March 7th, 2021

Minecraft Snapshot 21w17a Patch Notes

Minecraft Updates

Minecraft Snapshot 21w17a Patch Notes

Minecraft is heading toward the first of its two Caves and Cliffs Update patches this Summer, and players can try some of its features early with the new Minecraft Snapshot 21w17a.

Here are the Caves and Cliffs features you can enjoy in the latest Minecraft Update, Snapshot 21w17a.

Snapshot 21w17a Patch Notes

Minecraft’s latest update has arrived, and some new Caves and Cliffs features come with it that you can bring into your latest save now!

Let’s dive right into the latest Minecraft Snapshot patch notes:


  • Small Dripleaves can now also be placed on Moss Blocks
  • Copper Ore drops 2-3 raw Copper when mined, or more when using a tool enchanted with Fortune
  • Copper Blocks are now crafted from 9 Copper Ingots
  • Tweaked the texture of raw Metal blocks
  • Large Ore Veins have been tweaked
  • Added noodle caves – thinner, squigglier, and more claustrophobic variant of spaghetti caves

Large Ore Veins

  • Ore veins are now slightly rarer and slightly smaller (but they are still large!)
  • The ores in the vein are clumpier and less evenly distributed
  • If you are lucky you may find a raw ore block in the vein

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Bug Fixes

  • MC-170443 - Banner copying recipe ignores existence of other items in crafting grid
  • MC-187664 - World border uses float to determine its size, making some border sizes inaccessible, and cannot be set to 30 million or beyond
  • MC-201269 - Constantly teleporting player to a phantom crashes the game/kicks the player
  • MC-203570 - Candles aren’t grouped in the recipe book
  • MC-203745 - Repeated teleport between dimensions causes the entity to duplicate on the client
  • MC-204031 - Waxed Cut Copper (any level of weathered) have two separate recipes in the recipe book
  • MC-214187 - Void platform generates multiple times
  • MC-214735 - Horse disappears when dying while riding it and reloading the world while it’s unloaded
  • MC-214838 - Big dripleaf stem remains after breaking a stem or leaf above it
  • MC-214865 - Floating islands world type generates extreme terrain
  • MC-219155 - Fishing line only starts on half distance between the fishing rod and bobber (Apple M1 only)
  • MC-219840 - You cannot unlock the recipe for Mossy Stone Bricks
  • MC-219842 - Recipes for mossy cobblestone and mossy stone bricks aren’t grouped
  • MC-220033 - (Parity issue) Hanging Roots can’t be waterlogged
  • MC-221560 - Copper/Coal Ore in Deepslate Patches aren’t Deepslate Ores
  • MC-222008 - Empty/missing template pool error grammar mistake
  • MC-222520 - Raw and Ore smelting previews aren’t grouped together
  • MC-223055 - Amethyst buds and cluster have an unused blockstate
  • MC-223792 - Shrinking world border with center past x/z 29999983 crashes the game

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