Java Edition 1.12.1

1.15.2 is a minor update to released on January 21, 2020, which adds new game rules and fixes bugs.

Command format

 * Gamerules
 * Added.
 * Controls the spawning of patrols.
 * Defaults to.
 * Added.
 * Controls the spawning of wandering traders.
 * Defaults to.

General

 * Multiplayer
 * Added a legal disclaimer when clicking the multiplayer button from the main menu: a new information screen informs the player that "Online play is not rated".

Blocks

 * Saplings
 * Oak and birch saplings grown with a flower 2 blocks away within a 5×3×5 volume centered on the sapling have a 5% chance to generate a bee nest on the side of the tree.

Mobs

 * Bees
 * No longer anger when a nearby nest/hive is destroyed using a Silk Touch tool.


 * Horses
 * The texture of the horse armor slot in the horse GUI has been changed to reflect the current horse armor textures.

World generation

 * Bee nests
 * Now have a 2% chance to spawn in flower forests.
 * Now have a 0.2% chance to spawn in forest, wooded hills, birch forest, tall birch forest, birch forest hills, and tall birch hills biomes.

Gameplay

 * Status effects
 * Effects are now stored when overwritten by an effect of a higher amplifier.
 * A beacon effect will only temporarily overwrite a lower amplifier potion until the beacon effect runs out.

General

 * Models
 * Added option in models to allow controlling light when rendering model as an item in a GUI.
 * If set to, the model will be rendered like a block.
 * If set to, the model will be shaded like a flat item.


 * Game window
 * Now displays the session type in the window title, such as singleplayer or multiplayer.
 * If applicable, the window title also specifies the type of multiplayer server the player is on, such as on a LAN or third-party server.
 * If there is a * after Minecraft then it's modded. Example: "Minecraft* 1.15.2 - Singleplayer"
 * Example: "Minecraft 1.15.2 - Multiplayer (LAN)".
 * Available types: "Singleplayer", "Multiplayer (LAN)", "Multiplayer (Realms)", and "Multiplayer (3rd-party)". (Any of these can be with the * mentioned above)


 * Main menu
 * If the game is modded, "(Modded)" will appear with the game version found on the bottom-left of the main menu.
 * Example: "Minecraft 1.15.2 (Modded)".


 * Profiler report
 * Now captures more information about performance problems.


 * Textures
 * Removed a stray pixel from the bottom-right of the critical hit particle texture.

Video
Video made by slicedlime:

Trivia

 * 1.15.2 is the first release of 2020 and of the 2020s decade.