MacStories states their device shipped with iPadOS 14.5 so it might be next week before we see the final release.
In recent years, the narrative surrounding the iPad platform, and particularly its more advanced Pro line, has largely focused on the great divide between the iPad’s hardware and software. It’s a story we’ve had to grapple with for a while now: it was clear with the original iPad Pro in 2015...
www.macstories.net
Runs iPadOS 14.5 out of the box. iPadOS 14.5 comes preinstalled with this iPad Pro and has Center Stage, which is exclusive to this device. Interestingly, I had initially upgraded my review unit to iPadOS 14.6 beta 3 so I could restore my iPad Pro backup, but Center Stage wasn’t working in that beta release, so I downgraded to iPadOS 14.5.1 by downloading the firmware from Apple’s servers, and everything was fine again.