Every change in Dota 2 patch 7.22, straight from Valve's official notes: 100 heroes, 16 items and 0 neutral items changed. Hero and item names link to their current stats.
▲ Increased▼ Decreased / removed◆ Reworked+ New
General changes55
Added new Scepter upgrades for all of the 24 remaining heroes without an upgrade
Updated various older Scepter upgrades
Scepter can now be consumed as a buff by purchasing a 2000 gold recipe upgrade. Scepter buffs do not grant secondary stat bonuses
Roshan now drops a consumable Scepter buff item. The third Roshan will randomly drop either a consumable Scepter item or a Refresher Shard. The fourth Roshan has both. You can select Roshan to see his inventory and find out what items will drop
Added a new visual effect under heroes that have a Scepter upgrade
Added Mars to Captains Mode
Added Io to Captains Mode
Deny XP granted to the enemy (the player being denied) increased from 35% to 40%
Death cost changed from 50 + NW/40 to NW/40
Killstreak XP bounty increased from 200->1250 to 400->1800
XP requirement to reach level 5/6 reduced from 600/620 to 580/600
XP required to reach level 19+ increased by 100 each level
Ranged creeps XP now increases by 8 per upgrade cycle (every 7.5 minutes)
Siege creeps base attack time increased from 2.7 to 3
Siege creeps now spawn two units at 35 minutes instead of 30 minutes
Siege creeps can no longer be dominated, enchanted or converted
Tier 3+ towers damage increased from 152 damage to 175
Tier 1 Tower Protection aura armor bonus increased from 2 to 3
Tier 2+ Tower Protection aura armor bonus increased from 4 to 5
Tier 2+ Towers now have a multishot attack when glyph is activated. Attacks up to two additional targets. Prioritizes the closest units.
Slightly adjusted Radiant safelane hard camp position and the terrain nearby
Reduced the chase duration of the hard camp neutrals on the radiant safelane area
Radiant middle tier 2 tower is now moved further to the left (no longer has vision over the big camp on the right)
Adjusted tree line to the right of the radiant middle tier 2 tower
The Radiant mid lane medium camp now has 2 layers of trees behind it
Adjusted various Dire neutral spawn boxes
Illusions can now lifesteal
Lifesteal now works against enemy illusions (calculated pre illusion amplifications)
The following items are no longer partially shareable: Ring of Regen, Ring of Tarrasque, Sage's Mask, Ring of Health, Void Stone, and Perseverance
Roshan: Base armor increased by 2
Roshan: Attack damage per minute increased from 4 to 6
Roshan: Last hit gold bounty range changed from 150-400 to 225-325 (average unchanged)
Roshan: Last hit XP bounty reduced from 750 to 400
Satyr Tormenter's Unholy Aura hp regen reduced from 5.5 to 5.0
The timer that credits a player for a kill, when radiant/dire get the final hit, is increased from 20 to 30 seconds
Heroes can now have non-standard initial attack speed values (previously 100 for all heroes)
Abaddon: Base attack speed increased from 100 to 115
Broodmother: Base attack speed increased from 100 to 125
Crystal Maiden: Base attack speed increased from 100 to 115
Gyrocopter: Base attack speed increased from 100 to 125
Mirana: Base attack speed increased from 100 to 115
Silencer: Base attack speed increased from 100 to 115
Slark: Base attack speed increased from 100 to 120
Venomancer: Base attack speed increased from 100 to 115
Weaver: Base attack speed increased from 100 to 120
Heroes can now have non-standard base mana regen values
Reworked Scepter upgrade. While Borrowed Time is active, anytime an ally takes more than 525 damage while within 1600 range of Abaddon, an individual Mist Coil will automatically fire towards that ally. (Scepter still increases duration by 1)
Mist Coil
Cast range reduced from 800 to 500
Talents
Level 15 Talent reduced from +75 Mist Coil Heal/Damage to +60
Added Scepter upgrade. With Scepter equipped or synthesized, you gain a bonus +30 Damage and +6% Spell Amp for each Scepter that you gave allies at any point in the game.
Added Scepter upgrade. Mana Void kills now add +70 seconds to the highest cooldown ability on the enemy hero. Cooldown starts once the enemy respawns. Increases the stun duration by 1 second, if the target dies during this period it is still counted as a Mana Void kill.
Fixed Tempest Double being unable to activate runes
Added Scepter upgrade. Grants a new ability, Rune Forge. Creates a random Rune in front of you. Cooldown 60. The selection of Runes include Bounty Runes and Powerup Runes.
Talents
Level 10 Talent increased from +30 Attack Speed to +35
Level 20 Talent increased from -1.5 Spark Wraith Cooldown to -2
Provides +10/15/20/25 bonus movement speed to converted creeps
Divine Favor
Is now a passive aura. Provides 1/2/3/4 HP regen, 8/12/16/20% Heal Amplification, and 4/8/12/16 bonus damage for heroes (your creeps get 2x damage values)
Talents
Level 15 Talent changed from -7 Divine Favor Cooldown to +10 Divine Favor Damage
Added Scepter upgrade. Creates two skeletons near Clinkz when exiting Skeleton Walk. Increases Skeleton Walk speed by +30% and unlocks max movement speed.
Burning Army
Base attack time changed from 1.75/1.6/1.45 to 1.6
Units damage from 100% of your base damage to 80/100/120%
Talents
Level 15 Talent reduced from +30 Searing Arrows Damage to +20
Added Scepter upgrade. Anytime an enemy is affected by your spells (crypt swarm impact, silence debuff, spirit siphon target) or when you attack an enemy, a ghost will fly out and hit the enemy for double the usual damage then return to you with life. These ghosts apply a 100% slow for 0.3 seconds.
Added Scepter upgrade. Adds a 4th level to Elder Dragon Form, a Black Dragon. Gaining Scepter increases the level of your ultimate by one. Black Dragon has 50% more Corrosive Damage, Splash Damage and Slow amount. It also increases your attack range to 600 and grants you +30% Magic Resistance.
Added Scepter upgrade. Fire Remnant cast range is 3 times longer and initial remnant movement speed is 2 times faster. Maximum number of charges increased from 3 to 5. Activate Fire Remnant costs no mana.
Added Scepter upgrade. Grants you a new ability, Dark Portrait. Creates an ink illusion of a target enemy hero. Illusion lasts 20 seconds and is magic immune with +30% movement speed. Takes 200% incoming damage and deals 150% outgoing damage. Cooldown 35. Manacost 200.
Scepter now also causes Illuminate to not require channeling (still provides heal bonus)
Chakra Magic
Can now be cast on enemies, placing a debuff that drains 4/4.5/5/5.5% of current mana per 100 units moved. Lasts 5 seconds (old version was a percent of max mana, not current).
Added Scepter upgrade. Causes one of the three creep waves to include two wolves. You cannot control the wolves, but they are considered your units. These wolves have the same movement speed as lane creeps.
Talents
Level 15 Talent increased from +8 Feral HP Regen to +10
Added Scepter upgrade. Spawns a monkey soldier near you every 3.5 seconds. These soldiers last 12 seconds. Soldiers do not spawn if you are invisible or on trees. These soldiers can attack any target (however, they will not attack buildings if you are not within 500 range of them).
Added Scepter upgrade. Void is now applied in a 900 AoE around you. Increases the Void ministun duration from 0.1 to 0.6 and reduces cooldown by 2 seconds.
Equilibrium now passively provides 11/18/25/32%% Mana Steal (all damage not just spells). When Activated, triples the Mana Steal and slows enemies hit by your spells.
Added Scepter upgrade. Blur now has instant cast time and applies a dispel. Anytime you get a hero kill, your abilities are refreshed. Reduces Blur cooldown to 12 seconds.
Added Scepter upgrade. Slithereen Crush now creates a puddle of water that is considered a river for bonuses. Provides +25 HP regen, +12 Armor and +40% Status Resistance while in a Puddle or River (in addition to the normal Guardian Sprint River bonuses). Puddle AoE is 550. Puddles last for 25 seconds.
Guardian Sprint
Now passively provides an extra 5/20/35/50% movement boost in the river with unlocked max speed, rather than a fixed 700 at level 4 when activated.
Talents
Level 25 Talent changed from +1.25s Slithereen Crush Stun to -4.5 Slithereen Crush Cooldown
Added Scepter upgrade. Grants you a new ability, Psionic Projection. Allows you to teleport to any Psionic Trap after a 2 second channel. Does not break Meld. Cooldown 30. Manacost 100. Detonates the psionic trap on arrival.
Added Scepter upgrade. After casting Metamorphosis, a wave travels outwards in all direction causing enemy heroes to become feared for 3 seconds upon impact. Wave starts traveling after 0.6 seconds and has a travel speed of 1000. Spell Immune units do not get hit by the wave. Has a global sound effect.
Added Scepter upgrade. Grants you a new channeling ability, Tree Volley. Every 0.4 seconds a random tree within 525 range of your hero will be thrown towards the targeted AoE. Deals 120% of your damage to enemies in that area. Target AoE 400. Cast Range 1300. Max Channel 2.4 seconds. Cooldown 12. Manacost 150.
Has been reworked. It is now a self cast ability with a 0.6 second cast time. No longer has a fade delay nor gets interrupted on damage taken. Goes on cooldown after the invisibility buff ends. Cooldown 10/8/6/4. Manacost 30/40/50/60.
Movement speed bonus rescaled from 14/18/22/26% to 20/22/24/26%
Damage rescaled from 30/90/150/210 to 60/110/160/210
Added Scepter upgrade. Reduces Battle Trance cooldown to 35 seconds and allows it to be cast on allied or enemy heroes. Lasts half duration on enemies. Cast Range 525.