From @dylan1020 on December 12, 2017 21:48

Forge Version & Engineer's Workshop Version [MAKE SURE YOU ARE RUNNING THE LATEST BUILD]

Minecraft: 1.12.2
Forge: 14.23.1.2562
Engineer's Workshop:1.12.2 1.0.3.24

Expected behavior

Setting input and output filters should save after closing the GUI

Actual Behavior

Input and output filters don't save after closing the GUI.

Steps to reproduce [If Applicable]

Place a furnace in the table
Place auto transfer upgrade in the upgrades tab
Try to set input and output sides
Close GUI
Reopen GUI
Check filters

Copied from original issue: TechReborn#5

#44 Same bug?