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The game will have 2 versions (not sure about beyond that)
There will be at least 2 Legendaries (maybe more idk)
There will be at least 60 new Pokémon (maybe more idk)
The games will take place in a new region
The games will come in either Q4 2018 or Q1 2019 (undecided atm)
The games will feature the ability to catch Pokémon in 720p
There will also be trainers to fight and Stronger trainers that give you a completion item upon defeating them
Mega Stones and Z-Crystals have not been retconned out
I couldn't be bothered to write another point