Redstone dust doesn't render on the side of redstone blocks

Confirmed.

Could be possibly caused by the fact that redstone wire points towards redstone blocks regardless, like with redstone torches and the front and back of repeaters.

Confirmed.

Confirmed for

• 1.8.4 The reason might be that the game connects redstone dust always with redstone sources like redstone torches, levers... Maybe it connects then the dust with the redstone block and doesn't render it also on the side of the redstone block