I have recently purchased a new GPU a GTX 1650. In zwift the highest graphics settings that are availble for me is 1440p Ultra. Running the log file at zwift analyzer it says 1440p High. If I tweak the config file and prefs file to Ultra and 2160p (4K) I get 35-40fps average according to zwift analyzer. But as soon I open the settings menu the resolution changes to 576p and I have to tweak the prefs file again.
Could you please add the GTX 1650 to the list of GPU:s that are enable to run 4k ULTRA settings.