I'm glad it's not a bad setting on my PC. Or some game settings that I missed.

At the same time, I am wondering why no one has reported it yet. Am I the first one who use horizontal scrolling?

Hi, i have Logitech mouse with 4-way mouse wheel. (the exact model is Logitech G502 Hero)
Recently I found that the horizontal scrolling in the Factorio is wrong. Scrolling left and right is swapped.

If i scroll down, the vertical scrollbar moves down. (OK)
If i scroll up, the vertical scrollbar ...