Brand new M4 Mac Mini, OS up to date. Ore patches toggle between coloured & blank as I walk.

factorio_map_flash.mp4

Is there a setting I need to change, or is there any debugging information that I can provide if it might be a bug?

(No mods installed, have tried with "render in native screen ...

I had exactly the same crash just now on macos, at the same place in the log file. Steam would also die.

Fixed it by opting out of betas in the Steam preferences (Steam->Preferences->Account->Beta Participation, change to Not Participating), then letting it download the latest stable version & have ...