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Minecraft 16w20a

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 (5)
  1. What changed in 16w20a
  2. New files in the game
  3. New in-game text
  4. Development cycle
  5. Neighbouring versions

Java What changed in 16w20a

Everything below is measured by comparing the game files of 1.9.4 with 16w20a — 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 files in the game

KindAddedRemovedTotal
Textures+1001,265
Models+1001,486

Textures added: blocks/bone_block_side blocks/bone_block_top blocks/magma blocks/nether_wart_block blocks/red_nether_brick entity/bear/polarbear entity/skeleton/stray entity/skeleton/stray_overlay entity/zombie/husk items/structure_void

Models added: block/bone_block block/magma block/nether_wart_block block/red_nether_brick block/structure_void item/bone_block item/magma item/nether_wart_block item/red_nether_brick item/structure_void

New in-game text 43

KeyText
death.attack.hotFloor%1$s discovered floor was lava
death.attack.hotFloor.player%1$s walked into danger zone due to %2$s
entity.ElderGuardian.nameElder Guardian
entity.Husk.nameHusk
entity.PolarBear.namePolar Bear
entity.Stray.nameStray
entity.WitherSkeleton.nameWither Skeleton
options.autoJumpAuto-jump
structure_block.button.detect_sizeDETECT
structure_block.button.loadLOAD
structure_block.button.saveSAVE
structure_block.custom_dataCustom Data Tag Name
structure_block.detect_sizeDetect structure size and position:
structure_block.hover.cornerCorner: %s
structure_block.hover.dataData: %s
structure_block.hover.loadLoad: %s
structure_block.hover.saveSave: %s
structure_block.include_entitiesInclude entities:
structure_block.load_not_foundStructure '%s' is not available
structure_block.load_prepareStructure position prepared
structure_block.load_successStructure loaded
structure_block.mode.corner[C]
structure_block.mode.data[D]
structure_block.mode.load[L]
structure_block.mode.save[S]
structure_block.mode_info.cornerCorner mode - placement and size marker
structure_block.mode_info.dataData mode - game logic marker
structure_block.mode_info.loadLoad mode - load from file
structure_block.mode_info.saveSave mode - write to file
structure_block.positionRelative Position
structure_block.save_failureUnable to save structure
structure_block.save_successStructure saved as '%s'
structure_block.show_airShow invisible blocks:
structure_block.show_boundingboxShow bounding box:
structure_block.sizeStructure Size
structure_block.size_failureUnable to detect structure size, add corners with matching structure names
structure_block.size_successSize successfully detected
structure_block.structure_nameStructure Name
tile.boneBlock.nameBone Block
tile.magma.nameMagma Block
tile.netherWartBlock.nameNether Wart Block
tile.redNetherBrick.nameRed Nether Brick
tile.structureVoid.nameStructure Void

Development cycle

This build was part of the run-up to 1.10. Everything tested here landed in that release.