The good news is that users of the branded version of Capture One are not being left out in the cold. Perpetual license users on the latest version of Capture One for Sony / Nikon / Fujifilm (version 22) will receive a free upgrade to Capture One Pro on April 5, 2022.
https://www.dpreview.com/news/43614...-versions-for-fujifilm-nikon-and-sony-cameras
https://www.dpreview.com/news/43614...-versions-for-fujifilm-nikon-and-sony-cameras