Pixeltool on macOS keeps asking for permissions and only shows desktop background

On macOS Ventura and Sonoma, I'm not able to get the pixeltool that ships with Qt to work.

Everytime I start the tool, the dialog that pixeltool needs permissions to capture the screen pops up, even though the permissions have already been granted. I have tried resetting the permissions, and also tried a fresh install of macOS. The result is always the same: even though the pixeltool has been granted the permission to record the screen, and has been restarted, it can only capture itself and the desktop background. This is on a Macbook Pro M1 Max.