Doh, I feel silly. It was caused by the "Cursor Enhancements" mod, which I totally forgot I had installed. Sorry for the noise!

If I pick up a ghost of an item and next scroll with Alt+scroll, the type of the item changes together with the quality. I did reset my keyboard bindings beforehand. Demo: https://youtu.be/jYmBqBtKDQE FWIW, this save was migrated from pre-space-age Factorio. P.S. I could not upload this file as an a...

orzelek, thank you! Your information allowed us to pinpoint the area which was at fault. We essentially had to delete all LTN stops in the newest smelting area, which worked. Deleting the LTN stops directly related to 16k iron plates did not work though, but we are back in the game! Thanks again

For what it's worth, we have tried a paused game with no mods except for LTN. I was able to join the game, but as soon as the game has been unpaused I got desynced.

As reported on https://github.com/Yousei9/Logistic-Train-Network/issues/120 : we're late stage in a multiplayer game and after stopping to play yesterday (we expanded the base, nothing out of the regular) now all of a sudden only 1 player can concurrently connect/play. tried with headless hosted ser...