Each version of this integration matches a specific build of Unreal Engine. This document lists the changes in the 2025.1.3 release of the integration.

Compatibility:

• Wwise SDK: 2025.1.3
• Unreal: This integration supports, and was compiled against, Unreal Engine versions 5.5, 5.6, and 5.7. It was tested against Unreal Engine 5.7.

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

Platform-specific information can be found here:

For earlier versions, see Previous Release Notes.

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

New Features

• WG-70600 Wwise SoundEngine and Wwise Unreal Integration versions are now displayed when hovering over the settings icon in the Wwise Browser.
• WG-72432 You can now double-click an object in the Reconcile window to open its UAsset location in the Unreal Content Browser. When manual UAsset deletion is required, the Reconcile button is unavailable if no other reconcile operation is available.
• WG-74870 Added Suspend Audio During Focus Loss and Render During Focus Loss audio initialization settings to determine if audio is suspended on focus loss.
• WG-76512 Added keyboard shortcuts to generate all SoundBanks (Ctrl+Alt+F7), to generate SoundBanks for the current platform (Ctrl+Shift+F7), and to reconcile (Shift+R).
• WG-79872 Added Collapse All and Expand All buttons to the Wwise Browser and in the shortcut menu.
• WG-79876 Added support for Unreal Engine 5.7.

API Changes

• WG-73689 Renamed some instances of RTPC to GameParameter.
• WG-79595 Added SeekOnEvent Blueprint to AkSoundEvent.
• WG-80163 Added bridges for Wwise 2025.1 SDK changes.
• WG-80378 Added tool to call ProcessBanks after async Bank operations are queued.

Behavior Changes

• WG-45196 Stopping a Play in Editor session now resets all global RTPC's to their default value.
• WG-65680 Renamed "WwiseBrowser" to "Playback" in the shortcut menu of Events in the Wwise Browser.
• WG-66190 Renamed the "AcousticTextures" folder to "Virtual Acoustics" in the Wwise Browser.
• WG-74935 In Wwise Browser, unused Effects are now marked as "Unused" instead of "New in Wwise".
• WG-75940 Options that don't apply to the selected item are no longer available in the Wwise Browser shortcut menu.
• WG-76650 Changed the order of root items in Wwise Browser.
• WG-76812 Removed all mentions of the WAAPI Picker and standardized names and descriptions in the Wwise Unreal user settings.
• WG-77437 Renamed "Orphaned" folder to "Found only in Unreal" in the Wwise Browser.
• WG-78203 WAAPI settings are now hidden when Connect to WAAPI is set to false.
• WG-79477 Renamed "MIDIEvent" to "MIDI Event" in the Callback Mask section of a Post Event node.
• WG-79492 WwiseMultiReferenceAssetLibrary is no longer created by default.

Miscellaneous Changes

• WG-75456 Converted AnimNotify_AkEvent Blueprint to C++.
• WG-76524 Updated names in Wwise Browser to correspond with the new hierarchy names in Wwise.
• WG-80637 Updated names of Unreal assets to match the new hierarchy names in Wwise 2025.1.

Bug Fixes

• WG-72254 Fixed: Empty Work Units are visible in Wwise Browser.
• WG-73681 Fixed: Renamed Initialization Settings that included "RTPC" to use "Game Parameter" instead.
• WG-74363 Fixed: Crash when the Start Event of the Audiolink Settings is invalid.
• WG-74815 Fixed: AkSpotReflector's icon doesn't scale properly when zooming in.
• WG-75194 Fixed: Audio_Devices don't redirect to the corresponding UAsset when double-clicked in Wwise Browser.
• WG-77408 Fixed: Holding F5 in the Wwise Browser only refreshes the browser once.
• WG-78851 Fixed: Aux Busses appear as Deleted in Wwise.
• WG-78954 Fixed: Crash caused by double destruction of failed TryUnsetMedia.
• WG-79548 Fixed: When right-clicking the Content Browser, icon previews are missing.
• WG-79600 Fixed: "Last" enum values are visible in Blueprints
• WG-79760 Fixed: Visualize Rooms And Portals and Show Reverb Info check boxes are missing in Unreal 5.6.
• WG-79899 Fixed: (Acoustics) Reverb Zone Auto Parent doesn't respond to Rooms being enabled or disabled.
• WG-79975 Fixed: StopWhenOwnerDestroyed doesn't stop Events in unloaded Sub Levels.
• WG-79976 Fixed: Crash upon previewing invalid Wwise Event Assets.
• WG-80214 Fixed: Disabling WAAPI can lead to a crash.
• WG-80287 Fixed: Editor randomly crashes when Auto Connect To WAAPI setting is enabled.
• WG-80338 Fixed: Media isn't unloaded during Term global callback, and banks are kept in SoundEngine even after SoundEngine termination.

Fixes for Community-Reported Bugs

• WG-77531 Fixed: (WAAPI) Crash in WAAPI client when starting Unreal Editor, even with Auto Connect to WAAPI unselected.
• WG-79041 Fixed: Incorrect boolean log condition in WwiseFileState.
• WG-79498 Fixed: Asset libraries are flagged as a hidden dependency by Unreal Engine 5.6 and later.
• WG-80074 Fixed: Post Wwise Persistent Event fails when Enable Wwise SoundEngine Only is selected in Integration Settings.
• WG-80085 Fixed: Excessive log messages when closing Unreal Editor.