The short answer is, no; the PS5 does not offer full backwards compatibility with PS1, PS2, and PS3 titles. These three generations are mostly incompatible with the PS5 for a variety of reasons.

At long last, The Thing Remastered's PS5 and PS4 unobtainable platinum trophy has been fixed. So, grab your flamethrower and get earning those trophies.

The PS5 supports 8K@60Hz or 4K@120Hz, so you’ll want to choose an HDMI cable that’s designed to support the latest features of the PS5, including 4K resolution at 120Hz and even 8K resolution ...