Adds recipes to compress and decompress ores
Mods introducing new content into the game.
More than just chests.
Placed a compressed coal 'brick' into a boiler and got a crash.
Bugreport: https://forums.factorio.com/viewtopic.php?f=30&t=45751 fixed in 0.15.6. Possible workaround: https://forums.factorio.com/viewtopic.php?f=93&t=41280#p263070
Just note, issue was solved since 0.15.1.