Java Edition 1.21.7/Development versions

This is a list of Java Edition 1.21.7 development versions.

1.21.7 Release Candidate 1

1.21.7 Release Candidate 1 (known as 1.21.7-rc1 in the launcher) is the first release candidate for Java Edition 1.21.7, released on June 25, 2025.^[1]

Additions

Items

Music Disc

Added the "Lava Chicken" music disc by Hyper Potions.
- Obtained by killing a chicken jockey.
- Has a comparator output of 9 when played in a jukebox.

Paintings

Added a new painting by Sarah Boeving:

Picture	Name	Size	Artist
	Dennis	3×3	Sarah Boeving

Fixes

13 issues fixed

From 1.21.5

MC-280354 – Loading and unloading a resource pack that uses a x32000 atlas breaks the game.

From 1.21.6

MC-297748 – The moon is rendered incorrectly on some Qualcomm graphics.
MC-298448 – Filled maps are rendered incorrectly on some Qualcomm graphics.
MC-298681 – Text displays with the "shadow" tag enabled and the "see_through" tag disabled exhibit z-plane fighting at a close distance.
MC-298710 – TTF glyphs are incorrectly rendered over some elements.
MC-298818 – Good boy is missing from Java Edition.
MC-298832 – The breaking particles of droppers and dispensers facing up or down appear incorrect on some Qualcomm graphics.
MC-298856 – Blindness and darkness fog effects no longer work underwater.
MC-298898 – TextureAtlas leaks textures after resource reload.
MC-298919 – Sometimes you pass through the happy ghast when you get off while going forward.
MC-298986 – Repeatedly reloading a 512x512 resource pack will eventually result in severe graphics corruption.
MC-299017 – Text on glowing signs is not visible on some graphics.
MC-299071 – Memory Leak in ItemStackRenderState leads to OutOfMemoryError.

1.21.7 Release Candidate 2 (known as 1.21.7-rc2 in the launcher) is the second and final release candidate for Java Edition 1.21.7, released on June 26, 2025.^[2] This version fixes bugs and updates the pack format versions due to there having been breaking changes in the previous release candidate.