6.86c:


* Alacrity damage/speed rescaled from 30/40/50/60/70/80/90 to 10/25/40/55/70/85/100
* Invoker base strength reduced by 2
* Time Walk cast range increased from 550 to 625
* Faceless Void strength gain increased from 1.6 to 1.8
* Time Dilation duration increased from 5.5/7/8.5/10 to 6/8/10/12
* Time Dilation cooldown increased from 34/28/22/16 to 36/30/24/18
* Call Down first missile damage decreased from 220/285/350 to 200/275/350
* Walrus Punch cooldown increased from 20/16/12 to 36/24/12
* Nightmare cooldown increased from 16/15/14/13 to 22/19/16/13
* Tricks of the Trade cooldown reduced from 70 to 40
* Tricks of the Trade AoE increased from 475 to 500
* Blink Strike cast range increased from 700 to 800
* Blink Strike cast point reduced from 0.4 to 0.3
* Arcane Orb int steal increased from 1/2/3/4 to 2/3/4/5
* Arcane Orb int steal duration increased from 40 to 50
* Shallow Grave cast point increased from 0.35 to 0.4
* Shadow Wave manacost increased from 80/90/100/110 to 90/100/110/120
* Winter's Curse attack speed bonus increased from 50 to 70
* Tombstone cooldown increased from 60 to 70
* Surge manacost increased from 20/30/40/50 to 50
* Death Prophet base intelligence increased by 3
* Spirit Siphon HP Drain increased from 1/1.8/2.6/3.4% to 1/2/3/4%
* Spirit Siphon slow rescaled from 6/10/14/18% to 5/10/15/20%
* Exorcism duration increased from 30 to 35 seconds
* Radiant Small Camp's spawn box is now smaller
* Fixed Lone Druid's HP not increasing when upgrading True Form

* Fixed Wraith King's Vampiric Aura granting charges to Magic Stick.

* Fixed a bug where Arc Warden's Clone could sometimes incorrectly combine items when created
* Fixed Infernal Blade working while silenced
* Fixed Tidebringer working while silenced
* Fixed Tidebringer being disabled by Break
* Fixed Tidebringer interaction with Towers and Wards
* Fixed Savage Roar affecting and overriding Dueling targets
* Using summoned units to kill heroes outside of XP range now behaves the same as if you used an ability to kill the hero
* Fixed Tempest Double draining XP from the area
* Fixed Arc Warden not getting enough XP from Midas kills done by the Clone

* Fixed Flux interaction when near Spell Immune allies.
* Improved AFK detection for Techies.
* Adjusted Dire Secret Shop Camp spawn box.
* Fixed Ancient Black Dragon's Fireball not having a Legacy Key.
* Break status now disables the effect of Drow Ranger's Aghanim's upgraded Marksmanship.
* Fixed BKB charges not carrying over to Tempest Double properly (was granting full duration always).
* Fixed Infernal Blade having 128 cast range rather than Doom's 150 attack range.
* Arc Warden's Clone now receives a clone of shareable items not owned by Arc Warden. These include Bottle, Gem of True Sight, Ring of Regen, Ring of Health, Void Stone and Perseverance.
* Ember Spirit's Fire Remnants now render while in Fog of War.
* Fixed Arc Warden not getting XP when Tempest Double uses Hand of Midas.
* Fixed an interaction between Necrolyte's Reaper's Scythe and Arc Warden's Clone.
* Lone Druid's Spirit Bear now respects the auto-select summoned units option when respawning.
* Fixed the neutral forest troll high priest playing his heal animation after he was dead.
* Fixed a bug where the store page was showing an empty pedestal for victory prediction charms.
* Fixed a bug where the store page incorrectly had a Demo Mode button for items that cannot be demoed.
* Fixed a bug where the Customize screen was not showing the appropriate icons for alternate styles of items.
* Fixed a bug where sometimes the opaque parts of models wouldn't render in the UI or portraits.
* Fixed a bug where the Demo button didn't appear on the loadout screens of any global items.

Added several new Russian voices:
* Bounty Hunter
* Crystal Maiden
* Dazzle
* Disruptor
* Lich
* Lina
* Lina Announcer
* Mirana
* Phantom Assassin
* Silencer
* Slark
* Spirit Breaker
* Sven
* Tusk
* Tusk Announcer
* Windranger
* Wraith King
(note that Zeus and Arc Warden were included with the Balance of Power Update).

Text and voice languages can be mixed to your preference. To select a new voice language, open steam and right-click on Dota 2. From here, select Properties, then the Language tab, and choose your preferred voice language. Steam will then download the new language.

* Older replays will now play back on the correct map.
* Fixed an interaction between Faceless Void's Time Dilation and abilities that swap index, like Kunkka's X Marks the Spot.
* Clockwork's Cogs will now always push outward from the center of the ring of cogs.
* Flying units inside Clockwork's Cogs will now be affected by cogs when flying over the cogs or units using force staff to escape the cogs.
* Adjusted the fog of war size of the casting effect for Ember Spirit's Sleight of Fist, and the ongoing effect of Slark's Dark Pact.
* Added Entities.GetForward, Entities.GetRight and Entities.GetUp to the Panorama Javascript bindings.

6.86b:

* Enabled Doom, Faceless Void, Death Prophet, Lone Druid and Winter Wyvern in Captain's Mode
* Arcane Rune mana reduction reduced from 50 to 40%
* Spirit Siphon duration increased from 4 to 5 seconds
* Arcane Orb Int steal increased from 0/1/2/3 to 1/2/3/4
* Astral Imprisonment cooldown rescaled from 20/17/14/11 to 22/18/14/10
* Cloak and Dagger backstab damage multiplier increased from 0.4/0.6/0.8/1.0 to 0.5/0.75/1.0/1.25
* Tricks of the Trade now only affects heroes
* Tricks of the Trade AoE increased from 450 to 475
* Tricks of the Trade cooldown rescaled from 90/80/70 to 70
* Time Dilation AoE increased from 650 to 725
* Time Dilation slow rescaled from 4/6/8/10 to 7/8/9/10%
* Time Dilation duration rescaled from 6/7/8/9 to 5.5/7/8.5/10 seconds
* Meat Hook Scepter damage reduced from 175/275/375/475 to 180/270/360/450

* Improved Ward placement indicator.
* Adjusted Fog of War visibility size for particle effects on Hand of Midas, Sand King's Sandstorm, Tidehunter's Ravage, Vengeful Spirit's Wave of Terror and Tusk's Ice Shards.
* Fixed a general underlying issue that could cause various types of visual effects to appear through FoW (this fixes a certain class of visual effect bugs, but there are still a few edge cases we are working on).
* Fixed an old bug where creeps would sometimes shortcut the lane if many trees were removed.
* Fixed Illusions not benefiting from Scepter upgraded Marksmanship.

* SFM: Fixed dota_685 and dota_desert maps not loading.
* SFM: Fixed the game's current map pack from overriding the requested map in SFM.
* SFM: Fixed bug where some bones weren't editable in the SFM (Axe, Omniknight, etc).

- Fixed a bug where the All Hero Challenge panel wouldn't load on certain accounts.
- Fixed a bug when alt-clicking on your health and mana when your max mana is 0.
- Fixed a bug where quickly buying back on Terrorblade during Metamorphosis would cause Metamorphosis to fail on the hero.
- Fixed a bug which caused incorrect results when loading gridnav data in some cases.
- Fixed a server crash in the Attack on Hero custom game and the Horde Mode custom game.

- Illusions now use the correct cosmetic items in cases where the controller is different than the source unit, for example with Morphling's Hybrid ability.
- Fixed a bug with selecting the courier when it is dead.
- Fixed a number of server crashes in the Attack on Hero custom game.
- Revised Popular Tournament Matches under Watch Replays to better display the most popular recent matches.

- Fixed Earthshaker's Fissure not blocking magic immune creeps.
- Added ability to transfer Team admins to another member on the Team.