The latest Unreal Engine 4.26 release includes:
- OpenXR support
- Support for Microsoft OpenXR plugin with Microsoft's vendor-specific OpenXR extensions
- HoloLens Media Player plugin for performant video playback
- Azure Spatial Anchors for iOS and Android (beta)
- Streaming from Azure to HoloLens 2
- Windows App Certification Kit compliance for packaged apps
- HP Reverb G2 controller support
See the Unreal Engine 4.26 release notes for more.
Unreal Engine 4.25 includes:
- Mixed Reality UX Tools plugin support
- App Remoting from a desktop app
- Better performance
- Mixed reality capture
- Initial support for Azure Spatial Anchors
See the Unreal Engine 4.25 release notes for more.