Oculus Audio SDK 1.29.0 integration - when ?

Currently even Oculus offers 1.18.0 Audio SDK integration for UE4, while their current native release of Audio SDK is 1.29.0 Oculus Spatializer Native | Developer Center | Oculus

Do you have an ETA for when Audio SDK 1.29.0 is going to be integrated into UE4 (for both PC and mobile VR platforms) ?