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Wwise Unreal Integration Documentation
Release Notes 2019.2.12.7544.1988

Each version of this integration matches a specific build of Unreal Engine 4. Here is what has changed in the 2019.2.12.7544.1988 release of the integration (in addition to upgrading to the new Unreal build).

Note:
This integration does not support experimental Unreal Engine 4 features.
Note:
This integration compiles against Unreal Engine versions 4.23 and up, but was only tested against Unreal Engine 4.26.

For earlier versions, please refer to Previous Release Notes.

API Changes

  • WG-53512 Exposed SetRTPCValueByPlayingID to AkAudioDevice.
  • WG-53543 Exposed GetRTPCValue, SetRTPCValue, SetState, and SetSwitch by Short ID to FAkAudioDevice.

Behavior Changes

  • WG-54766 Unloading media assets now stops the media from playing first, then waits for it to be unused before unloading, instead of forcibly unloading it.

Bug Fixes

  • WG-54232 Fixed: Orphaned media is not properly cleaned up when the option is selected in the Clear Sound Data.
  • WG-54493 Fixed: Clear Sound Data always marks items as dirty.
  • WG-54524 Fixed: "Ensure condition failed" error during Sound Data generation.
  • WG-54950 Fixed: Using Event-Based Packaging and Events grouped into SoundBanks, Unreal Editor crashes when generating sound data.
  • WG-54998 Fixed: GenerateSoundbanksCommandlet attempts to check-in files it could not check-out.
  • WG-55086 Fixed: Crash during SoundBank generation when parsing media associated with a music container's generic path.
  • WG-55201 Fixed: Media associated with Music Switch Containers' Generic Path not loaded when Split Switch Container Media is enabled. They are now automatically loaded with the Events referencing them.
  • WG-55229 Fixed: Editor crash when deleting media assets referenced by switch containers in the Unreal Editor.

Fixes for Community-Reported Bugs

  • WG-53436 Fixed: UAkInputComponent stops unexpectedly after some time (from a few seconds to several minutes).
  • WG-54287 Fixed: The DefaultLanguage on the Init Bank asset is set incorrectly due to issues with the parser.
  • WG-54558 Fixed: Possible crash and playback issues when streamed sounds with zero-latency not enabled are reloaded.
  • WG-54729 Fixed: During Sound Data generation in non-Event Based Packaging workflows, Wwise Unreal assets are dirtied unnecessarily when parsing SoundBank info and are loaded unnecessarily.
  • WG-54843 Fixed: Asynchronous load requests are improperly cancelled when prematurely unloading levels.
  • WG-54947 Fixed: Assets are not added to the GenerateSoundBanksCommandlet changelist if they were saved too early in the process.
  • WG-55002 Fixed: AkComponents with Auto Destroy enabled are not automatically cleaned up when they are posted asynchronously.
  • WG-55128 Fixed: Wwise UAsset Short IDs cleared by "Clear data in assets" are not always regenerated for State values. Incorrect Short IDs are now reported in the Unreal Log as a warning.

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