I've been having the same issue. Face tracking and hand tracking seem to work well, yet the model doesn't react at all.
I've noticed the next error on console. Is my graphics card outdated?
:display:gsg:glgsg(error): An error occurred while compiling GLSL vertex shader created-shader: created-shader:1(10): error: GLSL 1.50 is not supported. Supported versions are: 1.10, 1.20, 1.30, 1.00 ES, and 3.00 ES :display:gsg:glgsg(error): An error occurred while compiling GLSL fragment shader created-shader: created-shader:1(10): error: GLSL 1.50 is not supported. Supported versions are: 1.10, 1.20, 1.30, 1.00 ES, and 3.00 ES