Minecraft 1.17 Snapshot 21w16a – Patch Notes, Release Date, Time (Today, April 21)

Minecraft is gearing up for one of many greatest updates in its historical past, the Caves and Cliffs Update. It was slated to reach later this 12 months, however Mojang Studios recently announced that it will be split into two parts, owing to the hurdles created by the coronavirus pandemic.

Before the main replace releases, the builders have been releasing quite a few updates through Snapshots and to Minecraft Bedrock. This week, the Snapshot 21w16a is slated to launch and right here is all the pieces you might want to find out about it.

When will Minecraft Snapshot 21w16a launch?

Last week, Mojang Studios launched Minecraft Snapshot 21w15a which launched a couple of delicate modifications and a plethora of bug fixes. The subsequent Snapshot 21w16a is slated to launch at the moment, contemplating {that a} new Snapshot is launched each week. Usually, the Snapshot goes stay at round 3PM GMT, so you’ll be able to count on it to reach on the identical time at the moment.

Minecraft 1.17 Snapshot 21w16a – Patch Notes (Today, April 21)

As of now, Mojang Studios has not launched the patch notes for Minecraft Snapshot 21w16a. In the meantime, you’ll be able to try the patch notes for Snapshot 21w15a.

The riskier and technically extra advanced world era modifications for the Caves & Cliffs replace will probably be shipped in a later replace and have been switched off on this snapshot. This means:

  • World top has been switched again to the 1.16 ranges
  • Noise caves and aquifers have been switched off
  • Cave and ravine carvers have been returned to their previous settings
  • Crack carvers have been switched off
  • Ore distribution has been returned to the 1.16 setup
  • Copper now generates between the underside of the world and top 192, being commonest round top 96
  • Tuff now generates in blobs between heights 0 and 16
  • Worlds created in snapshot 21w05b or any earlier model can now as soon as once more be opened
  • Worlds created in any model between snapshot 21w06a and 21w14a can not be opened


You can nonetheless check out the world era for the later replace utilizing a datapack which prompts the modifications as an experimental customized world:

  • Download the data pack
  • Launch the sport, go to the “Create New World” display, and click on the “Data Packs” button
  • Drag the downloaded zip file onto the Minecraft window
  • The sport will ask you if you wish to add the information pack – click on “Yes”
  • Click the play arrow on the information pack that simply appeared within the record – this may transfer it to the record on the proper-hand facet of the display
  • Click the “Done” button and proceed creating your world as regular

Keep in thoughts that the world you create with the information pack will probably be flagged as experimental by the sport, and such worlds should not assured to work in future variations. Also, please word which you can’t add knowledge packs that change the world era to present worlds, so you should create a brand new world to entry the experimental options.

  • Goats will ram something that strikes… and in addition armor stands
  • A crinkly, crunchy sound now performs when Bone Meal is used
  • Reordered some blocks within the Building Blocks Tab in Creative Menu
  • Goats will keep away from strolling on Powder Snow
  • Creepers know gained’t dare mess with Goats
  • The important menu background has been up to date
  • Tweaked the textures of uncooked ore objects
  • Just like different ore supplies, you’ll be able to craft a compact model with uncooked ore objects in an effort to save stock area

New uncooked ore textures in snapshot 21w15a. Click here for a hyperlink to the complete decision picture.


  • All ores have been reordered to be in the identical location within the inventive stock
  • Compact types of uncooked and refined underground supplies have been reordered
  • Added the Marker entity
  • Added /debug perform
  • selector and nbt chat elements can now configure separators between components
  • Servers can now customise a message to show when prompting gamers about customized useful resource packs


Markers are a brand new kind of entity meant for customized use circumstances like map making and knowledge packs.

  • Only exist on the server facet, are by no means despatched to purchasers
  • Do not do any updates of their very own
  • Have a knowledge compound subject that may include any knowledge


New debug subcommand executes command with identical syntax as perform

  • Every executed command, message (even when it will be usually invisible), end result or error is saved to file
  • Cannot be run from inside capabilities


  • Components that print lists of names, like selector or nbt can now override separator (“, ” by default) with separator factor
  • Examples:
    • {“nbt”: “CustomName”, “entity”: “@e[type=chicken]”, “interpret”: true, “separator”: {“textual content”: “*”, “colour”: “pink”}}


When require-useful resource-pack is utilized in server.properties, there’s now an choice for servers so as to add a customized message.

  • A devoted server can configure further message to be proven on useful resource pack immediate (useful resource-pack-immediate in server.properties, expects chat element syntax, can include a number of strains)
  • MC-203855 – A geode configured_feature causes a crash when use_alternate_layer0_chance is used with no entries in inner_placements
  • MC-212145 – Summoning Glow Lichen utilizing /setblock doesn’t place any lichen however creates gentle till the block is up to date
  • MC-212273 – Glow Lichen doesn’t render when being held by an Enderman
  • MC-215836 – Deepslate makes use of the identical colour as stone on maps
  • MC-215844 – Stone nonetheless generates round lava swimming pools at low ranges
  • MC-216588 – Feature placement – java.lang.IllegalArgumentException: certain have to be constructive
  • MC-218588 – Cracked deepslate bricks & tiles are within the incorrect place within the inventive stock
  • MC-218698 – Infested deepslate makes the previous “stone” sounds
  • MC-218705 – Deepslate emerald ore is separated from different deepslate ores within the inventive stock
  • MC-218749 – Deepslate coal ore doesn’t drop expertise
  • MC-218944 – Copper ore and deepslate copper ore have inconsistent textures
  • MC-219972 – Deepslate gold ore has an inconsistent pixel
  • MC-221501 – Water splash potions don’t give the axolotl 1.5 minutes of moisture
  • MC-221718 – Lava fog repeatedly fails to render every block at sure y-ranges
  • MC-221798 – Blindness doesn’t render accurately
  • MC-222104 – Beacon beam fog is incorrectly computed
  • MC-222266 – Goats don’t assault
  • MC-222522 – Nether Gold Ore is not smeltable

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