In stockpile i have 3 stacks of arrows 30/30 in one slot, after i dragged over to refill my 22/30 stack in quiver, stockpile arrows became 3x 22/30 and when i take them out they are all stacks of 22/30. Dont care about wooden arrows but higher tier ones are going to hurt.
#Arrow stacking
glad nacelle
lost steppe
Adding that I just experienced this as well - Except I had around 5-6 stack total and somehow got down to less than 2 stacks when trying to merge. Clip in a sec since slowmode is on