Minecraft 1.21.6-pre2

Everything below is measured by comparing the game files of 1.21.6-pre1 with 1.21.6-pre2 — not copied from patch notes.

Reworded text 2

Wording Mojang changed in this version.

Read from Mojang’s own release notes for Minecraft 1.21.6 Pre-Release 2, published 2025-06-02. Every entry keeps its original bug ID.

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

Fixed bugs in 1.21.6 Pre-Release 2 14

• MC-217887 Unsigned books written in 1.9-pre1 or earlier don't upgrade properly
• MC-297575 Happy Ghast with nbt NoAI set to true can't be controlled by player
• MC-297591 Ender pearls can unexpectedly come to a halt
• MC-298104 The max_lines field of multiline text input control is unrestricted, lagging the game
• MC-298144 The initial value of minecraft:text input type is limited to 32 characters, regardless of max_length field
• MC-298155 Dialog command_template using a multiline text input causes player to be kicked out of the server due to illegal characters in chat (which is \n
• MC-298209 Player cannot move while touching a happy ghast's body
• MC-298301 Blinking the cursor shifts all characters to the right of a multilines text field input in Dialogs
• MC-298307 Entering and exiting a pale garden while in Creative mode causes the current music track to remain silent
• MC-298358 Riding a mob into powder snow no longer affects the player properly
• MC-298361 Happy ghast with player riding, teleports back and forth when exiting nether portal
• MC-298368 "music_notes.png.mcmeta" has an extra index that does not exist, causing a warning
• MC-298394 Freezing in Powdered Snow is very inconsistent and jittery
• MC-298422 Ghasts and happy ghasts do not take damage from harmful blocks under some circumstances

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