It's the start of a new week and we're coming right out of the gate with another pre-release for Minecraft: Java Edition 1.20.5! Apart from upping our pun-game in the Advancements department, this pre-release also fixes a slew of bugs and crashes.

Happy mining!

New Features

Advancements

Snip it! advancement is renamed to Shear Brilliance

Changes

Using ctrl+pick block no longer lists "(+NBT)" in the item tooltip

UI

The animated Nether Portal texture is displayed when changing dimension to or from The Nether
The animated End Portal effect is displayed when changing dimension to or from The End

Technical Changes

The Data Pack version is now 40
Invalid data in packets sent from a server will now cause the game client to disconnect

Data Pack Version 40

Modified loot functions

`set_fireworks`

Fields explosions and mode have been grouped together as a sub-object

{ "explosions": <list>, "mode": <mode>, <mode-dependent fields>} becomes {"explosions": {"values": <list>, "mode": <mode>, <mode-dependent fields>}}
New explosions field is now optional, while values field inside it is now mandatory

Fixed bugs in 1.20.5 Pre-Release 2

MC-199973 Wet wolf is rendered too dark compared to past versions
MC-259355 Game crashes because /place sometimes does not check whether position is loaded and out of world
MC-265585 Waterlogged barriers do not diffuse sky light
MC-265709 Stonecutter outputs are broken past the 32nd row in the GUI (server only)
MC-265741 Waterlogged barriers don't show up on maps
MC-266997 Sky light doesn't update when breaking a shulker box while its (closing) animation is playing
MC-267352 Singleplayer worlds don't load the player.dat when the "Player" tag is absent from level.dat
MC-267381 Moving while sneaking is impossible with high generic.step_height attribute
MC-267414 Scale attribute causes extreme TPS loss with the ender dragon
MC-267441 When a player's generic.step_height attribute is set to more than two, attempting to step atop of more than two blocks may fail if there are blocks higher up
MC-268015 Shulker bullets shot from shulkers don't account for the scale attribute
MC-268035 True Type Font when changing Language causes error with Rendering overlay
MC-268064 Armadillos that aren't rolled up can roll up during their death animation
MC-268257 Equipping a carpet on a Llama doesn't play a sound
MC-268347 Setting gravity higher than 0.84 allows you to jump up a block
MC-268804 Wolves attacked while wearing wolf armor resets eating timer despite being at full health
MC-268810 Ctrl+Picking chests still says (+NBT) even though NBT is replaced by components
MC-268854 Firework explosions in items without a Type field are not correctly upgraded
MC-268858 Buttons to enchant become enabled when placing wolf armor in an enchanting table
MC-268984 Running /give command throws EncoderException
MC-269123 Enabling or disabling a resource pack that changes a shader will not affect that shader until the resource pack is reloaded
MC-269161 Stonecutter does not support multiple recipes with the same result item type
MC-269171 The client is disconnected when receiving the system_chat packet containing deeply nested NBT data
MC-269173 The server cannot send the client the system_chat packet containing deeply nested NBT data
MC-269300 The "Alternatively, here's some we made earlier!" text is positioned too close to the header separator
MC-269304 Horse armor renders incorrectly when worn by wolves
MC-269415 set_fireworks "mode" is required even when "explosions" is optional
MC-269472 Crash when table_bonus loot condition has empty chances list
MC-269619 Scroller in Telemetry Data screen renders translucent pixels as opaque, unlike elsewhere
MC-269660 arguments.item.predicate.unknown quotes are different
MC-269802 Selecting a villager trade merges items with different components
MC-269932 Item disappears when trying to trade using items with lower max stack count
MC-270003 Ominous banners are not "pick block"-ed properly
MC-270049 Enchanting table buttons and level icons render translucent pixels as opaque
MC-270116 The minecraft:generic.fall_damage_multiplier attribute does not function for many mobs with nonstandard fall damage behaviour
MC-270117 The calculation of fall damage for horses, donkeys, mules, zombie horses, skeleton horses, camels, llamas, trader llamas, and foxes disregards the minecraft:generic.safe_fall_distance
MC-270262 You can see the world loading while in the process of entering it
MC-270265 Blur slider does not say "OFF" when set to 0%
MC-270413 A nbt copy of a block is ABSOLUTELY the same as the first nbt copy of the original and n (+nbt) display for tooltip of (a copy of)×n a block have an "Items" block data
MC-270559 FreeType error: Unrecognized error: 0x62 (Loading glyph)
MC-270590 Dropped items from creative mode get deleted when inventory is open
MC-270603 Crash updating world: ClassCastException: RegularImmutableList cannot be cast to class com.mojang.datafixers.util.Pair
MC-270610 Some new advancement titles are incorrectly capitalized
MC-270648 Wolf armor with the curse of binding enchantment cannot be removed from wolves using shears in creative mode
MC-270679 Clicking on text with run_command can cause EncoderException and will exit to multiplayer menu
MC-270712 Cannot move while sneaking if attribute generic.step_height is set to 0
MC-270767 Leather horse armor no longer prevents horses from freezing in powder snow

Minecraft 1.20.5 Pre-Release 2