- Fixed Brewmaster selection after Primal Split.
- Fixed Alt+Clicking on recipes.
- Fixed Alt+Clicking on items carried by an enemy Spirit Bear.

Source: Official Dota 2

* Fixed the courier returning to base if Smoke of Deceit was pinged while carried by the courier.

* Fixed some inconsistent behavior with unit selection and spawning illusions or summoned units.

* Updated some checks for the Alt key in the UI to respect both left and right Alt, as well as dota_remap_alt_key.

* Corrected damage numbers in Juggernaut's Blade Fury tooltip.

Source: Official Dota 2

* Fixed a bug with Brewmaster's Primal Split that left Brewmaster selected rather than selecting the summoned Elements.

* Featured Tournament spoiler state is now saved.

* The front page video stream will no longer auto-play if you have spoiler protection enabled.

Source: Official Dota 2

* Fix bug causing matchmaking to balance teams poorly at extremely high MMR

* Fixed issue where players who disconnected just before hero selection would not be assessed with a failure to connect penalty, resulting in the match continuing with less than 10 players.

* Fixed an issue were the free camera speed was affected by the replay playback speed.

* Added the ability to spoiler-protect the Featured tournament tab.

Source: Official Dota 2 

- Added new Featured Tournament section to Watch for The Frankfurt Major. Includes live schedule and bracket views with easy access to live broadcasts and replays

- Fixed several memory leaks in the client and server

- Reduced rendering memory usage

- Fixed a regression in GPU performance

- Direct3D9Ex support enabled by default, which improves alt-tab behavior

- Reduced CPU usage when game is minimized

- Added alt click support for showing XP remaining until next level

- Added a sound for the Aegis expiring (audible to allies only)

- Added support for player color on Boots of Travel

- All places in the UI where ping times are displayed now display the network round trip time. Previously, different places displayed different measures of latency. For more details on this change, see this post on our dev forum: http://dev.dota2.com/showthread.php?t=184807

- Fixed a bug where spectator gems were not incrementing correctly after watching a game

- Fixed Ghost Scepter with Dazzle Weave interaction

- Fixed Io portrait popping

- Fixed a bug with spikey Zeus head

- Enable normal maps in portrait views

- Workshop Importer: Fixed issue with portrait editing the where camera framing and spotlight shadows did not exactly match the in game portrait view

- Workshop Importer: Added template for chat emoticons and team logos

- Workshop Importer: UI improvements to make complex submissions more manageable

- Workshop Importer: Portrait editing UI improvements

- Fixed an issue where Radiant fountain and building particle effects would sometimes not be present when spectating

- Fixed hitboxes for Tinkbot courier

Source: Dota 2 Official

- Fixed a crash related to Lotus Orb being used on Illusions.
- Fixed a rare crash during Alt+Tab.
- You can now change the value of cheat protected console variables while viewing a demo.

Source: Dota 2 Official

- Fixed a bug with Troll Warlord animations when cancelling Ranged Axes.
- Fixed equipping HUD skins outside of a match.
- Fixed some memory leaks.

Source: Dota 2 Official

- Fixed not being able to watch a single-match series.
- Fixed a bug that prevented the Collection tab in the Armory having the correct number of slots.
- Added previewing sets with the infuser applied to the Tribute treasures.
- Fixed some memory leaks.
- Fixed some cases where Lone Druid's Bear was not displaying the disarm state correctly.

Source: Dota 2 Official

- Spectator gems increment when spectating games.
- Fixed a crash when spectating or watching replays of tournament games.
- Elder Titan's Astral Spirit is no longer box-selectable while not summoned.
- Fixed Ember Spirit's Fire Remnant rarely creating the remnant visual effect in the wrong place.
- Fixed drag+drop of multiple selected items in the Collection tab of the armory.
- Fixed leaderboards not being updated.
- Fixed a bug where players who clicked the "leave game" button after timing out would not properly be treated as abandoning the match.
- Fixed Invoker's Heaven Piercing Pauldrons.

Source: Dota 2 Official

- 6.85b: Scepter Doom no longer increases damage
- 6.85b: Scorched Earth damage and heal reduced from 12/24/36/48 to 12/23/34/45
- 6.85b: Scorched Earth cooldown rescaled from 60/55/50/45 to 55
- 6.85b: Spiderlings Poison Sting slow reduced from 12% to 8%

Source: Dota 2 Official