VRChat is working on its own constraint component for avatars, replacing Unity constraints.
  • VRCConstraints are like Unity constraints, but improved and optimized for VRChat avatars. They work on Quest and Android!
  • Avatars can continue to use Unity constraints. However, they are automatically converted to VRCConstraints in VRChat.
  • Unlike Unity's constraints, VRCConstraint is a single component. Instead of replacing the components, its behavior is selected via a dropdown.
(This feature is still in development! The name and details of this feature are subject to change.)