I ask this question as instead of getting to this information quickly I had to search for it in a more complicated manner.
So, what Simulator devices are needed to make screenshots for all resolutions that are now required to publish or update an application in the App Store?
I believe this can be helpful to a lot of developers as the error message while uploading images is not very helpful.
As of Feb 2023:
(So, for the iPads, you only need one device.)
Here's how it looks like in practice.


Have fun!
I was able to upload the 2nd Gen. "old" screenshots to the newer 3rd Gen. screenshots and they go consistently through review, without any issues.
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