The latest release of CameraRC Deluxe resolves an issue with crashes for the Z6 and Z7 camera models at Firmware Update 1 or 2. You can find more details in the Release Notes.
The latest release of CameraRC Deluxe includes support for the Nikon Z50 and also fixes some issues related to connecting to the Z6 & Z7. There were also a few minor display improvements and a bug in Movie Live View corrected. You can find more details in the Release Notes.