No quality modules, sacrifice x (configurable) items to get the next tier.
Large total conversion mods.
New Ores and resources as well as machines.
Furnaces, assembling machines, production chains.
Play it your way.
I crafted the upcycler and placed it down. Nothing can be inserted into it and I can't manually put anything in it.
Note that you can only insert items into the corner of the upcycler with the chomper
and trying to insert an item into the gui should specifically say you cannot do that by hand