No they will never have the content PC edition does. This is due to the save file size needed that sony and Microsoft put a limit on. It has been stated several times things like infinite world size and such cant be done. The mesa Savanna and other new biomes sure they can be done. Could add the villager AI as well But infinite worlds will never happen and that has been confirmed in media releases.
This is way out there but I'd like to see villagers do more than just wonder around going 'hrrr', they actually crate the village/tend the gardens while you watch, or something along the lines of having maybe max of 2 villagers to work for you at a time. You could send one to mine & specify 20x20 blocks or 10x100 blocks to mine while the other can smelt the ore or cook food or what ever you need help with.
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Dig, dig, through the ground, there has to be some ore around.