"Pokemon Go" latest update was just released last December 13, 2016.
‘Pokemon GO’ Version 2 Latest News & Update: New Set of Pokemon Revealed; ‘Pokemon GO’ Plus Device in Shortage
There is a possibility that new Pokemon will be added to “Pokemon GO” around Dec. 7.
by Ritwik Roy
'Pokemon Go' Latest News & Update: Legendary Pokemon Ho-Oh, Other Generation-2 Pokemon To Be Added To Pokedex; Game Cheats, Tips & Tricks
Although Niantic hasn't yet announced an official launch date for these new Pokemon, they could debut soon as they already exist in the current "Pokemon Go" codes and on the official Niantic sites.
by Kaye Reese