Insomniac Games said on Thursday that the game will be released on November 18. You can pre-order the game on Steam and the store.
There will be a number of PC-specific enhancements in Miles Morales. There is support for aspect ratios of 21:9, 32:9 and 48:9 in the game. You can mess with different graphics quality options and turn on ray-traced reflections in the game. You can take advantage of controller specific features if you plug in a dualsense controller The recommended specifications can be found in a table.
There is a growing library of PSone games on PC. In August, Sony released an excellent port of Spider-Man, and next week, it will release the Legacy of Thieves collection. It is not verified for Steam Deck just yet, but I think it will eventually; it works great on the handheld gaming PC, which is quickly becoming the new portable Sony.