A new AI feature to PS is Super resolution. It works like this. You open a file chosinng file type as Camera Raw. You can do this with most files. The file opens in the CAMERA RAW filter. You right click and select enhance. The file is then converted in adobe cloud somewhere and the file is doubled in size. The process can be repeated several time to make huge files.This is good if you plan to print very large images.
Here's a detail.
The original was a iPhone Pro 11 shot. Quite remarkable.