Java Edition 20w46a

20w46a is the second snapshot for Java Edition 1.17, released on November 11, 2020, which adds powder snow among other changes.

Blocks

 * Powder Snow
 * Powder Snow is a trap block that causes any entity that walks into it to sink in it
 * You can pick up and place powder snow with a bucket
 * Wear leather boots to prevent yourself from sinking into powder snow blocks
 * Leave a cauldron outside in falling snow and it will fill with powder snow

Gameplay

 * Freezing
 * Standing in powder snow will slowly freeze an entity
 * Once frozen, freeze damage is done every few seconds to the frozen entity
 * Each piece of leather armor warn causes an entity to freeze more slowly
 * Wearing a full set of leather armor prevents freezing entirely

General

 * Lightning rod
 * The range of attracting lightning has been doubled.
 * Copper block
 * Crafting recipe has been changed to require only 4 copper ingots.
 * Biomes
 * Biome-specific sky colors now blend more smoothly.
 * Menu screen
 * Buttons tied to a set of values can now be scrolled through.
 * Shift-clicking on a menu button changes it to the previous value.
 * The Debug mode can be accessed by Alt-clicking instead of shift-clicking on the world type button.
 * Textures
 * Changed a number of the textures for blocks and items introduced in the previous snapshot
 * Cut copper
 * Some colors were made slightly darker.
 * Lightning rod
 * The whole texture was made slightly darker
 * Calcite
 * Texture reworked with the same general layout and colorscheme.
 * Amethyst block
 * Has more bright areas
 * Budding amethyst block
 * Has more bright areas
 * Tinted glass
 * Removed the largest "glare" line.
 * Candle item icons
 * Now depicts two candles of different sizes standing upright side-by-side.
 * Copper ingot item icon
 * Textured reworked to be more intensely bright and dark
 * Amethyst shard item icon
 * The darker pixels are now a bit more dark.
 * Bundle item icon
 * Is now a more vibrant, orangey brown.