Minecraft wiki entry for Development_versions, associated text: Bred Axolotl maintain their color after being placed from a Bucket (MCPE-123328).
Amethyst Buds and cluster breaking animation no longer floats in the air.
Aligned in-hand rendering of Amethyst Bud items with Java Edition (MCPE-126726).
Players are now able to use Pick Block Small Dripleaf (MCPE-123571).
When bonemealing Small Dripleaf, the resulting Big Dripleaf is at least 2 blocks tall (MC-214159).
Mobs can once again pathfind around Pointed Dripstone.
Naturally spawned Glow Squid now despawn (MCPE-126701).
Using Pick Block on a Glow Squid in Creative now gives the Glow Squid Egg (MCPE-126946).
Lightning that strikes Lightning Rod no longer has the chance to trigger Skeleton traps.
Multiple blocks can no longer be placed on Powder Snow (MCPE-116205).
Fences and Walls no longer connect to Powder Snow (MCPE-113504).
Fog effect is no longer applied to the third-person camera when the camera isn't inside Powder Snow (MCPE-126028).
Powder Snow Block no longer becomes invisible if the Player is extinguished by both the Powder Snow Block and any other method at the same time (MCPE-124414).
Powder Snow no longer has one corner that collides with mobs.