Protoss Oracle * 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. Terran Armory * Vehicle and Ship Weapon upgrades have been combined. Siege Tank * Siege Mode attack period decreased from 3.0 to 2.8. Widow Mine Zerg Roach Warren * The Tunneling Claws upgrade now increases burrowed Roach movement speed from 1.41 to 2.