What's New in Minecraft Snapshot 21w06a?



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Here’s a big one – snapshot 21w06a is out with the beginnings of brand new cave generation for Minecraft! Introducing noise caves and aquifers – check out all the details in this comprehensive guide!

This is an unofficial update video that aims to be the most comprehensive guide possible. Official announcement: https://www.minecraft.net/en-us/article/minecraft-snapshot-21w06a

What’s new in The Nether Update – Minecraft 1.16: https://youtu.be/rcHiRdrsAfk
What’s new in Minecraft 1.16.2: https://youtu.be/5xqfyn-TZ2c
How to get a Snapshot: https://youtu.be/-gWUURjTaL0

Timestamps:
Introduction: 0:00
World Generation: 0:32
Blocks & Items: 3:15
Visuals: 4:16
Stability & Performance: 4:27
Getting This Version: 4:44
Outro: 4:55

Change Highlights in this version:
Caveats:
– You’ll be unable to open old worlds in this snapshot as there is currently no upgrade path towards the new world height

World generation:
– Overworld generation range and build limits have been expanded by 64 blocks up and 64 blocks down, to a total range of 384 blocks
– Underground features, structures, and caves generate all the way down to y -64.
– No, they aren’t loud. The “noise” part of noise caves is a technical term and has nothing to do with sound.
– Noise caves are a new way of generating caves, providing more natural variety. They can get really huge sometimes!
Noise caves come in two flavors:
– Cheese caves. Like the holes in swiss cheese. These often form caverns of various size.
– Spaghetti caves. Long squiggly tunnels, sometimes wide like tagliatelle.
– The old cave carvers and canyons still generate, combining with the noise caves to form interesting cave systems.
– As with carvers, when noise caves intersect the surface they form cave entrances.
– An aquifer is an area with local water level, independent of sea level. Aquifers are used during world generation to generate bodies of water inside noise caves. This sometimes results in large underground lakes!
– For now, aquifers are only used below y31. This means all noise caves between y31 and sea level (y63) will be flooded with water, and noise cave entrances will essentially be lakes. This will be fixed later.
– Magma sometimes generates at the bottom of underground bodies of water
– Underwater cave carvers and underwater canyons have been removed, since aquifers are used to generate water in caves instead.
– Mineshaft pieces don’t generate if they would be fully floating in the air
– Mineshaft corridors are supported by log pillars when needed
– No floating cobwebs

Blocks & Items:
– You can no longer crouch or jump to prevent a big dripleaf from tilting
– A big dripleaf will now tilt rather than break when hit by a projectile
– A redstone powered big dripleaf will not tilt (except when hit by a projectile)
– Dripleaf now starts tilting quicker than before, and will keep tilting regardless of what you do
– Fixed MC-213813 – Small dripleaf can destroy any block

Visuals:
– The textures for hanging roots and small dripleaves have been updated

Some camera sequences rendered using the ReplayMod: https://replaymod.com

Music: “Curiosity” by Alexander Nakarada (https://alexandernakarada.bandcamp.com/) licensed CC-BY 4.0
Outro music: “The Fire” by Amarante (http://amarante.bandcamp.com) licensed CC-BY 3.0

Licenses:
– CC-BY 3.0: http://creativecommons.org/licenses/by/3.0/
– CC-BY 4.0: http://creativecommons.org/licenses/by/3.0/

Main channel: https://www.youtube.com/slicedlime
Second channel: https://www.youtube.com/limeuncut
Twitch: http://www.twitch.tv/slicedlime
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Facebook: https://www.facebook.com/SlicedlimeYT
Patreon: https://www.patreon.com/slicedlime
Discord: https://discord.gg/aFAnsdv

#cavesandcliffs #minecraft117 #21w06a

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50 thoughts on “What's New in Minecraft Snapshot 21w06a?”

  1. Those big caves look amazing! They're going to be a lot of fun to explore and build in. I hope that in the final release they are much less common than they are in this snapshot and previous versions, so that it is that much more exciting when a player discovers one.

    Reply
  2. Here’s a possibility: what if you made the world even deeper? If you added another 64 block below, you could implement a form of “height difficulty”; the deeper you go, the more dangerous it is. There would be enough room to comfortably slot underground biomes, like the Deep Dark, without it feeling a little crowded. If you moved diamonds to -64—-127 and increased ore there (and lowered it above), there would be a reward for the extra risk. It could make getting to the bottom of the world actually a challenge!

    Basically, Terraria.

    Reply
  3. I would love to have the lavafalls and waterfalls generated so that it doesn't look ugly. For example, little to none lavafalls on the surface, only waterfalls above water lakes and only lavafalls above lava lakes.

    Also, wouldn't it be cool to have emerald ore generated in the lush caves? It would then make sense why villagers have so many of them.

    Reply
  4. Wow, I was literally just thinking the other day "man, mineshafts are gonna look really silly in these huge caves, I hope they do something about that" and hey look, here we are! The mineshafts fit in a LOT better this way.

    Reply
  5. what about sifting gravel to make sand?
    and then blowing cobblestone to make gravel too. notice that to obtain cobblestone, you need player interaction.
    makes a tnt cycle, and enhancing tnt usage is in the theme for the update.

    if not exactly like this, then sth similar, along this line, especially in a way that it is impossible to make completely automated, but that gives that needed renewable sand
    not to speak of the need to destroy deserts to have a nice glass dome or anything that aint a couple of windows

    Reply
  6. Seeing an aquifer in a warm ocean with its teal-blue color got me thinking of how cool it would be to have a thermal biome with lava pockets, bubbling “warm” water with magma blocks underneath, and thermal vents spewing particles like campfires.

    Reply
  7. One thing, why aren’t ores going to spawn below zero? I understand that area is where the deep dark will spawn but unless the Warden is guarding something really good there’s no reason to go down there.

    Reply
  8. Are the Mojang developers coding an algorithm that will transfer old world elements into the new world generation? I think that's why old world loading is temporarily disabled.

    Reply
  9. I ask you slime?

    Will y0 – y61 actually apply a Deepstone in Normal cave ore (before CAC Update) or are have new ore for Deep dark?

    Like (Deepstone Diamond Ore? , Deepstone Iron Ore?)

    Reply

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