As you know, Windows Autopilot allows you to automatically manage Out Of the Box Experience (OOBE) for your end user to directly join the device to your tenant in addition of ensuring naming convention and initial mandatory applications are deployed.
As part of the Autopilot feature, you can assign a device to a specific user which then greet the end user with his name and asking for his password; you know the “Welcome Benoit Hamet”, please enter your password.
Well, the Autopilot feature is being update to remove this personal greeting.
This results to the same experience when a device is not assigned to a user.