Auto-Rig Pro for Blender - A new update of Auto-Rig Pro was just released! -New Corrective Shapes tool, to easily setup corrective shapes driver of IK- FK limbs (arms, legs). See doc: http://lucky3d.fr/auto-rig-pro/doc/auto_rig.html#corrective-shape-keys -
![animation - What are the advantages of separating FK and deform bones in an IK/FK rig? - Blender Stack Exchange animation - What are the advantages of separating FK and deform bones in an IK/FK rig? - Blender Stack Exchange](https://i.stack.imgur.com/SROvj.png)