Hi! So I updated to the newest version today (thanks!) and I think I found a game breaking bug, sorry.

Advanced Foundry mk01 is now in two different research techs (Smelters1 and Steel Processing).

Why is it a problem? Because after that last update steel can only be made in advanced foundry ...

how to get formic acid? how to get it in the early stages, acid is required for latex, and it is needed for rubber stoppers