Minecraft wiki entry for Development_versions, associated text: Fixed fangs from the illager spells not being spawnable in blocks with no bounding boxes
Water and lava buckets can now be used on underwater blocks cohabitating with water, such as light blocks or big dripleaves (MCPE-148392)
Players in Visitor Mode can no longer break paintings and minecarts (MCPE-132869)
Teleporting vertically beyond the visibility distance now loads the terrain correctly (MCPE-150021)
Improved accuracy of damage calculations
Fixed an issue where interacting with the bell while holding a chargeable item would not continuously ring it (MCPE-56968)
Fixed a bug where the player could switch to gliding when riding in certain scenarios (MCPE-147904)