Hi Twinsen, thanks for getting it fixed! ... issues related to marking entities to be upgraded, but the saves above will work correctly. If I loaded my file in V1.0 and cancelled all my upgrade requests (I don't recall setting any), could that fix my file in V1.1? I may not have a chance to test it ...

I am experiencing this bug as well. When loading (either through continue or manually selecting the file) the save in V1.1, my game crashes. Mine seems to differ slightly from above but I believe may be the same issue. 256.833 Error EntityWithHealth.cpp:145: fast-inserter ({1209.5, -784.5}): true !=...