Zombie nautiluses generated in ocean ruins are not persistent

The E value in entity_render_stats in the debug overlay doesn't work

Ender Pearls can load chunks beyond X/Z 30,000,000

Cannot stand on happy ghast above Y=8,388,608

Can go through the X/Z 30,000,000 invisible barrier by riding happy ghast

Ruined Portal can generate through bedrock layer

Jumping when wearing leather boots and landing on powder snow from some specific heights can cause the player to get stuck in the powder snow

Player dies by falling from 22.00001 blocks instead of 23 blocks

Jump down from 2 blocks high place takes fall damage

Minecraft 1.21.4-rc1's update summery is empty

Snowy slopes biome generates weird ice and snow blocks under water

Sliding down honey blocks is still different from previous versions

The player can sometimes teleport through blocked end portals when moving very fast

"Player moves wrongly" printed into console and players stuck at original place when using riptide trident in front of a nether portal

/tp command cannot teleport to the correct facing angles

It's possible to get slowed down by unreachable cobwebs

It is still possible to go through portals without being teleported when going quickly enough by throwing riptide tridents

The colormap of the world loading screen is black if the seed spawns you on water

Nether Portal's effect range is larger than a complete block now

More serious lags in 1.21.1 gameplay

Players can spawn underwater again in 1.21

Weird triangular areas render in the view when setting render distance to 2 chunks while have night vision in the End

Can respawn mid-air with default spawnpoint

Enter an end gateway doesn't always grant the advancement "Remote Gateway"

Can respawn in a solid block with default spawnpoint

The gamerule spawnRadius doesn't work anymore on respawn (always respawn at the same place)

Riding an entity into portals may cause the game to softlock

When you are riding an entity through portals, you and the entity may teleport to the wrong place

When you fly fast, chunks may not load for 10+ seconds

Strike a villager with channeling trident in thunder doesn't obtain the advancement "Very Very Frightening"

Your FOV doesn't immediately change when jumping onto soul sand/soul soil while having the slow falling effect and wearing soul speed boots

Your FOV doesn't change back to normal after jumping off from soul sand/soul soil while wearing soul speed boots

Player's velocity isn't saved after relog

Can't immediately sprint jump into a 2 block ceiling when standing next to it since 24w18a

Sharpness enchantment decreases attack damage instead of increasing attack damage.

The game tries to spawn bogged without experimental feature "update 1.21" active (but failed)

Trial chambers do not immediately generate when loading terrain

When your nether coordinate is greater than 3750000, /execute in overworld run tp @s ~ ~ ~ will say "invalid position for teleport"

Wind charges immediately explodes above y=350 (In Overworld)/y=286 (In the Nether/End)

The command /locate don't work correctly on trail ruins

Wind charges do not disappear after being rebounded by breeze

Can't enchant wolf armors by command /enchant

Cannot change language in game