Pictured: Stairs, slabs, clouds aplenty
So what of certain land generation features, like caves? They aren't coming any time soon, unfortunately, primarily owing to performance issues on handheld devices. While they are not planned in the coming days, it has not yet been ruled out that caves may make an appearance in the future. 0.5.1 is expected to hit handhelds everywhere by sometime late January, or possibly early February. Who knows what else lies in store between now and then? We will keep you appraised!