Each version of this integration matches a specific build of Unreal Engine 4. Here is what has changed between the 2016.2.2.6022.359 and the 2016.2.2.6022.371 release of the integration (in addition to upgrading to the new Unreal build).

Unreal Engine 4.12/4.13/4.14/4.15 - Wwise 2016.2.2.6022.371

• WG-32464 Allow opening an existing project in UE4.15 on the Mac platform.