I can suggest the following steps that you can take to verify support for this device in Studio One:
Official documentation from Presonus and SSL:
Check the official resources and documentation from Presonus and SSL. They may have provided updates or guides to help you with the integration of the SSL UF1 into Studio One.
Forums and Communities:
Visit the Presonus and SSL forums, as well as other music forums. Other users may have already discussed integrating SSL UF1 with Studio One and may be able to provide helpful tips and tricks.
Update Studio One:
Make sure you have the latest version of Studio One installed. Often developers make improvements and add support for new hardware in new versions of the software.
Problems and support requests:
If you can't find information in the documentation or forums, contact Presonus support with a query about SSL UF1 support in Studio One. They may be able to provide more accurate and up-to-date information.
Overall, Studio One is highly flexible and integrates with a variety of hardware. If you like many of Studio One's features and are open to change, a migration may be worthwhile. However, it is recommended that you carefully check the support for your hardware and get used to the programme's new interface before switching.