9to5Mac has heard from sources that Apple has been working on a new "Apple Studio Display" with higher resolution than the Pro Display XDR.
Apple Studio Display review: An excellent monitor at a steep price: Digital Photography Review
New macOS Beta Includes Apple Studio Display Webcam Fix- The Mac Observer
Is Apple developing a genuine 7K display Apple Studio Display? Is it possible that the screen will be larger than Pro Display XDR? - News Directory 3
Apple 27 Studio Display MK0U3LL/A B&H Photo Video
Apple Studio Display review: An excellent monitor at a steep price: Digital Photography Review
Commentary: Apple, please don't overthink your next external display: “[A $3,500] product isn't what most of us are looking for.” : r/apple
Kuo: 27-inch Apple external display coming this year, new iMac Pro and Mac Pro in 2023 - 9to5Mac
Apple reportedly working on Pro Display XDR successor
Review: The Apple Studio Display
Will there be a pro Apple Studio Display this year with 120Hz and mini-LED? Analysts disagree - 9to5Mac