Minecraft wiki entry for Development_versions, associated text: Fixed a problem that caused certain worlds to increase in size, causing high RAM usage (MCPE-143156).
Fixed shallow water turning brighter when aimed while holding a Small Drip Leaf (MCPE-123373).
Tall flowers will now drop only one item when broken by water placed in the upper half of the flower (MCPE-142799).
Fixed an issue where terrain could be seen through.
Education Features: NPCs no longer have idle sounds (MCPE-141856).
Chorus Fruit now works correctly at negative Y coordinates (MCPE-135951).