Blizzard deployed today the second patch to the Closed Beta with several changes to the Terran units, and a few changes for the Protoss and Zerg units.

Blizzard Quote:
StarCraft II Beta Patch 2 (version 0.4.0.14133)

TERRAN

Banshee

  • Cloak: This ability no longer requires Fusion Core to research.

Barracks

  • The build time for this building has decreased from 65 to 60.

Factory

  • The build time for this building has decreased from 65 to 60.

Reactor

  • The build time for this building has decreased from 40 to 25.

Reaper

  • The build time for this unit has increased from 30 to 40.
  • Nitro Boost: The build time for this upgrade has increased from 90 to 100.

Starport

  • The build time for this building has decreased from 55 to 50.

Tech Lab

  • The build time for this building has decreased from 30 to 25.

PROTOSS

Mothership

  • The build time for this unit has increased from 120 to 160.
  • The food cost of this unit has increased from 6 to 8.
  • The number of shots fired by this unit has decreased from 8 to 6.
  • The shield of this unit has decreased from 400 to 350.
  • The health of this unit has decreased from 400 to 350.
  • The acceleration of this unit has decreased from 1.3125 to 0.3125.
  • The deceleration of this unit has increased from 0 to 1.

Nexus

  • Chrono Boost: The duration of this ability has decreased from 30 to 20.

ZERG

Corruptor

  • The damage done by this unit has increased from 12 (+8 massive) to 12 (+10 massive).