TL;DR
It would be cool if T-junctions in pipes have a little window.

What?
Like some straight pipes have a little window, so you can see the content inside, it would be cool if T-junctions do the same. Only the ones that are pointing up would be sufficient. Maybe not every junction, but at ...

When loading my save, I get an error (Corrupt map, invalid tile count loaded from map.)
Neither the main save file, nor the autosaves load and result in the same error.
I haven't switched versions or changed mods. I tried validating the game files through Steam, with no success.
The only save that ...