Like any other form of art and technology, rigging is constantly evolving. As a character rigger need to adapt to evolve. What I think, is keeping stuff simple and organized! We shouldn't miss out reference (live, image, video, etc), after all rigging or building a puppet is a way to mimic the natural organic or inorganic world as close as possible and this includes a study of art and building tools to ease the workflow.
A proper naming convention, structured rig hierarchy, directory structure, skeleton layout and orientation (understanding the anatomy) are some of the crucial factors. Creating a clean, fast and functional rig in time demands a clean rig layered with base rig, deformation, automation and dynamics as needed and art directed.
Rigging being a bridge between modelling and animation; during production, there tends to be some back and forth between each departments that deals with aritistic and technical changes and it's a challenge for the rigger to keep the flow and this includes efficient workflow, tool building and referencing. Working closely with modeller, animator and every other department is vital to deliver better output. There will be many challenges and hurdles, as a rigger we need to stand up to it and that's how we learn and avoid problems.
Cheers :)
