Changes are coming to the Proleague map pool and Ohana being removed is not the only one and CalDeum, Arkanoid and Planet S also receive various tweaks.
Akilon Flats will take the empty place left by Ohana and it will come with the standard for competitive play neutral supply depot at the natural ramp. Additionally, the following maps have also been altered:
Caldeum 3
Neutral Assimilator HP has been changed from 250/250 to 450/450
The rocks behind the natural has armor of 1, instead of 0
The map has a new name, and all previous records on this map will be erased.
Neo Arkanoid
Changed the structure around the Main -> Expansion area so its easier for Protoss users to protect their Colossus from Vikings
Neo Planet S
Changed the gas locations so that Zerg players can check the number of gases being mined with the overlord.
Akilon Flats
Links
TL.net - Source