If there is at least one VRC_Storage component in the world, no other users’ voice will be heard for about 6 seconds after entering the world, and VRC_Trigger components will not work.
This issue has not occured, at least in Unity 2017.4.
Demo scenes:
Demo worlds:
You can work around this issue by deactivating the GameObject that contains VRC_DataStorage components, activating it about 2 seconds after entering the world.
However, Oculus Quest can only display VRC_Panorama, which is enabled by default, due to the following issue existing in VRC_Panorama.