Nathan Adams has been doing a lot of Minecraft development lately, especially in the Minecraft 1.4 cycle. It seems that he is even adding a new mob, which should be added in the next snapshot (in two days). "Working on a very old but popular minecraft suggestion that keeps popping up every so often; I put my new mob on hold for now," Nathan said on Twitter. Obviously the word 'hold' might result in it being delayed until next week, but are you excited?
Source: @Dinnerbone