It's Wednesday, October 25, meaning a new snapshot is now available. Minecraft Java snapshot 23w43a offers several new experimental features that players have been eagerly awaiting since Minecraft Live 2023. In that livestream, Mojang revealed many interesting copper and tuff blocks. This latest Minecraft snapshot 23w43a has added all those announced blocks to the game. With this release, players can finally discover crafting recipes and uses for the new copper and tuff blocks. Additionally, it features changes to bats, ender pearls, and many bug fixes. For all interested players, here are the patch notes for Minecraft snapshot 23w43a:Mineraft snapshot 23w43a patch notes for Java EditionNew features in Minecraft snapshot 23w43aExperimental featuresCopper familyThe Copper family of blocks has been expanded, including:Chiseled CopperCopper GrateCopper BulbCopper DoorCopper TrapdoorOxidized and waxed variants of all of the aboveChiseled copperCrafted with 2 Cut Copper Slabs of a shared oxidation levelCan be crafted in the StonecutterCopper grateA new type of decorative block unique to the Copper familyCrafted with 4 Copper Blocks of a shared oxidation levelCan be crafted in the StonecutterProperties:Transparent and allows light to pass throughMobs cannot suffocate inside themCannot conduct redstoneHostile mobs cannot naturally spawn on themCopper bulbCopper bulb is a light-emitting block coming in Minecraft 1.21 update that can toggle its light emission through redstone pulses.Oxidizes like other Copper blocks, and emits less light the more oxidized they areCopper Bulb: Light level 15Exposed Copper Bulb: Light level 12Weathered Copper Bulb: Light level 8Oxidized Copper Bulb: Light level 4When placed, its light is off by defaultWhile the Copper Bulb is unpowered, it will toggle its light on or off when it receives a redstone pulseCopper Bulb light will stay on even when the redstone source is removed until it receives another redstone pulse to toggle it offA redstone crystal will glow in the center of Copper Bulbs while it is powered by a redstone signalComparators will read a signal strength of 15 if the Copper Bulb's light is onDoes not conduct redstone powerPlayers can craft 4 Copper Bulbs with:3 Copper Blocks of a shared oxidation level1 Blaze Rod1 Redstone DustCopper doors and trapdoorsCopper variants of Doors and Trapdoors that can oxidize over time and be waxedWorks like wooden doors in that they can be opened and closed with interaction as well as redstoneCrafted with Copper Blocks of a shared oxidation levelTuff familyTuff has been expanded to have its own family of blocks, including:Stair, Slab, Wall and Chiseled variantsTuff Bricks with Stair, Slab, Wall and Chiseled variantsPolished Tuff with Stair, Slab and Wall variantsAll Tuff variants can be crafted in the StonecutterChangesThe Bat now has a new lookThrown Ender Pearls produce a teleportation sound on impactSmall tweaks to the Telemetry Data Collection screenBatThe Bat has an updated model, animations and textureFixed bugs in Minecraft snapshot 23w43aThe following bugs have been fixed in Minecraft snapshot 23w43a:All arrow types lose their name/NBT data when shot and picked upThe game takes a long time to process players leaving realms groups or accepting or declining realms invitationsThe operator buttons intersect the scroll bar within the realms player menuYou cannot click on an area to set a value within the spawn protection slider in the realms world options menuYou can configure your realm before it has been created by using the TAB keyThe word "available" is misspelled as "availible" within the "recover_world.no_fallback" stringRight-clicking and keyboard input can disable or enable slots in the crafterThe subtitle for Crafters crafting something uses inconsistent tenseThe word "occurred" is misspelled as "occured" within the "recover_world.message" stringExtra space in the word "cannot" in selectWorld.incompatible.descriptionThe built-in update_1_21 pack contains duplicate files from the vanilla packPlacing items into the crafter output slot deletes themAdditional lines appear on the crafter's face when it craftsThe translation for "gamerule.commandModificationBlockLimit" is in title case instead of sentence caseComparator sometimes doesn't update when crafting with the CrafterElements within the list in the "Changes From Last Backup" realms menu cannot be selected via the mouse cursorThe "No pending invites!" text within the realms invitation menu cannot be narrated or selectedInconsistent pixels near light on the crafter's sideApart from new experimental features, changes, and bug fixes, Minecraft snapshot 23w43a includes some technical features as well as changes — such as a new tick command, jigsaw block modifications, and more. Interested players can find more details regarding this snapshot's patch notes by clicking the link in the tweet above.