Java Edition 1.15.2 Pre-Release 1

1.15.2 Pre-Release 1 (known as 1.15.2-pre1 in the launcher) is the first pre-release for Java Edition 1.15.2, released on January 14, 2020.

Command format

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

General

 * Multiplayer
 * Added a legal disclaimer for online play: a new menu screen informs the player that "Online play is not rated"

Blocks

 * Saplings
 * Oak and birch saplings grown within 2 blocks of a flower on the same y-level have a 5% chance to have a bee nest.

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 birch forest, birch forest hills, forest, tall birch forest, tall birch hills, and wooded 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

 * Block 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.
 * It also specifies the type of server the player is on in multiplayer, such as on a LAN or a third party server.


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


 * Stability and performance
 * Crashes and exploits fixed.

Video
Video made by slicedlime: