Nikon has release a firmware update for the D500 with some minor fixes. Here is what they have to say about it on their download page:
D500 Firmware
Select your operating system.
- Windows
- Mac OS
This software update program is for the customer-owned product listed above (the “affected product”), and is provided only on acceptance of the agreement listed below. By selecting “Accept” and clicking “Download”, you are held to have accepted the terms and conditions of the agreement. Be sure you understand the terms of the agreement before beginning download.