Minecraft Preview 1.20.50.22

Experimental Features

Copper Block Family

• Chiseled Copper
• Copper Grate
• Copper Bulb
• Copper Door
• Copper Trapdoor
• Oxidized and waxed variants of all the above

Chiseled Copper

• Crafted with 2 Cut Copper Slabs of a shared oxidation level
• Can be crafted in the Stonecutter

Copper Grate

• A new type of decorative block unique to the Copper family
• Crafted with 4 Copper Blocks of a shared oxidation level
• Can be crafted in the Stonecutter
• Transparent and allows light to pass through
• Cannot conduct Redstone

Copper Bulb

• A light-emitting block that can toggle its light emission through Redstone pulses
• Oxidizes like other Copper blocks, and emits less light the more oxidized they are

Copper Doors and Trapdoors

• Copper variants of Doors and Trapdoors that can oxidize over time and be waxed
• Works like wooden Doors in that they can be opened and closed with interaction as well as Redstone

Tuff Block Family

• Stair, Slab, Wall, and Chiseled variants
• Tuff Bricks with Stair, Slab, Wall, and Chiseled variants

Features and Bug Fixes

• Known issue: Creative Flight speed is greatly reduced after touching the ground
• New bat texture update
• Fixed an issue where players couldn't block with a shield after releasing to use an item
• Leads will no longer break if a leashed mob is not in the same chunk as the leash holder upon reloading a world

For more details, visit the source website.