Minecraft 1.21 update is finally nearing its official release, as Mojang has revealed the first pre-release for the Tricky Trials update. Usually, pre-releases mainly offer bug fixes related to major features, but Mojang has brought several exciting changes and features with 1.21 Pre-release 1 this time.With Minecraft 1.21 Pre-release 1, players can now use their leashes on boats and transfer ender pearls to other dimensions. Previously, both features didn't work as intended, but now they are finally fixed. Along with these two major fixes, Mojang also reverted a Fire Aspect enchantment parity that was going to be part of the Minecraft 1.21 update. However, developers have confirmed that it will return in a future release.Additionally, the mace's attack speed has been changed. Let's go over all the changes and fixes in Minecraft 1.21 Pre-release 1.Minecraft 1.21 Pre-release 1 patch notes: All you need to knowNew featuresOminous Trial SpawnerMobs removed by a Trial Spawner converting to Ominous state now drop any items they previously picked up from the groundChangesThere are some changes to the new Minecraft weapon mace and portals:Mace attack speed has been changed to 0.6Doors of different materials can now form a double doorEnder Pearls that are thrown through portals can now teleport players to a different dimension than the one they are currently inIt is now possible to ride entities such as Horses or Minecarts through portalsWhen riding entities through portals, the delay before teleporting is not appliedTechnical changesData Pack version is now 46Removed the entitiesWithPassengersCanUsePortals gamerule that was introduced last snapshot. Entity with passengers being able to use portals is now the default behavior.Report data generator now includes information about network packetsThe game will now store reports from failed chunks' loads and saves in the debug directoryServer linksThere are some generic-use link names, like "Support" or "Website", without any special functionalityData pack versions 42 through 46Added new configurable fields to jigsaw structures and single_pool_element typesEnchantmentsLevel-based valueslookupA Level-Based Value type that maps a list of values to specific levels, and applies a fallback if the level is greater than the number of values supplied. Fields:values - A list of values indexed by level - 1 to apply, if presentfallback - A fallback Level-Based Value to apply if the level is greater than the size of valuesEffect ConditionsUnlike with loot tables, all effect conditions need to be inline objects and cannot be references.TagsBlock tagsfire_aspect_lightable has been removedWith this snapshot, we are temporarily removing the functionality of lighting blocks on fire using the Fire Aspect enchantment, as we want to refine it further. This functionality will be reintroduced in a later release.Loot TablesConditionsrandom_chance_with_enchanted_bonuschance: field has been removedunenchanted_chance: new field for the chance for an unenchanted itemenchanted_chance: new field for the chance for an enchanted item - a Level-Based ValueStructuresAdded liquid_settings field to structures of type minecraft:jigsaw. Possible values:apply_waterlogging: If any waterloggable block overlaps with existing water, it will become waterloggedignore_waterlogging: Will not waterlog any waterloggable blocks that overlap existing waterDefault value is apply_waterloggingAdded optional field override_liquid_settings to single_pool_element element typeSame possible values as the liquid_settings in jigsaw structuresOverrides the inherited liquid settings from the parent jigsaw structure while generating this pool elementBugs fixed in Minecraft 1.21 Pre-release 1A long list of bugs has been addressed in Minecraft 1.21 Pre-release 1. This release has fixed another twelve-year-old bug, improved trial chamber generation, and more:MC-902 - The end obsidian platform resets every time entities go through the end portal, which can cause blocks to be deletedMC-50612 - Command blocks do not update when you place them near any source of powerMC-97087 - Attributes won't work in main hand if they were in offhandMC-114566 - Can't teleport back to the central island with End Gateway Portal on outer End islandsMC-148741 - Selection boxes in some screens are misaligned in comparison with their textMC-160140 - Shulker boxes on the obsidian platform are destroyed and do not drop when a player enters the EndMC-169698 - Blocks within igloo basements can generate waterlogged when generating in close proximity to waterMC-170907 - Network position deltas are processed relative to a wrong pointMC-172031 - Throwing an ender pearl into a Nether or End portal often has no effectMC-191591 - Saddles lose their NBT data when equipped on horses, zombie horses, skeleton horses, mules, or donkeys via right-clickingMC-265583 - Incorrect pluralization for skin customization strings for pantsMC-265818 - The "gamerule.doVinesSpread.description" string consists of grammatically incorrect word usageMC-266140 - The "Open link" button within the realms menu is improperly capitalizedMC-266471 - Trial chambers can intersect aquifers, causing some blocks inside the structure to be waterloggedMC-267050 - Chat disabled strings are missing verbsMC-267071 - The word "packs" within the "download.pack.failed" string is always pluralizedMC-267474 - Strings referencing the player's off hand are inconsistently spelledMC-267954 - World upgrade and downgrade realms strings are improperly capitalizedMC-268023 - The "selectWorld.experimental.details.title" string displayed within the experimental features details menu is improperly capitalizedMC-268185 - Copper grates in trial chambers are waterloggedMC-269921 - Wind charges can be thrown though cornersMC-270181 - Wind charges go through an entity if it is close to a playerMC-270572 - Programmer Art resource pack duplicates some GUI texture filesMC-270649 - The width of challenge advancements header is calculated in relation to the slash formatting of progress counter, causing overlap in some languagesMC-270795 - Mobs despawned by Ominous Trial Spawners can delete picked-up itemsMC-270821 - Regular Trial Spawners spawn the first mob with Ominous Trial equipment if they were last active as OminousMC-270981 - View Bobbing toggle is not available in Accessibility SettingsMC-271870 - random_chance_with_looting function base value is for enchantment level 1MC-271897 - End Portal makes items disappearMC-271929 - Applying multiple layers of "using_converts_to" will produce ghost itemsMC-271971 - Wind Charges sometimes don't prevent fall damageMC-272014 - Ender Dragon death animation is broken since 20w22a (and broken again in 20w45a)MC-272038 - The error "Can't access registry ResourceKey[minecraft:root / minecraft:game_event]" is sometimes in the log fileMC-272053 - The "armor_effectiveness" effect does not work with projectiles or indirect damageMC-272073 - Item displays with billboard and rotation values create major visual bugMC-272079 - Medium/small Slimes and magma cube's attack reach is too shortMC-272198 - Shulkers' models sometimes appear offset upon end-city generationMC-272253 - The strength of the riptide enchantment is increased when holding tridents enchanted with riptide in both handsMC-272258 - block.portal.travel sound now plays when teleporting to a different dimension using commandsMC-272264 - Narrator button in Accessibility Settings doesn't update upon pressing Ctrl+BMC-272267 - "Changes the blurriness of menu background" lacks punctuationMC-272279 - Resource packs containing TrueType fonts fail to load on x64 macOS systemsMC-272308 - Axolots can be attached to new leads when being already leashedMC-272311 - The enchantment glint sometimes doesn't render in interfaces and first personMC-272313 - The game crashes when attempting to open the realms menuMC-272315 - Serial comma is missing from the entitiesWithPassengersCanUsePortals game rule descriptionMC-272322 - When you are riding an entity through portals, you and the entity may teleport to the wrong placeMC-272328 - entitiesWithPassengersCanUsePortals game rule description is missing the proper term capitalizationMC-272329 - Riding an entity into portals may cause the game to softlockMC-272333 - The gamerule spawnRadius doesn't work anymore on respawn (always respawn at the same place)MC-272339 - Holding crossbows in both hands stacks quick chargeMC-272342 - Typo in mining fatigue attribute ID 'minecraft:effect.minining_fatigue'MC-272343 - Ender pearls don't work when riding an entityMC-272344 - When teleported by an ender pearl, the "portal noise fades" sound is playedMC-272347 - Upgrading from before 24w21a doesn't update structures saved by structure blocksMC-272355 - Ellipsis text is stringified within NBT text formatter list truncationMC-272361 - Minecarts and Passengers offset from block when riding through portalsMC-272364 - Players spawn one block above the obsidian platform when entering an end portalMC-272365 - Inventory Images of All Banners are Completely WhiteMC-272369 - Can respawn in a solid block with default spawnpointMC-272374 - 24w21b will not upgrade attribute_modifiers from previous versionsMC-272399 - Primed TNT entities can't go through an End portal anymoreMC-272400 - Shield in Inventory with Banner Shows as WhiteMC-272403 - Portal linking chunk loading changesMC-272406 - Crash when zombie tries to spawn second reinforcementMC-272408 - set_attributes item modifier can add the same attribute modifier twiceMC-272424 - Chunks occasionally have large dark areas in the skyMC-272427 - Flame, power, punch, and piercing enchantments no longer work on the last use of the itemMC-272430 - Breaking a Carrot/Warped Fungus on a Stick gives a damaged Fishing RodMC-272438 - End crystal entities can't go through an End portal anymoreMC-272442 - Comparator output of jukebox no longer persists on music disc finishMC-272445 - Command blocks made from Ctrl + Pick Block do not activate on first tryMC-272469 - When the wind charge, fireball, or shulker bullet is in the lava, it will continue to make a high-loudness noiseMC-272490 - @n can select dying entities, unlike @eMC-272515 - Component-Modified Saddles get their components wiped when dispensed onto a horse, mule, or camel.