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Minecraft 17w17b

Weekly work-in-progress build. Things break and get removed again. Version facts below are read from Mojang’s own files — the official manifest plus the version.json inside the jar.

Contents (4)
  1. What changed in 17w17b
  2. New in-game text
  3. Development cycle
  4. Neighbouring versions

Java What changed in 17w17b

Everything below is measured by comparing the game files of 17w17a with 17w17b — not copied from patch notes.

Minecraft did not ship a data generator until January 2018, so there is no registry of blocks and items to compare for a build this old. What is below is read from the game’s own client.jar: the text the game displays, and the textures, models and sounds it ships. New blocks and items almost always show up in both.

New in-game text 86

KeyText
advMode.selfUse "@s" to target yourself
advancements.adventure.adventuring_time.descriptionDiscover every biome
advancements.adventure.adventuring_time.titleAdventuring Time
advancements.adventure.kill_a_mob.descriptionKill any hostile monster
advancements.adventure.kill_a_mob.titleMonster Hunter
advancements.adventure.kill_all_mobs.descriptionKill one of every hostile monster
advancements.adventure.kill_all_mobs.titleMonsters Hunted
advancements.adventure.root.descriptionAdventure, exploration and combat
advancements.adventure.root.titleAdventure
advancements.adventure.shoot_arrow.descriptionShoot something with a bow and arrow
advancements.adventure.shoot_arrow.titleTake Aim
advancements.adventure.sleep_in_bed.descriptionChange your respawn point
advancements.adventure.sleep_in_bed.titleSweet dreams
advancements.adventure.sniper_duel.descriptionKill a skeleton with an arrow from more than 50 meters
advancements.adventure.sniper_duel.titleSniper duel
advancements.adventure.trade.descriptionSuccessfully trade with a Villager
advancements.adventure.trade.titleWhat a Deal!
advancements.end.dragon_breath.descriptionCollect dragon's breath in a glass bottle
advancements.end.dragon_breath.titleYou Need a Mint
advancements.end.dragon_egg.descriptionHold the Dragon Egg
advancements.end.dragon_egg.titleThe Next Generation
advancements.end.elytra.descriptionFind an Elytra
advancements.end.elytra.titleSky's the Limit
advancements.end.enter_end_gateway.descriptionEscape the island
advancements.end.enter_end_gateway.titleRemote Getaway
advancements.end.find_end_city.descriptionGo on in, what could happen?
advancements.end.find_end_city.titleThe City at the End of the Game
advancements.end.kill_dragon.descriptionGood luck
advancements.end.kill_dragon.titleFree the End
advancements.end.levitate.descriptionLevitate for at least 30 seconds
advancements.end.levitate.titleGreat View From Up Here
advancements.end.respawn_dragon.descriptionRespawn the ender dragon
advancements.end.respawn_dragon.titleThe End... Again...
advancements.end.root.descriptionOr the beginning?
advancements.end.root.titleThe End
advancements.nether.brew_potion.descriptionBrew a potion
advancements.nether.brew_potion.titleLocal Brewery
advancements.nether.create_beacon.descriptionConstruct and place a Beacon
advancements.nether.create_beacon.titleBring Home the Beacon
advancements.nether.create_full_beacon.descriptionBring a beacon to full power
advancements.nether.create_full_beacon.titleBeaconator
advancements.nether.find_fortress.descriptionBreak your way into a Nether Fortress
advancements.nether.find_fortress.titleA Terrible Fortress
advancements.nether.get_wither_skull.descriptionObtain a wither skeleton's skull
advancements.nether.get_wither_skull.titleSpooky Scary Skeleton
advancements.nether.obtain_blaze_rod.descriptionRelieve a Blaze of its rod
advancements.nether.obtain_blaze_rod.titleInto Fire
advancements.nether.return_to_sender.descriptionDestroy a Ghast with a fireball
advancements.nether.return_to_sender.titleReturn to Sender
advancements.nether.root.descriptionBring summer clothes
advancements.nether.root.titleNether
advancements.nether.summon_wither.descriptionSummon the Wither
advancements.nether.summon_wither.titleWithering Heights
advancements.story.cure_zombie_villager.descriptionWeaken and then cure a zombie villager
advancements.story.cure_zombie_villager.titleZombie Doctor
advancements.story.deflect_arrow.descriptionDeflect an arrow with a shield
advancements.story.deflect_arrow.titleNot Today, Thank You
advancements.story.enchant_item.descriptionEnchant an item at an Enchanting Table
advancements.story.enchant_item.titleEnchanter
advancements.story.enter_the_end.descriptionEnter the End Portal
advancements.story.enter_the_end.titleThe End?
advancements.story.enter_the_nether.descriptionBuild, light and enter a Nether Portal
advancements.story.enter_the_nether.titleWe Need to Go Deeper
advancements.story.follow_ender_eye.descriptionFollow an Ender Eye
advancements.story.follow_ender_eye.titleEye Spy
advancements.story.form_obsidian.descriptionForm and mine a block of Obsidian
advancements.story.form_obsidian.titleIce Bucket Challenge
advancements.story.iron_tools.descriptionUpgrade your pickaxe
advancements.story.iron_tools.titleIsn't It Iron Pick
advancements.story.lava_bucket.descriptionFill a bucket with lava
advancements.story.lava_bucket.titleHot Stuff
advancements.story.mine_diamond.descriptionAcquire diamonds
advancements.story.mine_diamond.titleDiamonds!
advancements.story.mine_stone.descriptionMine stone with your new pickaxe
advancements.story.mine_stone.titleStone Age
advancements.story.obtain_armor.descriptionProtect yourself with a piece of iron armor
advancements.story.obtain_armor.titleSuit Up
advancements.story.root.descriptionThe heart and story of the game
advancements.story.root.titleMinecraft
advancements.story.shiny_gear.descriptionDiamond armor saves lives

Showing the first 80 of 86 new strings.

Development cycle

This build was part of the run-up to 1.12. Everything tested here landed in that release.