You can turn gravel into seared stone in a high oven. Iskandar has stated that he would leave this in.Personally I say no grout but re-enable the cobble to seared stone recipe
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Honestly I was one of the people upset about not having grout when this update first came out and got over it fairly quickly. You can make it to the pneumatic craft and tinkers buildings without much trouble and get a smeltery/high oven fairly quickly. Cooking cobble down allows you to make servos if you are like me and use a ton of them.