Java Edition 19w38a

19w38a is the fifth snapshot for Java Edition 1.15, released on September 18, 2019.

Commands

 * Can now use  as target, which is general purpose, key-value storage.
 * Can now use  as target, which is general purpose, key-value storage.


 * New subcommand:.
 * Evaluates custom predicates.
 * Evaluates custom predicates.