them by adding variables and to control recording of the trace when online.
Test Manager
05. Oktober 2023
Aktuellste Version: 5.1.0.0
Created the possibility for device manufacturers which use their own licensing mechanisms for the engineering environment to integrate the CODESYS Professional Developer Edition into their systems.
SVN
09. Oktober 2024
Aktuellste Version: 4.6.2.0
Maintenance release
String Libraries
23. Juni 2023
Aktuellste Version: 4.0.0.0
New libraries for time efficient handling of UTF-8 strings and very long strings. Useful for processing web contents and text files.
SFC
19. Dezember 2023
Aktuellste Version: 4.3.0.0
This version contains bug fixes and improvements.
Scripting
26. Juli 2023
Aktuellste Version: 4.1.0.0
This is a maintenance release fixing a number of issues with scripting. The included IronPython version is updated to 2.7.12.
Safety for EtherCAT Safety Module SL
29. August 2024
Aktuellste Version: 4.4.0.0
This version contains bug fixes and minor improvements.
POU Visu Generator
25. Juni 2024
Aktuellste Version: 1.0.0.0
The POU Visu Generator can generate visualizations from SFC and Ladder POUs. If a transition of a SFC POU is implemented as Ladder, a navigation into the Ladder transition and back to the SFC POU is generated. A great possibility to view SFC and Ladder diagrams within the visualization.
Package Designer
19. Juni 2024
Aktuellste Version: 4.2.0.0
This version contains several bug fixes and minor improvements.
Mass Licenser
08. August 2024
Aktuellste Version: 1.1.0.0
Support of Application Based Bundle-Licenses
Memory Tools
25. April 2024
Aktuellste Version: 4.1.0.0
The usage of the memory tools is supported for core dumps.
EtherNet Adapter
28. März 2023
Aktuellste Version: 4.2.0.0
This version adds language support for Turkish and Portuguese and contains a bugfix.
EDS Import
09. April 2024
Aktuellste Version: 4.2.0.0
This version contains bug fixes and improvements.
DNP3 SL
06. November 2023
Aktuellste 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.
Core Dump
29. April 2024
Aktuellste Version: 4.2.0.0
This version contains bug fixes and minor improvements.
Library Dependency Inspection
26. September 2024
Aktuellste Version: 1.1.0.0
This release fixes the problem that projects may get modified on opening, when they use libraries from Inspection-supporting library addons (currently CODESYS Base Libraries, CODESYS String Libraries).
CFC
08. Juli 2024
Aktuellste Version: 4.4.0.0
This version contains bug fixes and minor improvements.
Code Generator TriCore
24. Februar 2023
Aktuellste Version: 4.0.1.0
This is a maintenance release fixing known issues for the usage of packed data structures. Furthermore, the usage of the FPU can be disabled explicitly for devices.
Code Generator LoongArch64
27. März 2024
Aktuellste Version: 1.0.1.0
Comparisons with REAL values returned incorrect results in certain cases. An update is recommended for all customers to avoid unexpected behaviors of applications.
Code Generator Cortex M3
23. Mai 2023
Aktuellste Version: 4.0.1.0
Improved support for Clang / LLVM EABI.
Code Generator ARM64
23. Mai 2023
Aktuellste Version: 4.0.1.0
Improved support for Clang / LLVM EABI
Code Generator ARM
24. Mai 2023
Aktuellste Version: 4.0.3.0
Improved support for Clang / LLVM EABI.
Modbus
23. Mai 2024
Aktuellste Version: 4.4.0.0
This version contains bug fixes and improvements.
IO-Link SL
23. April 2024
Aktuellste Version: 4.3.0.0
By serving as a gateway, this version enables proprietary add-ons to connect to IO-Link devices.
RISC Front End
30. Januar 2024
Aktuellste Version: 4.0.2.0
Fixed issues in certain cases when using pack_mode attribute on ARM based devices.
BACnet SL
06. Dezember 2023
Aktuellste Version: 2.0.0.0
Support new functionality standardized in BACnet standard ASHRAE 135-2020 and protocol revision 25.
Profiler
09. Oktober 2023
Aktuellste Version: 2.2.0.0
Application Composer Single License
05. Oktober 2023
Aktuellste Version: 4.3.1.0
Update of "CODESYS Application Composer Single License" only, no functional changes. This update is necessary for running "CODESYS Application Composer" (any version) in SL-mode on any new CODESYS versions starting with V3.5 SP19 Patch 3. It cannot be used with older CODESYS versions. For using "CODESYS Application Composer" with older CODESYS versions, use the old "CODESYS Application Composer Single License".