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Minecraft Bedrock Edition 1.17.40.23 changelog

Released 30 September 2021

This is the official changelog from the Minecraft Feedback site, published by Mojang Studios. FoxyNoTail shows it here so every version is easy to find; the text is © Mojang Studios / Microsoft.

Read the original on minecraft.net Last checked 9 Oct 2026
Contents (4 sections)
  1. Experimental Features 
  2. Non-Experimental Features and Bug Fixes 
  3. Gameplay 
  4. Mobs 

Posted: 30 September 2021

PLEASE READ before participating in the Minecraft Beta: 

  • Joining the beta will replace your game with a work in progress version of Minecraft 
  • You will not have access to Realms and will not be able to join non-beta players while you're previewing the beta
  • Any worlds played while in the beta cannot be opened in previous versions of the game so please make copies of worlds to prevent losing them 
  • Beta builds can be unstable and are not representative of final version quality 
  • The beta is available only on Xbox One, Windows 10, and Android (Google Play). To join or leave the beta, see aka.ms/JoinMCBeta for detailed instructions

Screen_Shot_09-22-21_at_11.21_AM_001.JPG

 

Please enjoy this week’s Bedrock Beta update and send us your feedback at aka.ms/CavesCliffsFeedback and report any bugs at bugs.mojang.com.  

Reminder: We are still tweaking world generation and features may change, please remember make regular backup copies of your favourite worlds! 

Experimental Features 

  • Fixed shifted sub-chunks on Caves & Cliffs flat worlds (MCPE-140428)
  • Flat worlds with the Caves & Cliffs experimental toggle enabled will properly upgrade to use the new dimension heights 

Non-Experimental Features and Bug Fixes 

Gameplay 

  • Fixed an issue where Light Blocks would force players to spawn at the surface of the Overworld  
  • Tropical Fish no longer lose their colors upon grabbing them with a Water Bucket and then releasing them (MCPE-137158)  
  • Trapdoors show up in the Recipe Book again (MCPE-141441)  
  • Lily Pads can once again be placed on water deeper than one block (MCPE-141403)  

Mobs 

  • Mobs no longer jump continuously on non-full blocks such as Snow layers (MCPE-141411)  

More Bedrock Edition changelogs

All Bedrock Edition changelogs

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