Hi, and good luck with your platformer! Couple of tips:
– Freeze Z Rotation. Your character starts spinning e.g. when you fall or bump into the thin wall. It even makes you unable to jump if you try to balance on the top of it.
– You can dash even in mid-air. Is that intended?
– I like that the jump has different heights depending on how long you press space
– Hold left immediately after reset. The camera fails to catch up (or move "smoothly") which results in some jittering
– You can slow down your fall if you "clutch onto" the wall. Perhaps this is intended. If it's not, add a zero friction Physics2D material to the collider.
Other than than, there's not much to talk about so far, but good luck with the final product nevertheless.