Why are there extra deform bones in rigify armature? I'm working on a rigify armature and noticed when I generated the rig it forms extra deform bones in the arms and legs. I'm fairly new to this add-on so I'm not sure why this happens. Is there a way to remove these bones and have the armature work properly?
As said, this is to improve your weight painting in case of mesh flipping issues during twist movments.
You can modify the number of limb segments produced by the metarig in Bone Properties &gt; Rigify Type.
For example, if I set the left arm Limb Segments to 1:

The metarig will produce a rig with 2 segments per metarig bone for the right arm and only one for the left: