Things to add:
-Ice-type Stealth Rocks which all Fire types are immune to and get rid of on send-out
-Balance change: Poison and Dark now weak to Fire, Fire now resists Poison and Dragon
-Reintroduction of megas
-Charizard base stat buff - 85 HP, 95 Attack, 80 Defense, 115 Special Attack, 90 Sp. Def, 110 Speed
-Weather abilities now last twice as long
-Ice, Water, Dark, and Ghost moves now halved in power in harsh sunlight
-Flying no longer weak to Rock