While Nintendo has not confirmed this update, leaked documents claim the patch includes the following "World Enjafrdeesitko" exclusives:

Released in , this 320-block patch focused on technical polish rather than new gameplay content:

The 1.3 patch is not optional for players who wish to engage with the Pokémon community. It is a strict requirement for accessing the following :

It’s almost certainly a hoax, mod, or miscommunication. Play official Pokémon X on your 3DS as-is — it’s still a great game.

The update allegedly introduces "Mirror Forms" of the Kalos starters (Chespin, Fennekin, and Froakie). In this world, their types are inverted (e.g., Water-type Chespin, Fire-type Froakie).