Minecraft wiki entry for Development_versions, associated text: MC-249712 – Server hangs and game stops responding when loading a chunk containing a structure with an allay.
MC-249714 – Z-fighting can be seen on the wings of allays during their death animation.
MC-249720 – Allay's wings are not attached to its body.
MC-249727 – Wardens stop sensing vibrations after world reload.
MC-249728 – Lava can generate in ancient cities and burn wool.
MC-249729 – Z-fighting can be seen on the underside of allays' heads.
MC-249751 – Warden UV overlapping.
MC-249758 – Z-fighting can be seen when the arms of allays intersect their bodies.
MC-249761 – Trapdoor of Ice Box in Ancient Cities is by default open.
MC-249764 – Second lamp in the centers of ancient cities is missing its sculk sensor.
MC-249768 – entrance_path_5 can never generate.
MC-249769 – Unused structures in ancient cities.
MC-249816 – Wardens hitbox doesn't adjust when emerging and digging.
MC-249825 – Frogs ignore doMobLoot gamerule.
MC-249910 – Warden "Nearby Closest" sound is unused.