Minecraft wiki entry for Development_versions, associated text: Fixed several crashes that could occur during gameplay.
Fixed a crash that could occur when stepping into a nether portal at the same time as a phantom. (MCPE-43115)
An evocation fang without an owner no longer crashes the game when it tries to deal damage. (MCPE-43042)
Downloading missing resource packs when creating a new world no longer makes the game unresponsive.