TL;DR
Quick stack buttons for chests, factories etc. Allow quick stack items "from your"/"to your" inventory. Allow quick factories filling etc.What ?
1) Stuck similat. Quick stack button that allows you to stuck similar items from your inventory to the chest's.Before "Quick stack"
After "Quick stack"
2) Stuck all items. Quick stack all items from inventory to the chest.
3) Get all. Get all items from the chest.
4) Similar buttons for factories quick filling.