Minecraft 1.21.6-pre3

Everything below is measured by comparing the game files of 1.21.6-pre2 with 1.21.6-pre3 — not copied from patch notes.

New in-game text 1

Read from Mojang’s own release notes for Minecraft 1.21.6 Pre-Release 3, published 2025-06-04. Every entry keeps its original bug ID.

12 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Fixed bugs in 1.21.6 Pre-Release 3 12

• MC-296371 The entity shadows of happy ghasts are too small in relation to the size of their models
• MC-296374 The entity shadows of ghastlings are too small in relation to the size of their models
• MC-296853 The "Shear Brilliance" advancement is incorrectly given by shearing a lead off a wolf
• MC-297113 Hotbar shown in loading terrain screen
• MC-297497 The “Connection Lost” title isn’t displayed when being kicked from realms due to idle timeout
• MC-297972 Dialog body content is misaligned
• MC-298353 Ridden entities won't make the lead breaking sound when attached to a fence
• MC-298412 Subtitles are no longer shown when the master volume is set to zero
• MC-298466 When clicking the "yes" button to confirm command execution in a dialog, if the player is put into another dialog, the click sound from the "yes" button will not be played until it is closed
• MC-298492 Disconnecting through dialog in configuration phase causes the client to crash.
• MC-298516 While running /dialog clear and /dialog show every tick, pressing the warning button just after joining the world can crash the game
• MC-298520 Items in slots now render behind the container title, mismatching 1.21.5 behavior

This build was part of the run-up to 1.21.6. Everything tested here landed in that release.