UE 4.11 to be dedicated to "speed and performance" optimization...

[=MarcinW;430378]

True. But they have a huge advantage in a sheer amount of community-made tutorials / guides / examples.
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The problem is that most of the community made tutorials/guides are things that many of us could do on our own if we had the time, we still need documentation for some of the more advanced topics that seem to be ignored by Epic.