Displays the utilization percentage of factories, miners, labs, furnaces, boilers, generators, and reactors.
Augmented or new ways of transporting materials - belts, inserters, pipes!
https://mods.factorio.com/mod/PickerDollies Currently % indicators don't move with entity. See "Dollies Remote API".
Amusing - that mod WAS supported at one point, but I must have deleted the hook for it in some cleanup a few versions back. Will be fixed in 0.8.6.
So, a different version of that mod ("dollies") was already supported - I added PickerDollies to the same logic, and have posted 0.8.6 now.
It works now. Confirmed. Thanks!