- Added Bristleback!

GAMEPLAY
- Broodmother: Fixed Insatiable Hunger cooldown on level 1 and 3.
- Dragon Knight: Fixed Dragon Blood armor bonus not carrying over to Illusions.
- Dragon Knight: Fixed Elder Dragon Form frost slow getting dispelled when target initially becomes Magic Immune.
- Doom: Fixed Doom damage being blocked by Pipe.
- Enchantress: Fixed Nature's Attendants lasting 1 second less than intended.
- Huskar: Fixed Life Break leap moving too fast.
- Magnus: Fixed Shockwave hitting units behind you.
- Mirana: Fixed Mirana's Leap range being slightly too short.
- Nyx Assassin: Fixed Impale traveling too far.
- Phantom Lancer: Fixed being able to have 1 juxtapose illusion too many
- Razor: Fixed Static Link break range being 25 too short.
- Shadow Shaman: Fixed Shackles doing a little less damage than intended.
- Slark: Fixed Pounce not initiating an attack order on the leashed target.
- Spectre: Fixed a case where leaving and rejoining the Spectral Dagger path could cause Spectre to temporarily lose no-collision.
- Templar Assassin: Fixed Meld buff getting dispelled.
- Visage: Fixed Familiars not getting affected by Chronosphere.
- Weaver: Fixed being The Swarm units being unable to Latch onto sleeping units.
- Weaver: Fixed The Swarm getting permanently dispelled if the enemy is invulnerable .
- Weaver: Fixed the Swarm units not doing their initial attack immediately upon latching.
- Added Psuedo Random chance for Roshan's Bash.
- Fixed Eye of Skadi frost slow getting dispelled when target initially becomes Magic Immune.
- Fixed Diffusal Blade proccing multiple damage instances.
- Fixed heroes flickering on the minimap when walking by Sentry Wards while under Smoke of Deceit.
- Fixed Shiva's Guard negative attack speed aura not working on Magic Immune units

UI
- Pausing in a practice or tournament game now prevents the team that paused from querying units, moving the camera or accessing the shop.
- Added ability and item notes, detailed tooltips that will display only if ALT is pressed.
- Adjusted Replay Highlight scene leadin time a bit.
- Arcane Boots now has 'mana' as a shop alias.
- Wisp name change to Io.
- Added 10 second rewind button to replay controls.
- Spectator Items panel now takes up less space and shows items ordered by value.
- Steam friends can be added, removed, and friendship requests confirmed/ignored from within Dota 2.
- Added "Select unit under mouse" keybind for Spectators
- Fixed drag-selection being broken sometimes.

VISUALS
- New Vengeful Spirit model
- Added in-game models for when the following items are dropped from inventory into the world: Gem of True Sight, Observer Wards, and Sentry Wards

BOTS
- Added Bounty Hunter bot.
- Significantly revised how Roam mode works internally.

AUDIO
- Revised Beastmaster's voice.

DOTA 2 STORE
- Added the Treasure Key of the Cursed Wood and the Treasure Key of the Shaper Divine.
- Several old keys have returned to the store along with a very low drop rate for some older community chests.
- The current set of community crates will no longer expire, but their drop rate will be decreased over time and their rarity increased over time.
- Added new sets for Brewmaster, Lich, Riki, Juggernaut, Beastmaster, and Spectre.
- Added a couple new couriers!