A small building that reduces the quality level of inserted items, allowing you to use recipes with mixed quality ingredients.
Mods introducing new content into the game.
Furnaces, assembling machines, production chains.
should not accept quality modules?
Thats not a bug report nor a question, please be more specific
The module slot of the downgrade port build should not accept quality modules I think. Because it could make downgrade malfunction?
I never bothered to blacklist them because they don't do anything
