Each version of this integration matches a specific build of Unreal Engine 4. Here is what has changed between the 2016.2.5.6121.471 and the 2016.2.5.6121.484 release of the integration (in addition to upgrading to the new Unreal build).

Unreal Engine 4.15/4.16/4.17 - Wwise 2016.2.5.6121.484

• Removed support for UE 4.12, 4.13 and 4.14
• Added support for UE 4.17
• Since Unreal 4.17, the Unreal audio system needs to be disabled on the Xbox One and Switch platforms. Please refer to Frequently Asked Questions for more information.
• WG-34388 Fixed: Crash in Editor when resetting RTPC sequence name to default in Level Sequencer.