Originally posted by us271934:

Originally posted by Crimson:

Auto-pickup (At least for me) doesn't pick things up when it will put me overweight. If you manually click to pick things up though it will allow you.

This is my experience also - about 1 million times

That has not been my experience at all, sadly. I'll dump a large stack of stone while mining, pick up the ore I couldn't previously carry, and it will auto pickup the stones again.