Increases the resource costs of most recipes causing a marathon game. The will require the players to scale a larger factory and use rail to reach the end game.
Small changes concerning balance, gameplay, or graphics.
The Electrolyser 3 and 4, Pump 3 and 4, Compressor 3 and 4, and Chemical Furnace 3 and 4 that I know of.
It is causing them to use the recipe for the first tier of those buildings.
All of Bob's Mods and marathon mod are up to date for Factorio A13
Confirmed. Will be fixed in 1.1.6