A new model number for the Sony PlayStation 5 console has been spotted in documents filed with a Peruvian government communications agency. However, it seems more likely the number will be used for a hardware revision rather than a completely new console such as a PS5 Pro or PS5 Slim model.
https://www.notebookcheck.net/New-PlayStation-5-model-number-more-likely-for-a-hardware-revision-rather-than-an-upcoming-PS5-Pro-or-PS5-Slim-variant.542561.0.html