Turns out the autosave corrupted, so the crash might have happened mid save. Here's a manual save as well.

Vanilla space age

I was changing my grid-based logistics & electrical network, tearing up the old one and replacing it with a new one at the same time.

This failed some assertion:

7396.779 Error ConstructionRobot.cpp:113: this->busyRobotLink.isLinked() == this->shouldBeLinked() was not true ...