Two days later Blizzard released the second SCII Beta patch today. Here are the changes.

Balance Changes

• 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).