For those who bought the new iPads and are frustrated by the yellow tint of the screen, you may want to turn off True Tone in the Display & Brightness settings.
For some users, the problem continues to be present even when True Tone off.
https://x.com/iam_erica/status/1790955318350065948
Some have exchanged their iPads and the replacements do not have this issue.
Apparently, this is nothing new. How To fix iPhone Yellow Screen Tint | Macworld
I initially thought about exchanging it but now it is ok after disabling True Tone.