Bedrock Edition 1.4.2

1.4.2 is an update for 1.4 released on May 23, 2018 to fix several crashes.

Fixes

 * Fixed a crash that occurred when creating a world on Windows 10 Mobile devices
 * Fixed a crash that occurred when creating a world on mid-tier and low-end iOS devices
 * Fixed an issue that prevented content from being downloaded on Android devices
 * Fixed some worlds not updating properly to 1.4