Would be great to hear about this from Shademe...

From Skyranger's post on May 12, 2014, in the OSR comments on Nexus, referring to MoreHeap:

From More Heap Nexus description:

I too noticed those two comments and wondered about it. Hopefully this thread will give us the answer.

OSR already include a setting to change the Heap size, so if you use OSR you don't need MoreHeap