此 Integration 的各个版本分别与特定的 Unreal Engine 4 版本对应。Here is what has changed between the 2017.2.8.6698.1053 and the 2017.2.9.6726.1089 release of the integration (in addition to upgrading to the new Unreal build).

Unreal Engine 4.17/4.18/4.19/4.20/4.21 - Wwise 2017.2.9.6726.1089

• Added support for Unreal 4.21.
• WG-38420 Fixed: Crash when Sequencer AkAudioEvent section is garbage collected while playing.
• WG-39408 Wwise Installation Path can now be configured per user. Use Wwise User Settings in the Project Settings to edit the Wwise installation path.
• WG-40128 Fixed: File handle leak in the IO hook.