Yeah, didn't manage to reproduce the problem and have since played a bunch more hours with the same setup on the same save without any problems.
Found out my old ethernet cable was a bit iffy, causing network drops / errors from time to time, so it's probably one of those "once in a blue moon" bugs ...

Connected player used deconstruction planner, trees/rocks only on a large part of the map.
Host game froze and crashed after a short while.

Tried it again, this time the connected players game froze, but just resulted in a disconnect.
Works fine if doing it as host (although fps drops to ~1)

Not a ...

When placing a single item and holding shift, the ghost used to plan trees, rocks and cliffs for deconstruction. This doesn't work in 1.1.13.

Might be related to fix in 1.1.12: "Fixed that player building reach limit was applied also for ghost building."

Congratulations! :-)

Thanks for being awesome.
Thanks for FFF, a highlight every friday.
Thanks for making my favorite game of all time.

Recently started playing with 2 of my long time friends, who never really played before.
As we have very different taste in games and me having 1000+ hours of ...