Software - Autodesk Maya

Model Geometry - https://animationstudios.com.au/rigs/

Rig Features

Stretchy IK/FK spine

Space switching on the head anim for neck / shoulders / all

IK+FK legs with : footroll / stretch / ik-fk switches

IK+Fk arms with : twisty arms / ik-fk switches

Eye anim controls

Proxy skinned limbs / torso / neck

Finger controls