Wiggle bones (a jiggle bone implementation for 2.8)

[bjornmose]

Just for curiosity, is this not related to:

Jiggle Armature 2

this is a new version easy animation of softbody effects using just bones real time simulation multiple edition of parameters for selected jiggle bones jiggle bone control through control bones unconditionally stable simulation [testing jigglearmature 2 addon for blender] edit (7/14/19): I just released a new version (2.2.1) for blender 2.79 and 2.80, checkout

and if not why?