StarCraft II version history

StarCraft II version history covers the history of StarCraft II patches.

As of December 2010, Blizzard Entertainment has been testing upcoming patches on the public test realm before applying them. Blizzard switched to a local map testing system in May 2012. The official list has been recorded here.

Heart of the Swarm Balance Update - November 11, 2013
Protoss Oracle Terran Armory Siege Tank Widow Mine Zerg Roach Warren
 * Movement speed increased from 3.375 to 4.
 * Acceleration increased from 2 to 3.
 * Units that burrow or cloak while under the effects of Revelation will once again be revealed after unburrowing or uncloaking.
 * Vehicle and Ship Weapon upgrades have been combined.
 * Siege Mode attack period decreased from 3.0 to 2.8.
 * Sentinel Missiles now deal reduced damage to units caught within its splash radius based on their distance from the target:
 * 40 damage within 1.25 radius.
 * 20 damage from 1.25 to 1.5.
 * 10 damage from 1.5 to 1.75.
 * The Tunneling Claws upgrade now increases burrowed Roach movement speed from 1.41 to 2.

Heart of the Swarm Balance Update - August 28, 2013
Zerg Overseer
 * The Pneumatized Carapace upgrade now increases Overseer movement speed from 1.88 to 3.375 (previously 1.88 to 2.75.)

Balance Update 7.11.13
Terran
 * Hellbat
 * Attack damage decreased from 18 + 12 vs. light to 18.
 * The Infernal Pre-Igniter upgrade now increases attack damage to 18 + 12 vs. light.
 * Banshee
 * Cloaking research cost decreased from 200/200 to 100/100.

Patch 2.0.9
June 20 Patch 2.0.9.26147

Balance
 * Protoss
 * Warp Prism
 * Movement speed increased from 2.5 to 2.953.
 * Acceleration increased from 2.125 to 2.625.

Balance Update 5.13.13
Zerg
 * Spore Crawler damage increased from 15 + 15 vs. biological to 15 + 30 vs. biological

Patch 2.0.6
StarCraft II: Heart of the Swarm - Patch 2.0.6 March 18 Version 2.0.6.25180

BUG FIXES
 * General
 * Fixed a crash that could occasionally occur while playing the Heart of the Swarm campaign.

Patch 1.5
The upcoming patch 1.5 was expected to be the largest content patch ever for StarCraft II, and will prepare the way for StarCraft II: Heart of the Swarm. It includes the Arcade feature, improved custom game visibility, art tools and changes to the social interface.

The patch underwent an open beta test.