I just made a UI and then discovered @daniel47 had already made one here too:
Despite the pitfalls mentioned, I will include a combination of his and mine in the next version. I have not yet decided to bundle the GyroFlow app or the plugin with Shotcut. Including either would require doing our own build to get Arm64 and Flatpak support, and I am not up to that yet. For now, you will get the UI (with translation where provided), and one can install the plugin separately.