Grenade spam may be coming to an end in Marathon thanks to some hefty nerfs to how many you can carry. Today’s 1.0.6.3 Marathon update changed the stack sizes of grenades you carry while mid-run, meaning you will need to use a lot more storage space if you want to spam explosions or any other throwable. The EMP, Chem, Frag, Heat, and Flechette Grenades now all have a stack size of one, and Claymores now have a stack size of two. The rest of the update is a mixed bag of bug fixes, but the C.A.R.R.I Armory and special events on certain maps are all being tweaked as well. For the full list of changes in today’s Marathon patch, check out the patch notes below.…