Java Edition 1.9.3-pre2

1.9.3-pre2 is the second pre-release for 1.9.3.

Additions

 * New command
 * usage:

Changes

 * In this version, the game checks https://sessionserver.mojang.com/blockedservers when connecting to a multiplayer server, and if the server is on the blocked server list, reports to the user that the server is unavailable.
 * This behavior was removed in 1.9.3-pre3.