The balance test map for the recently discussed changes has been released on Battle.net. The name of the map is "Bel’Shir Vestige LE (2.0.11 Balance v1.0)" and can be found on the Custom Games list of StarCraft II. The balance changes in this map are as follows:
Protoss
Oracle
Movement speed increased from 3.375 to 4.0
Acceleration increased from 2 to 3
Revelation casting radius increased from 9 to 10
Terran
Armory
Vehicle and Ship Weapon upgrades have been combined
Siege Tank
Siege Mode attack period decreased from 3.0 to 2.7
Widow Mine
Sentinel Missiles splash radius decreased from 1.75 to 1.25
Zerg
Roach Warren
The Tunneling Claws upgrade now increases burrowed Roach movement speed from 1.41 to 2.25.
For the reasoning behind these changes, check out this thread.
Source:
Battle.net - Call to Action: October 2 Balance Testing