Currently, there is still no specific date when the MCPE 0.12.0 will be released but with the help of the community, the development is faster than ever. Minecraft PE beta started on July 30, 2015 and already on Build 11 as of August 27, 2015. You can try the MCPE 0.12.0 beta version here.
Here are the list of confirm new features in 0.12.0:
Controller support Hunger Weather Rain Snowfall Sprinting and sneaking Option to reverse the location of the Sneak and Jump button Sneaking button where the jump button used to be and moved the jump button to the right. (new default controls) Option to disable the auto-jump feature Brewing Anvil All 3 damage types Brewing stand Mob head Inventory icons are not 3-D Flower pot Soul sand Nether brick fence Nether quartz ore Potion Splash potion Golden carrot Nether wart Glistering melon Golden apple Enchanted golden apple Rabbit’s foot (creative only as rabbits have not been added yet) Blaze rod Blaze powder Ghast tear Spider eye Fermented spider eye Poisonous potato Spawn eggs: Ghast Blaze Ocelot Glowstone dust Gunpowder Redstone dust (brewing only) Slimeball Sugar Magma cream Apple Coal Charcoal Iron ingot Gold ingot Emerald Diamond Raw porkchop Cooked porkchop Steak Raw chicken Cooked chicken Baked potato Bread String Stick Beetroot Beetroot soup Mushroom soup Boats: Spruce, birch, jungle, acacia, and dark oak variants Leather armor Chain armor Iron armor Gold armor Diamond armor The Nether Nether portals can also be up to 23x23 in size All items previously obtained through the Nether reactor are now available through their normal means. Nether fortress Iron golem Snow golem Version exclusive: Shows jack o’ lantern as the head if used for building, in place of the pumpkin Ocelot Zombie villager Version exclusive: Villagers retain their profession and clothes, which appear tattered Blaze Wither skeleton
So exciting right? Which new feature are you excited the most? Let us know your comments down below!