yes, it does. It happens on all single player maps
No it does (my cpu is more powerful than the Intel Pentium D, you cant compare by the GHz they are different designs) here are public benchmark results from geekbench: http://browser.primatelabs.com/processor-benchmarks (if you click 32bit multicore, you will see the celeron 1007u 1.5GHz scored 1980 and the pentium 805 2.66 GHz scored 1092) As you can see here mine did a little bit better: http://browser.primatelabs.com/geekbench3/1568877 at 2093. Don't forget that the Pentium D is a 32 bit CPU and my Celeron 1007u is a 64 bit CPU . As you can see, MY CPU IS NOT TOO WEAK! at least comparing that to what you say the minimum requirements are: https://help.mojang.com/customer/portal/articles/325948-minecraft-system-requirements?b_id=5408
Yes this still does happen in 1.8.1 release
sorry, I'm new to this so please be patient with me.
i did change it at one point, but this was happening before i changed it in the first place.
and its stil spawning stuff i think it shoudnt with mobspawning off.
like zombie raids and iron golems
one iron golem spawned onside a villagers attic, SOMEHOW not suffocating, as his head was inside the stairs, so the game is going to great lengths to spawn them in too.
and more are spawning.
they like to keep villagers from getting to beds to sleep in at night...
sorry for taking a while to respond, it was 9:30pm lasst night when i got your response.