Java Edition 20w28a

20w28a is the second snapshot for Java Edition 1.16.2, released on July 8, 2020.

Blocks

 * Brewing stands
 * Can now be crafted with blackstone.

Items

 * Totem of undying
 * Now gives the Fire Resistance status effect for 40 seconds when activated.

Mobs

 * Villagers
 * Villagers now emit green particles when joining a village, setting a home bed, or acquiring a job site/profession.

Gameplay

 * Bartering
 * Various weights have been changed.

World generation

 * World generation
 * There is now experimental support for a  folder in data packs
 * can contain biome definitions
 * can contain definitions for world carver settings
 * can contain definitions for feature placements
 * can contain definitions for structure placements
 * can contain definitions for surfaces
 * can contain sets of block processors
 * can contain pool definitions for jigsaw structures
 * Custom biomes can now be used in the single biome/caves/floating islands world types (add the data pack containing the biome first)
 * Custom biomes can now be used in custom dimension generators


 * Custom
 * Custom worlds now support custom biomes

General

 * Servers
 * Dedicated servers can now rate limit clients
 * Dedicated servers can now kick clients that consistently send too many packets within a second
 * Controlled with the  settings in
 * The default rate limit of 0 means "no limit"