Abaddon2 changes
- Base attack speed increased from 115 to 120
- Base armor increased by 1
Every change in Dota 2 patch 7.22f, straight from Valve's official notes: 47 heroes, 1 item and 0 neutral items changed. Hero and item names link to their current stats.

Abaddon2 changes
Ancient Apparition3 changes
Cold Feet

Ice Blast
Talents
Beastmaster1 change
Primal Roar
Bloodseeker1 change
Bounty Hunter1 change
Shuriken Toss
Brewmaster1 change
Centaur Warrunner1 change
Retaliate
Chaos Knight1 change
Reality Rift
Chen2 changes
Divine Favor
Clockwerk1 change
Hookshot
Crystal Maiden1 change
Dark Seer1 change
Vacuum
Dark Willow2 changes
Terrorize
Dragon Knight2 changes
Elder Dragon Form
Talents
Drow Ranger3 changesTalents
Elder Titan1 change
Echo Stomp
Ember Spirit1 change
Enigma1 change
Grimstroke1 change
Invoker2 changes
Cold Snap
Juggernaut2 changes
Keeper of the Light1 change
Will-O-Wisp
Luna1 change
Lycan2 changes
Feral Impulse

Howl
Mars2 changes
God's Rebuke
Morphling2 changes
Waveform

Morph
Nature's Prophet1 change
Necrophos2 changes
Death Pulse
Night Stalker1 change
Omniknight2 changes
Purification
Talents
Outworld Devourer2 changes
Astral Imprisonment

Sanity's Eclipse
Phantom Assassin2 changesTalents
Pudge1 change
Meat Hook
Riki2 changes
Blink Strike
Talents
Skywrath Mage1 change
Mystic Flare
Slark2 changesTalents
Spirit Breaker2 changes
Bulldoze

Nether Strike
Sven1 change
Storm Hammer
Terrorblade2 changes
Metamorphosis
Tinker3 changesTalents
Tusk1 change
Underlord2 changes
Pit of Malice
Vengeful Spirit1 change
Magic Missile
Viper1 changeTalents
Weaver1 change
Wraith King2 changes
Mortal Strike

Wraithfire Blast
Zeus1 changeSource: official Dota 2 patch notes (dota2.com).