From December 25^th to January 3^rd:
- PokeStops will give out a single-use Incubator every day, once a day.
- You will now find new eggs that have a greater chance of hatching the Gen 2 Pokémon that Niantic introduced into the game earlier this month, Togepi, Pichu, etc.
- Santa Hat Pikachu will stay around longer than the 29^th, when he was supposed to disappear initially. He will also appear more often.
December 30^th to January 8^th
- The original starters, Squirtle, Bulbasaur and Charmadner, and their evolutions will appear more frequently throughout the world.