Create "Blend Shapes" (Shape Keys in Blender) for basic mouth movements (A, E, I, O, U) and expressions (Joy, Angry, Sorrow, Fun). C. Shaders & Physics (The "Quality" Factor)
– Recommended tool versions:
A high-quality VRM is not just a static model. It needs 52+ ARKit-compatible blendshapes. Your GLB likely has zero. convert glb to vrm high quality