Java Edition 1.14 Pre-Release 1

1.14-pre1 is the first pre-release for Java Edition 1.14.

General

 * Optimizations
 * Some optimizations.
 * Inside the optimize world screen there is now an option to remove cached world data (e.g., height maps and light), so that it is re-computed when the world is next loaded.

Video
Video made by slicedlime: