Each version of this integration matches a specific build of Unreal Engine 4. Here is what has changed in the 2017.2.0.6500.836 release of the integration (in addition to upgrading to the new Unreal build).

Migration Notes 2017.2.0.6500.836

Unreal Engine 4.17/4.18 - Wwise 2017.2.0.6500.836

• Improved listener handling while in the Editor. See Editor Listener for more information.
• Added a new WAAPI-enabled Wwise picker. See The WAAPI Picker for more information.
• Improved Sequencer integration with scrubbing and 'play from anywhere' support. See Level Sequencer for more information.
• Added WAAPI-enabled waveform rendering to AkAudioEventSection Sequencer sections. See Level Sequencer for more information.
• Exposed WAAPI to Blueprint. See WAAPI Blueprint Functions for more information.
• Added WAAPI-enabled widgets for use in UMG. See WAAPI Widgets for more information.
• WG-30009 Fixed: Added support for multiple listeners via Blueprint.
• WG-30010 Fixed: SetMultiplePositions is now exposed in Blueprint.
• WG-33932 Fixed: Removed the experimental alternate occlusion feature.
• WG-34745 Fixed: Reduced Lower Engine memory pool size on mobile platforms.
• WG-34879 Fixed: Exposed the collision channel used for the occlusion line trace in AkComponent's properties.
• WG-35104 Fixed: Fixed listeners to be properly handled in a multiplayer scenario.
• WG-35307 Fixed: Added more configurations to the Set Bus Config Blueprint node.
• WG-35614 Fixed: Removed coordinates conversion. See Migrating to the UE4.17/4.18 Wwise 2017.2.0 integration for more information.