All ability upgrades now have 6 tiers each. Some abilities have been redone (ex. Respawn ability works on a timed cooldown instead of being a one-time use ability).
Tier 4 Dasher enemies (the blue ones that teleport) have been made easier to deal with and should no longer damage you upon teleporting on top of you
Camera shake strength slider in the Game options tab
Bug fixes and internal enemy database storage change