Dynamic lighting.
Two step account security.
There's more but I can't think of them off the top of my head and don't really care to think of more just to respond to this spam thread.
I don't think anything very recent has been implemented. For the most part, it seems like the staff tends to keep its distance from this forum. It's a shame, really.
"I don't like sand. It's coarse, and rough, and gets everywhere."