Minecraft 1.21.6 Snapshot 25w21a – Cloud Redesign & Better Taming Mechanics

Minecraft 1.21.6 Snapshot 25w21a introduces a wave of subtle yet impactful updates, especially for players who enjoy caring for mobs and fine-tuning visual fidelity. Among the most notable additions are visually improved cloud formations, new horse feeding mechanics using carrots, and fresh sound effects for lead snapping and saddle shearing. Behind the scenes, dialog UI continues to see major technical refinements as Mojang preps for a polished 1.21.6 release.

Features:

• Visual Enhancements
  • Clouds have been reshaped and redistributed for a more dynamic, natural sky appearance.
• Horse & Mob Care Upgrades
  • Horses, donkeys, and mules can now be fed carrots to:
    • Heal HP
    • Accelerate growth
    • Improve temper (easier taming)
• New Sound Effects
  • Removing saddles, horse armor, and llama carpets with shears now triggers satisfying new audio cues.
  • Snapping leads also has its own new distinct sound.

Technical Elements:

• Resource Pack Format: Version 62
• Data Pack Format: Version 78

Dialog System Improvements:

• run_command click actions now close dialogs and books reliably, even without elevated permissions.
• Clients now return to the correct previous screen when dialogs are closed.
• Warning screen conflicts are resolved: if a new dialog is received during a warning, it will show after pressing “Back”.
• Size limits added to various UI elements (e.g. buttons, item descriptions, input fields), ensuring stability and preventing rendering errors.

Fixes:

• Visual & Rendering:
  • MC-36696: Menu ticks when opening statistics screen.
  • MC-112730 & MC-236464: Beacon beams are no longer rendered twice or disappear incorrectly.
  • MC-258336: Frost Walker no longer causes rendering glitches near chunk borders.
  • MC-297812: Fixed inconsistencies in bold text rendering.
  • MC-297888: Fonts now display text order consistently.
• Mob Behavior & Mechanics:
  • MC-297264: Cat breeds now correctly reflect world seed variations.
  • MC-297336: Experience orbs no longer get stuck in blocks.
  • MC-296337: Minecart memory leaks have been fixed, reducing crash risk.
• Audio & Music:
  • MC-297803 – Typo in “menu.custom_screen_info.contents”.
  • MC-297806, MC-297808, MC-297823: Fixed misspelled music track IDs and capitalization.
  • MC-297813: Amos Roddy is now correctly credited in-game.
  • MC-297846: Music notification no longer flickers when the volume slider is set to zero.
• Dialog Interface:
  • MC-297917: Fix for client freeze when a button is too wide in dialog.
  • MC-297977: Removed unnecessary spacing in column layouts.
  • MC-297875: Underlined text now has proper shadow rendering.
  • MC-297846: Button sounds play correctly in single-player menus.
  • MC-297806: Language fixes improve immersion and clarity.

Screenshots:

New Clouds

Horses & Saddles

New Sounds

Hermitcraft Darkness

The Secret In The Sky

Soundtrack Name

Requires:

Java

Java Runtime Environment

How to install:

• Please visit the following link for full instructions: How To Download & Install Minecraft Snapshots

Why use Minecraft 1.21.6 Snapshot 25w21a?

This snapshot refines the core gameplay experience with improved horse taming, cleaner visuals, and bug-free dialogs, creating a smoother UI and animal interaction system. If you’re building immersive stables, testing multiplayer compatibility, or prepping for “Chase the Skies,” this version is a must-try. Mapmakers will also benefit from the stricter UI size limits and stable dialog transitions.