Each version of this integration matches a specific build of Unreal Engine 4. Here is what has changed in the 2019.2.7.7402.1803 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 4.25.

Platform-specific information can be found here:

For earlier versions, please refer to Previous Release Notes.

• New Features
• API Changes
• Performance Changes
• Bug Fixes
• Fixes for Community-Reported Bugs

New Features

• WG-49997 SoundBanks now contain a list of Linked AkEvents that is visible in the Unreal property inspector.

API Changes

• WG-51158 Added possibility to generate Sound Data from C++ using a list of events.

Performance Changes

• WG-50843 Optimized the performance of FAkAudioDevice::Get().

Bug Fixes

• WG-49667 Fixed: External Source Factory does not support relative paths.
• WG-49678 Fixed: Reverb Volumes and Spatial Audio Volumes collide with raycasts and particle systems.
• WG-50785 Fixed: Grouping Events into SoundBanks leads to duplication of SoundBank names when Sound Data Generation is done with WwiseConsole.
• WG-50888 Fixed: String parsing error during Sound Data generation that could lead to some media files not being generated.
• WG-50936 Fixed: When cooking sound data, a duplicate media asset is created for localized data that blocks the sound data generation.
• WG-50995 Fixed: Access Violation in UAkAssetDataWithMedia::Load.
• WG-51157 Fixed: Wrong argument parsing in the GenerateSoundBanks commandlet.
• WG-51190 Fixed: FAkAudioDevice::EventToPlayingIDMap is not thread safe.
• WG-51307 Fixed: Changing media in Wwise not reflected in Unreal after SoundData generation.
• WG-51379 Fixed: Crash when unloading an asset that had not finished loading.
• WG-51392 Fixed: Empty default language in the InitBank asset.
• WG-51470 Fixed: GenerateSoundBanks commandlet automatically synchronizes assets when not using Event-Based Packaging.

Fixes for Community-Reported Bugs

• WG-50921 Fixed: Error messages related to unloading SoundBanks when quitting the Unreal Editor.