Minecraft wiki entry for Development_versions, associated text: Blocks will now lose their waterlogged state when pushed by a piston.
Kelp will now keep growing after being partially broken by a piston, and the piece below will have a maximum random age of 24. (MCPE-57330)
Blue wither skulls will once again break obsidian. (MCPE-63223)
Ender dragon fireball attacks no longer cause excessive damage. (MCPE-40344)
Hopper minecarts will now drop hoppers and minecarts when broken with a ranged weapon. (MCPE-55859)
Multiple honey blocks can be crafted in the 2x2 crafting grid. (MCPE-63081)
Crafting multiple honey blocks returns the correct amount of items to the player. (MCPE-63461, MCPE-58579)