Minecraft wiki entry for Development_versions, associated text: Flowing lava once again turns into cobblestone when hit by water. (MCPE-43990)
Frosted ice blocks can now be broken. (MCPE-41256)
Slabs and other non-solid blocks once again prevent grass from growing on dirt. (MCPE-42975)
Logs can once again be turned into stripped logs with axes. (MCPE-44680)
Rails at a T-junction once again change directions when powered by redstone. (MCPE-44735)
Fixed smokers not having the correct texture underneath. (MCPE-43944)
Armor stands can once again hold armor stand items.