Quoted By:
leaker here, from spanish translation team
>Type:Null does have an unmasked form when it absorbs Solgaleo/Lunala with a new move, thus becoming Marshadow and with an ability to change types at will (think multitype like arceus and changing button like mega evolution)
>Eeveevolutions w/ alolan forms.
>If you synchronize your Pokémon GO account w/ SuMo theres an event for kanto starters Z-moves.
>Maybe next weeks a Poison/Electric pokémon will be revealed. Plumeria owns one and its Z-move too.
>Cherrim will keep its Sunshine form during any battles in Sun.
>Starters abilities will change if they evolve at day/night the new possibilities being Moxie, Iron Fist, Speed Boost
>Alola Form Mankey e Primeape becoming Electric/Dark with some kind of uniform and an electric ball.
>Ice/Ghost snowman pokemon and its evolution are related with Snorunt during breeding, its like a ditto for ice pokemon.
>No new Mega Evolutions and are only available post-game.
>Rockruff evolutions are Lucario-like Various-typing/Rock, with time related process.
>Wimpod evolution chain is Bug/Dragon and Drampa is Dragon/Flying looking like a chinese dragon.
>Ultimate Beasts are not catchable but you need to search them for various itens
>S.S. Anne appears each time with different past characters working like Pokémon World Tournment from B2W2
>Theres a psychologist like NPC that can change the Nature.
>Colress appears in the main game