Additional areas in the second stratum + fully functioning blue elevators, plus an early look at the third and fourth stratum.
A short new main story scene.
Desire level 0 escape sequence 'I. The Magician'. You can access it by entering a suspicious door in the fourth stratum.
Fully playable bunny outfit, unlocked by clearing 'I. The Magician'. (Note: the unlock condition will change in the future.)
An improved map screen that now shows an overview of your progress.