Actually revealed a year and a half ago at The Game Awards for PS4, but standing out more as part of the PS5 announce line up.
You play as The Hunter: an archer with an eagle traversing an open-world. They're selling immersion with PS5's advanced 3D audio tech and DualSense touch controller. Mild Journey vibes, with obvious comparisons to Breath of the Wild. Will be interesting to see how it measures up on PS5 (and PS4).