It seems I didn't do enough research... It looks like this is an issue with the docker image:
https://github.com/factoriotools/factorio-docker/commit/72c3590cd65f5d6e0344eedcabc85c23168e3932

I guess the fix hasn't been pushed to the images yet. Disabling the mods didn't seem to work, so I guess I ...

I've been hosting a server based on the factoriotools docker image for several months with very few issues. Today (I think since the 2.0.55 update) it won't start up and gives me the error:

Util.cpp:81: Duplicate mod elevated-rails.

I've never seen any duplicate errors before, and have been ...

How will these qualities handle stacking? Especially wrt inserter hands. Will an inserter be slower, on average, if the quality levels are mixed?


In a similar vein, will this interfere with all the optimizations around saturated belts? It sounds like 10% (or more) of end-game outputs could be ...