ACE Unreal Plugin Changelog#

2.3.0#

New features
- GPT local execution
- Optional custom blend shape weight multipliers and offsets for the “Apply ACE Animation” animgraph node
- Blueprint function to query blend shape names: “Get Default Blendshape Map”
- Default NVIDIA Audio2Face provider “RemoteA2F” supports Linux and Win64. The old Win64-only “LegacyA2F” provider is still available.
- Add latent blueprint nodes to start animations from Audio2Face without blocking
- Add C++ API to send raw audio data into ACE Unreal plugin
Fixes
- Fix connections to Animation Data servers using https crashing on Linux
- Fix samples possibly not being sent for some Audio2Face sessions (issue introduced in 2.2.0)
Other changes
- Update MetaHuman pose asset (mh_arkit_mapping_pose_A2F) to support new Audio2Face v2.3 models

New features
- “Animation Stream” feature allows facial animations to be driven by the ACE Animation Data v1.0 service (also known as Animation Graph)
- Linux support for applications and Unreal Editor (Animation Graph only, no Linux Audio2Face support currently)
- Animation start and end events
Other
- Plugin now supports selecting the Audio2Face provider at runtime, although there is currently only one provider, which is identical to the previous release
- More logging (Verbose or VeryVerbose) for diagnosing animation synchronization issues

New features
- Initiate an Audio2Face session by sending an audio clip to the service directly from an Unreal application
- Spatialized audio
- Support source audio clips of any sample rate
- Support Audio2Face v1.0 service
- Application control of emotion information used to generate facial expressions
- Override Audio2Face server face parameters
Fixes
- Fix audio and animation synchronization issues. Manual delay/offset is no longer needed
- Fix audio not supported in certain cases, such as when using Pixel Streaming
- Fix multiple character support
Other changes
- Deprecate LiveLink support
- Add support for UE 5.4, drop support for UE 5.2