Highlights & Release Notes
- Highlights and Release Notes
  - SIMATIC WinCC Open Architecture - New in Version 3.19
    - ***
    - Performance
    - Licensing
    - Web Activities
    - Archiving
    - Connectivity
      - OPC UA
        Enhanced feature range and support of companion specs
      - Southbound Drivers
        Enhanced shopfloor connectivity allows for use of WinCCOA in even more use cases.
      - Northbound Drivers
        New features allow better IT/OT integration capabilities
      - PM Add-Ons
        Integrates WinCC OA more deeply into Siemens portfolio landscape.
    - Others
    - Discontinuations & Deprecations
    - Supported Operating Systems and Platforms
      Overview
    - Supported Mobile Systems and Browsers
      Overview
- Patch Release Notes
- Notes for Upgrading a WinCC OA Project
  Important steps and information to consider when upgrading an existing WinCC OA project to the latest version.
- WinCC OA Version Incompatibilities
  A list of all incompatibilities that needed to be introduced between different versions of WinCC OA.

Northbound Drivers

New features allow better IT/OT integration capabilities

Highlights


MQTT Publisher for easier northbound communication now available. See chapter MQTT Publisher. MQTT 5.1 features (1) MES: Opcenter Execution Core V8.9 REST interface allows combined SCADA/MES offerings Standard REST interface (e.g.: For Power BI) available. For more information, see the documentation 3.19/help/en/opcenterrestapi-en.qch. NOTE you can add the help to your WinCC OA documentation via the Edit menu of the WinCC OA documentation Edit > Preferences > Documentation. Note: Business logic must be implemented in the project.

Further Notes

(1) MQTT driver license necessary.