With November 8's Minecraft snapshot, Mojang has finally added the last few features confirmed for the upcoming 1.21 update. Players can now experience the new challenges added via trial chambers — huge underground structures filled with difficult and fun trials that offer valuable loot.In these chambers, players will find rooms that house Breeze, one of the newest mobs coming in 1.21. Mojang has revealed lots of new information about this entity and trial chambers in Minecraft snapshot 23w45a. Let's get right into the patch notes for this new release.Minecraft snasphot 23w45a patch notes: All you need to knowChangesMonster Spawner now renders their inner faces when looking insideTechnical ChangesThe Data Pack version is now 24The Resource Pack version is now 21Data Pack Version 24Added experimental Breeze mobAdded experimental Trial Spawner blockIncreased maximum value of Jigsaw structure variable size from 7 to 20Added trial_chambers_copper_bulb_degradation structure processor listRresource Pack version 21uniform font has been updated to use Unifont 15.1.04 (from 15.0.06)The only supported texture format is now .pngBreeze MobAdded entity models and textures for experimental Breeze mob:breeze, wind_chargeAdded shader:breeze_windAdded Breeze mobBreeze mob is finally available in Minecraft (Image via Mojang)The Breeze is a cunning, hostile mob that can spawn via Trial Spawner in some rooms within the Trial Chambers in Minecraft.The Breeze moves primarily by leaping around the target, sometimes jumping quite long distancesAn aggressive adversary, the Breeze shoots volatile wind energy in the form of wind charge projectiles at its targetWind charges deal a small amount of damage when colliding directly with an entityAfter colliding with an entity or a block, wind charge projectiles produce a wind burst, which knocks back entities in the area by several blocksWind bursts also have the effect of 'activating' certain blocks:Non-Iron Doors and Trapdoors are flippedFence Gates are flippedButtons are pressedLevers are flippedBells are rung and swungLit Candles (both standalone and on cake) are extinguishedWind bursts do not have any effect on Iron Doors, Iron Trapdoors, or any block being held in its position by a Redstone signal.Trial Spawner in Minecraft snapshot 23w45aTrial Spawner is a new variant of Monster Spawners that ejects rewards upon completion and can have variable levels of challenge in multiplayerThe challenge level will increase for each new player a Trial Spawner notices nearbyChallenge level will not decrease until it is reset during a Trial Spawner's cooldownUnlike normal spawners, a Trial Spawner will spawn a limited number of mobs proportional to its current challenge levelIt can only spawn a mob at positions that are within line of sightIt can spawn a mob regardless of any light level requirement the mob hasSpawned mobs are persistentOnce all mobs are defeated, the Trial Spawner will eject a set of rewards proportional to the current challenge levelAfter the rewards have been ejected, the Trial Spawner goes into cooldown for 30 minutes during which it will no longer spawn mobsTrial Spawners cannot be crafted nor obtained by players in Survival - instead, they can be found naturally placed throughout Trial ChambersTrial Spawners are extremely slow to mine and resistant to explosions, and will not drop even with Silk TouchWhen placed in Creative, Trial Spawners have no mob type set by defaultThe mob type can be set by interacting with it while holding a Spawn EggCreative and Spectator players cannot be detected or noticed by Trial SpawnersTrial Chambers in Minecraft snapshot 23w45aTrial spawners spawning Breeze and skeletons (Image via Mojang)Trial Chambers are a new structure in the Overworld where players can explore and take on combat challenges during the mid-gameTrial Chambers are made out of a variety of Copper and Tuff blocks and can be found in different sizes from large to smallTrial Chambers are a relatively common find throughout the Deepslate layer of the undergroundThe layout of each Trial Chamber is procedurally generated, and can include traps, reward chests and a variety of combat spacesSupply chests can be found between different rooms, and give you blocks and items which help you navigate your trialsReward chests are guarded by challenges in each room, and can be a source of many high level enchanted books and equipmentThe loot found in reward chests are still being iterated, and are absolutely not finalEach Trial Chamber will include Trial Spawners with a melee, small melee, or ranged category:MeleeZombieHuskSlimeSmall MeleeSpiderCave SpiderBaby ZombieSilverfishRangedSkeletonStraySkeleton with Poison Tipped ArrowsEach Trial Spawner category will only use one mob for the entire structure when generated, and these mobs are randomized for each Trial Chamber:For example, one Trial Chamber might only spawn Zombies, Cave Spiders, and Strays, while another might only spawn Slimes, Silverfish, and Skeletons.The exceptions to this are some Trial Spawners in unique rooms which always spawn Breezes.Known issues in Minecraft snapshot 23w45aThe corridors sometimes end with a dead endAquifers, Lush Caves, and Sculk Veins sometimes intersect with the Trial ChamberTrial KeyAn item that can only be obtained from Trial SpawnersTrial Keys do not currently have any functionalityBugs fixed in Minecraft snapshot 23w45aThe following bugs have been fixed in the latest snapshot 23w45a:Drowned spawners only work in biomes where drowned spawn"RootVehicle" tag in playerdata entry is not upgradedFunctioning clock and compasses in crafting output slotNBT link/reference when using /fillText components in commands accept malformed JSONPunching a TNT Minecart in creative mode drops the minecartCompasses, Clocks and Recovery Compasses work normally within the output slot of the crafterSide Water texture on Copper bulbsMobs suffocate inside most copper grate block variantsCopper Doors and Trapdoors make generic metal sounds when placingLight can pass through copper bulbsCopper Bulbs do not cull faces correctlyMobs can spawn on oxidized or waxed copper gratesNo error message when granting/revoking an advancement that is already granted/revokedAccessibility button in the Welcome screen still needs its own stringCan't load .dat and .nbt files (server list & saved hotbar)Could not save data raids.dat and random_sequences.datIn the latest Minecraft snapshot, 23w45a, Mojang introduced the features showcased at Minecraft Live 2023. Armadillos are still in the concept phase and being worked on by developers. They won't arrive in Minecraft soon.Players can anticipate bug fixes and updates focused on Breeze and trial chambers in the near future.