Decided to start adding replies instead of editing the post every time so everyone can see progress:
0.2.95 (the sound + levels update) includes:
Music for - Homescreen, levels, and the tutorial.
EIGHT new levels for world 1
a brand new mechanic as well as a custom track for world one + its hard difficulty
and new sfx! includes: Jumping, Dashing, Bubbles, Breaking, Falling, getting coins, and hitting the orbs.