Genshin Impact, the action RPG from miHoYo, was originally released for PC and mobile in November and was ported over to PS4 back in September. It has been available on PS5 through that PS4 version and last-gen backwards compatibility, but it's now getting the full next-gen treatment with 4K resolution, enhanced in-game textures, and taking full advantage of the SSD for faster loading times. There is no firm announcement date yet, just a "coming soon..." which hopefully bodes better than when it was announced for Switch at the release of the other systems, but still hasn't actually been realized on a Switch yet...
Originally thought by some as sort of a Breath of the Wild clone, the game springboarded off those comparisons to develop an avid following due to a constant trickle of game and content updates, with the native PS5 being hopefully one of the next updates to come...