Minecraft wiki entry for Development_versions, associated text: Giant spruce trees once again generate podzol underneath (MCPE-65046).
Fixed an issue with player experience being lost when reloading a world.
Minecarts no longer collide with other minecarts on parallel tracks (MCPE-59302).
Falling top snow can no longer break solid blocks (MCPE-63214).
Fixed a bug that sometimes allowed villagers and players to respawn inside blocks when getting out of bed (MCPE-46064).
The XP cost is now readable in the anvil UI screen (MCPE-51908).
Bamboo can now be placed on top of bamboo saplings without Experimental Gameplay being enabled (MCPE-50088).