Minecraft Wiki:Sandbox

MEME
 * This snapshot has the same protocol version as 20w13b. Crossplay between the two versions is possible but may cause unexpected issues.
 * The uniquely generated dimensions do not begin until ID 3 due to the fact that 0 is the Nether, 1 is the Overworld, and 2 is the End. For example: using will teleport player to ID 3, or  will teleport player to ID 2147483647.
 * The uniquely generated dimension ID 3 (_generated:3) resembling the cave dimension with floating mineshafts and red glazed terracotta, along with the water surface up to Y-level 31, bedrock on top like in the nether, and with bluish lighting in the dark, then purple , then grayish-red , then orange , then light green . Also, the menus in _generated:3 are reddish tinted.
 * The uniquely generated dimension ID 2147483647 (_generated:2147483647) resembling the tinted dimension with purple polished diorite stairs and purple stained glass, along with light cyan to light sky blue tinted menu , resembling the uniquely generated dimension with blue sky like in the overworld and various non-full blocks. As a result, this dimension is very laggy when generating the world.
 * In the JAR's  folder, there is a new folder named   which contains the sound for the Mojang splash screen (titled  ) as well as a higher-pitched version (titled  ). Sometimes the folder cannot be found.
 * When playing  with, the namespace is also.
 * There are multiple dimensions, such as "code" or "praw" that can cause the game to be laggy, or likely crash the game.
 * There are multiple dimensions, such as "america" and "missingo", that cause errors and crashing due to a "bound must be positive" exception in Java, or may soft-lock Minecraft, requiring it to be force-closed.
 * The new loading screen startup sound is considered an in-game sound effect and can be played in generated dimensions like code.
 * This is the only version which has different names in the announcement (20w14∞), in the launcher (20w14infinite) and in-game (20w14~).