Each version of this integration matches a specific build of Unreal Engine. This document lists the changes in the 2025.1.2 release of the integration.

Compatibility:

• Wwise SDK: 2025.1.2
• Unreal: This integration supports, and was compiled against, Unreal Engine versions 5.4, 5.5, and 5.6. It was tested against Unreal Engine 5.6.

Note: This integration does not support experimental Unreal Engine features.

For earlier versions, see Previous Release Notes.

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

New Features

• WG-75067 Wwise Browser now uses ak.wwise.core.object.structureChanged to receive project structure changes.
• WG-79262 (Acoustics) Added a flag to the Blueprint function SetPortalObstructionAndOcclusion to transition Obstruction and Occlusion across Portals.

API Changes

• WG-75748 Added FAkDynamicSequenceTransition to replace TransitionDurationMS and FadeCurve.
• WG-75851 Renamed "PostDialogueEvent" of UAkDynamicSequence to "PostDialogueEventInPlaylist".
• WG-77913 Refactored build.cs files to put common code in common files.

Bug Fixes

• WG-69386 Fixed: (Acoustics) Fit to Geometry doesn't work on a Portal with non-default brush size.
• WG-70779 Fixed: (Acoustics) AkReverbZone parent Room name does not update as expected.
• WG-75191 Renamed Wwise Browser's "Master Mixer Hierarchy (Bus)" filter to "Busses".
• WG-77519 Fixed: Audio Nodes are visible in the Wwise Browser.
• WG-77532 Fixed: Excessive logging when modifying audio nodes.
• WG-78467 Fixed: (Acoustics) Fit to Geometry doesn't work with custom collision channels.
• WG-79414 Fixed: (Acoustics) Clustering is enabled by default.

Fixes for Community-Reported Bugs

• WG-77810 Fixed: (Acoustics) AkRoomComponents can attempt to post their Auto Post AkEvent before the Room game object has been registered.
• WG-79283 Fixed: An assert is triggered when reloading the Media Info Table or Default Media Table in Unreal 5.5.
• WG-79354 Fixed: MIDI Event missing from Callback switch.
• WG-79637 Fixed: Crash in streaming when closing a game.

Documentation Improvements

• WG-78824 Added information on the Spatial Audio Outdoors Room.
• WG-79666 Added more detail on Acoustic Texture.
• WG-79668 Clarified AkRoomComponent and AkLateReverbComponent documentation.