I had the same issue, though not on that scale. My save game went up from ~30MB to ~130MB. Curiously today it has it has almost dropped down to its previous size again.

We did explore the map a little bit, so I would have expected the file size to further increase.

What we also did was to clear ...

To me calculating the max was just an intermediate step. My overall goal was to choose the train station at a mining outpost that had the maximum number of items stored, so that loading a train would would be as fast as possible. It would have been further complicated by the requirement that if one ...

I had the exact same idea about calculating the maximum for deciding which loading station a train should go to. My reasoning was that I would check for each station if the number of items at that station was less than the maximum and in that case block that station, so that a train would always go ...

I also think that AA should stay in the game. There should be some more ways to consume them. They might be required for higher tier items, that are frequently needed, like express belts or flying robots (via an ingredient to lubricant?) If it is only needed for some rare high level items (like ...

Here is what I did:

I had a desync and was disconnected from the server. This happend shortly after entering a train.
After that I loaded the latest autosave (I beleve in single palyer, but might have been multiplayer)
When the game started I was immediately presented a small dialog box with two ...