Generation VI changed 129 things: 2 type chart cells, 1 types added, 78 move stats, 3 move types, 22 species types and 23 abilities

Every row dated to Generation VI, grouped by kind. Before is the value through Generation V, after is the value from Generation VI.

Main-series rules that PokéAPI records as past values, plus the ordinary type chart by era; default forms only.

Type chart cells

2 matchups changed value

Type	Field	Before	After
Dark	against Steel	×½	×1
Ghost	against Steel	×½	×1

Types added

Fairy arrived as a new type

Type	Field	Before	After
Fairy	new type	None	Fairy

Move stats

78 move stats rows across 70 moves

Move	Field	Before	After
Acid Armor	pp	40	20
Air Cutter	power	55	60
Air Slash	pp	20	15
Assurance	power	50	60
Aura Sphere	power	90	80
Barrier	pp	30	20
Blizzard	power	120	110
Bubble	power	20	40
Chatter	power	60	65
Covet	pp	40	25
Crabhammer	power	90	100
Draco Meteor	power	140	130
Dragon Pulse	power	90	85
Energy Ball	power	80	90
Extrasensory	pp	30	20
Fire Blast	power	120	110
Fire Pledge	power	50	80
Flamethrower	power	95	90
Frost Breath	power	40	60
Fury Cutter	power	20	40
Future Sight	power	100	120
Glare	accuracy	90%	100%
Grass Pledge	power	50	80
Growth	pp	40	20
Gunk Shot	accuracy	70%	80%
Heat Wave	power	100	95
Hex	power	50	65
Hidden Power	power	1	60
Hurricane	power	120	110
Hydro Pump	power	120	110
Ice Beam	power	95	90
Incinerate	power	30	60
Knock Off	power	20	65
Leaf Storm	power	140	130
Lick	power	20	30
Low Sweep	power	60	65
Magma Storm	power	120	100
Meteor Mash	accuracy	85%	90%
Meteor Mash	power	100	90
Minimize	pp	20	10
Muddy Water	power	95	90
Overheat	power	140	130
Pin Missile	accuracy	85%	95%
Pin Missile	power	14	25
Poison Fang	effect chance	30%	50%
Poison Gas	accuracy	80%	90%
Power Gem	power	70	80
Psycho Shift	accuracy	90%	100%
Psywave	accuracy	80%	100%
Roar	accuracy	100%	None
Rock Tomb	accuracy	80%	95%
Rock Tomb	power	50	60
Rock Tomb	pp	10	15
Sacred Sword	pp	20	15
Skull Bash	power	100	130
Skull Bash	pp	15	10
Smelling Salts	power	60	70
Smog	power	20	30
Snore	power	40	50
Storm Throw	power	40	60
Struggle Bug	power	30	50
Submission	pp	25	20
Surf	power	95	90
Swords Dance	pp	30	20
Synchronoise	power	70	120
Synchronoise	pp	15	10
Tailwind	pp	30	15
Techno Blast	power	85	120
Thief	power	40	60
Thief	pp	10	25
Thunder	power	120	110
Thunderbolt	power	95	90
Vine Whip	power	35	45
Vine Whip	pp	15	25
Wake-Up Slap	power	60	70
Water Pledge	power	50	80
Whirlwind	accuracy	100%	None
Will-O-Wisp	accuracy	75%	85%

Move types

3 move types rows across 3 moves

Move	Field	Before	After
Charm	type	Normal	Fairy
Moonlight	type	Normal	Fairy
Sweet Kiss	type	Normal	Fairy

Species types

22 species types rows across 22 species

Species	Field	Before	After
Azumarill	types	Water	Water and Fairy
Azurill	types	Normal	Normal and Fairy
Clefable	types	Normal	Fairy
Clefairy	types	Normal	Fairy
Cleffa	types	Normal	Fairy
Cottonee	types	Grass	Grass and Fairy
Gardevoir	types	Psychic	Psychic and Fairy
Granbull	types	Normal	Fairy
Igglybuff	types	Normal	Normal and Fairy
Jigglypuff	types	Normal	Normal and Fairy
Kirlia	types	Psychic	Psychic and Fairy
Marill	types	Water	Water and Fairy
Mawile	types	Steel	Steel and Fairy
Mime Jr.	types	Psychic	Psychic and Fairy
Mr. Mime	types	Psychic	Psychic and Fairy
Ralts	types	Psychic	Psychic and Fairy
Snubbull	types	Normal	Fairy
Togekiss	types	Normal and Flying	Fairy and Flying
Togepi	types	Normal	Fairy
Togetic	types	Normal and Flying	Fairy and Flying
Whimsicott	types	Grass	Grass and Fairy
Wigglytuff	types	Normal	Normal and Fairy

Abilities

23 abilities rows across 23 species

7 replacements, 16 newly filled slots. Replacements first.

Species	Field	Before	After
Chandelure	hidden ability	Shadow Tag	Infiltrator
Lampent	hidden ability	Shadow Tag	Infiltrator
Litwick	hidden ability	Shadow Tag	Infiltrator
Scolipede	hidden ability	Quick Feet	Speed Boost
Venipede	hidden ability	Quick Feet	Speed Boost
Whirlipede	hidden ability	Quick Feet	Speed Boost
Zapdos	hidden ability	Lightning Rod	Static
Dusclops	hidden ability	None	Frisk
Dusknoir	hidden ability	None	Frisk
Duskull	hidden ability	None	Frisk
Feebas	ability slot 2	None	Oblivious
Ferrothorn	hidden ability	None	Anticipation
Gothita	ability slot 2	None	Competitive
Gothitelle	ability slot 2	None	Competitive
Gothorita	ability slot 2	None	Competitive
Igglybuff	ability slot 2	None	Competitive
Jigglypuff	ability slot 2	None	Competitive
Kecleon	hidden ability	None	Protean
Milotic	ability slot 2	None	Competitive
Minun	hidden ability	None	Volt Absorb
Plusle	hidden ability	None	Lightning Rod
Starly	hidden ability	None	Reckless
Wigglytuff	ability slot 2	None	Competitive