With and FK enabled and hands posed in a way other than the default and pose, accessories attached to fingers such as rings appear in the position they would be in with FK disabled.
I narrowed it down to StartCoroutine(AntiGarbageHooks.BaseProcessUpdateJobCo()); in the Start method, commenting this line out causes it to work properly once more.
Scene for testing:
With and FK enabled and hands posed in a way other than the default and pose, accessories attached to fingers such as rings appear in the position they would be in with FK disabled.
I narrowed it down to StartCoroutine(AntiGarbageHooks.BaseProcessUpdateJobCo()); in the Start method, commenting this line out causes it to work properly once more. Scene for testing: