The CDP Studio Framework version 5.0 was released in May 2025.

Install the CDP Framework 5.0 version using "Tools -> CDP Maintenance Tool -> Start CDP Maintenance Tool" and selecting "Add or remove CDP versions". and select the CDP 5.0 toolchains you use.

If you have issues with building projects after the update, run the Clean command from CDP Studio project tree.

Highlights

 

Redundancy – major enhancement

• Simple application clone for redundancy
• Very fast single-cycle switchover
• N-application redundancy
• Configurable QoS switchover logic

Simulatorand Simulation

• Create simulation models with no-code in addition to low-code and full-code
• External simulation model import with FMI
• Sundials CVODE support

OPC UA upgrades

• Alarm and Event support (bi-directional), including alarm acknowledge
• Aes256_Sha256_RsaPss and Aes128_Sha256_RsaOaep communication security policies
• Enhanced to discover complex data structures, optional data fields, and unions, including filters

Cyber Security

• LDAP authentication method, user authentication by external LDAP service such as Microsoft Active Directory or OpenLDAP
• Multi-LDAP server support

Other highlights

• Fast large packet data transfer between applications (e.g. images, bitmaps)
• Improved and controlled system startup
• New examples and tutorials
• The Open Bridge scratchpad UI elements have been added as form widgets and are available in Design mode under the “OpenBridge” group. Ordinary drag-and-drop inserts UI loader widgets that link to the form files, while dragging with the Ctrl key pressed inserts editable copies
• Wago, support for Wago 750-652 serial IO module
• CDP Core, add support for complex modules, added components ModbusMaster_CDPTransport, ModbusSlave_CDPTransport, ModbusMasterRTU_CDPTransport and ModbusSlaveRTU_CDPTransport
• CDP Core, added CDPTransport for tunneling data through complex modules for Modbus, NMEAOnCDP for NMEA, and SeatexMRUIOServer_CDPTransport for the SeatexMRUIO
• HMI, new user dialog to the Open Bridge wizard. The dialog displays the currently logged-in user and provides a logout option, enhancing user session visibility and control. All five Open Bridge themes now include theme-specific user icons for a consistent visual experience. The ComWidget has been extended to support application-wide signal forwarding. It can now send logout() signals to the main window and receive updates about the current user. Additionally, it supports emitting all global signals, enabling better integration with other components. Finally, the theme.ui file in the Open Bridge wizard has been updated to ensure the correct theme is always displayed on startup, regardless of the initial configuration
• New – HMI Design Guide and StyleSheets (CSS) Guide
• 100s of improvements, smaller features, and fixes

Visit our web page to see release notes and changelogs for details and older versions.