After the last update Version 97.0.2, first offered to Release channel users on March 5, 2022 the information in the photos is not displayed ( Exif ) with the add-on View EXIF data
If it's a third part extension (I don't know it), it probably needs an update. If there is a way indicated in its description, the place is to contact the author.
-- Firefox 99.0 (64 bits) under Linux Mint 20.3 - Mate 1.26.
