Version Information
- Release Notes Version 3.20
  All the new features and changes in WinCC OA V3.20.
- Update 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.

Supported Mobile Systems And Browsers

Supported Operating Systems For Mobile Devices

iOS® 15 or higher
Android® 8 or higher

Supported Browsers

Current versions of Firefox®, Chrome® & MS Edge®. Please see Supported Web browsers.

All listed products are registered trademarks of the corresponding companies.