After finishing the game I must say: the art style is cute and you designed the game in a forgiving but, not non-challenging why, i.e. perfectly balanced for a game jam.
The "tiny" inconsistencies in the tile map, e.g. the small gaps between tiles, were a bit immersion breaking, but that is just a minor detail. Sometimes there were a few jumps which were unnecessarily difficult to perform from a mechanical point of view: e.g. when having to perform a "perfect" double jump were you max out the timing of the two jumps completely. Also the movement feels a bit stiff, which is still better than loosing control over the movement, which was clearly not the case. So what I want to say is: the movement is sufficiently good, but could feel better. E.g. by adding small acceleration and deceleration on pressing buttons, tiny animations indicating movement (squeezuing the player on jumping and landing + a few particles), more forgiving hit-boxes, a coyote-time when leaving platforms, buffered inputs when being in air (e.g. before landing) + making the double jump still possible while the boxcast/collider, you use for decting if the player is touching the ground, is colliding with a wall (in that case it seems like the double jump was not always possible). Note: this is not stuff I critisize you for, but stuff which you might aim for, when developing the game further post-jam.
Overall: great game, was a pleasure to play!