Any earlier version of the driver is affected by this issue.
You will need to update to driver version or later to remove this safeguard hold. Microsoft has identified compatibility issues with some driver versions for Bluetooth radios made by Realtek. Windows 10, version 1909 and Windows 10, version 1903: If you are trying to update to the Windows 10 November 2019 Update (Windows 10, version 1909), the Windows Feature Update (Windows 10, version 1903), or the Windows 10 October 2018 Update (Windows 10, version 1809), you may encounter an update compatibility hold and receive the message, 'Realtek Bluetooth: Your PC has a driver or service that isn't ready for this version of windows 10.