Confirmed in 1.7.7, there for it was likely in 1.7.5 and 1.7.6 to,
The same in Snapshot 14w10c
The same in snapshot 14w10c
Still the same in snapshot 14w10c
Here is an cool device by pi314159...... that uses this bug http://youtu.be/3h9sclayDzs
and explains it to. Minecraft: Time Dilation Generator
Still the same in snapshot 14w05b
I can Confirm that there are mushrooms at these cords, i start a world, set to night so the sun doesn't pop the shrooms. then /tp to the cords.
it's still in the snapshoot 14w02c
in 1.8 snapshot 14w02 b and c
is the same in snapshot 14w02 a b and c
Still in 1.7.4
I believe it is not a bug, the spiders act the same, it just makes them more creepy, then there is the wool on sheep's to.
Still present in 1.7 2
The Efficiency works on regular Ice(#0079) so i would think it should have the same effect on packed ice
Cool
Same goes for 1.7.8