do you not pay attention to the log he has updated every 5-20 days he updates pretty consistently also i was wanting to know from the creator not some random person gestimating (after reading back i realized that this might have came across as being a dick sorry i did not mean it that way)
are you planning on possibly making the core (what your protecting) bigger possibly a 3x3 with armored corners or a 4x4 so you could input from two conveyors from any side to get a higher through put. Also have you entertained the idea of doing underground belts from factorio