Not sure if this is a bug, but i didn't see anything for this in patch notes.

If you don't have any rails on you and you use rail planner, it works like you were holding shift all the time except you cannot rotate either. its very hard to make curves now, especially tight S curves.

Do you have any way to get a known good save into a broken state like this?


Unfortunately no, i tried reproducing it quite a bit by doing exactly what i did last time. But couldn't make it happen again. It must be related to desync that happened at the exact same time when i pasted the copied ...

I do have few mods (list at the bottom), but this issue happens even if all of them is uninstalled. Author of IR3 mod also confirmed that this indeed happens even if his mod (and others) are removed.

Issue
One of my belt lines haves 4.2 million sulphur at the end of it. Its always the last belt ...