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STARCRAFT II: HotS- Balance Update
--- balance ---
Heart of the Swarm received some balance changes for the start of the new season.
Balance Change Notes, click on expand button on the right to read
Quote from Blizzard Entertainment
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
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.
Zerg
Roach Warren
The Tunneling Claws upgrade now increases burrowed Roach movement speed from 1.41 to 2.
Source