3D Voice chat system was fully reworked and all problems should be fixed.
You can now hear your voice in the tutorial for example, or speak with other players in the play map.
Voice Chat fixed
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 6265737 · public branch
Steam updated · First observed