Minecraft Discontinued Features Wiki:Needed Pages

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These are known discontinued features or methods that currently have no wiki page on them. Feel free to add entries to bulleted lists and provide a minimum amount of information to fully reproduce the discontinued feature/method (video link, bug report via {{Bug}}, or even a message link to our discord server).

Please do not create a blank or mostly empty page about these subjects, instead try to add at least a decent amount of information to begin the page and add the {{WIP}} template if necessary. Also, keep in mind that the suggested page titles may not always be the best names.
More info about some features can be found under same links on version pages.

Java Edition

Items

  • Manipulated Explorer Map (zoomed out done, but copied still needs work)
    • expanded/copied, see old discord messages in PuffingFish HQ Discord: [1]. Still needs more [test] and may need multiple pages
  • Golden Apple‏‎‏‎
  • Anvil produced items.
    • In 12w41a and 12w42a to 1.4. In 12w41b anvils did not work at all, temporarily discontinuing items with any repair cost (including tools).
  • In version 18w21a, attempting to combine an enchantment to an item (other than books) will add the enchantment as {ench: []} nstead of {Enchantments: []} This can be combined with regular enchantments as well
  • uncensored items in Minecraft China - taking a regular world containing items with normally censored names (Taiwan as an example), and updating it to the China equivalent
  • Extra durability golden hoe
  • pre-18w21a enchanted items. As of 18w21a ench tag is converted to Enchantments and numeric enchantment IDs are converted to string IDs. This can be skipped that by directly upgrading from ~1.12.2 or earlier to ~21w03a-21w19a.
  • Ocean explorer map MC-176348
  • Hoes can be enchanted from 20w10a with Silk Touch, Efficiency and Fortune (recontinued because of 12w49a)
  • Invalid block color on the map MC-186600 20w13a non yellow bee nest maps
  • Map markers MC-133294
  • Custom dyed banners (except end city ones) MC-106067
  • Shulker Box with Shulker Box ID Inside BlockEntityTag
  • Discontinued ominous banners: MC-151793 MC-140565 MC-151793
  • Magenta/Lime banner MC-122350 affects 17w47b only
  • Empty Item Tag Bundle MC-206628
  • Incompatible enchantments using downgrading
  • No LodestoneTracked tag lodestone compass
  • Negative Durability Crossbow link
  • Negative Durability Shield link
  • Disc 11
  • Deepslate coal ore [test]
  • No nbt items from obaat

IDV Items

  • Invalid Data Value Fence (Item)
  • Invalid Data Value Furnace (Item)
  • Invalid Data Value Hay Bale (Item)
  • Invalid Data Value Infested Stone (Item)
  • Invalid Data Value Jack o' Lantern (Item)
  • Invalid Data Value Leaves2 (Item)
  • Invalid Data Value Pumpkin (Item)
  • Invalid Data Value Sapling (Item)
  • Invalid Data Value Locked Chest (Item)
    • Found on the Downgrade category.
      • Downgrading stained glass from 13w41a or later to before 13w36b-2 would create locked chests with invalid data values.

Item Duplication Methods

Entities

  • Tipped Arrow Without Particles (Entity) MC-84260
  • Waterlogged Falling Dripstone https://www.youtube.com/watch?v=c2bCLCLgNHY
  • Baby Piglin Holding Leather MC-197179
  • Named Non-Persistent Mob MC-27535
  • Persistent Zombified Piglin and Persistent Zoglin
    • From 20w07a to 20w08a because of MC-172516
    • Zombified versions require upgrading to later version ([test] exact version)
  • Named Bunny With No Persistence
    • 14w27a-14w33c In the snapshots that allowed for killer rabbit spawning there's an even rarer type of rabbit. These look exactly the same as regular rabbits but have the name "entity.KillerBunny.name".
  • Ownerless Projectile
    • Can be obtained upon updating from 1.12 to 1.13, projectiles used nick to assign owner, now it's UUID.
  • Extra Health Silverfish in beta pre 1, silverfishes spawned with 20 health instead of 8
  • Non-Persistent Enderman Holding Block MC-124812
  • Mob angry at (may be not discontinued, [test] all) MC-56744
  • Multiple Ender Dragons Chunk resetting, MC-83001, MC-85951, sending dragon to unloaded chunks
  • Every mob that pick ups items can be made persistent by going into version where this item does not exist or giving negative items, same for blocks with endermans
  • Armor stand with too long on fire time MC-65580 [test]
  • Armor stand below void MC-65621
  • NaN Motion Shulker Bullet MC-83838
  • sth wrong with old villagers MC-54842
  • Non persistent jockey holding holding gold nugget MC-174195
  • Persistent chicken jockey MC-182308
  • Persistent zombie villager MC-183860
  • Vindicator Holding Wooden Axe MC-146876
  • Leash knot attached to no entity MC-16663 MC-96347
  • Non-persistent mobs with custom equipped armor MC-124815
  • Splash potion entity with effects MC-92559
  • Armor Stand with Inflicted Effect MC-91050
  • Wild and Hostile Wolves can be leashed MC-15707
  • Non-hostile wild wolves and ocelots cannot be put on leashes MC-104778 check if this is a bug or it existed always.
  • Johnny Vindicator with Invalid Name
  • Human
  • Damage 6 Phantom MC-154372
  • Canpickuploot0 mob with invalid enchantments on gear MC-124948
  • Item frame and Painting/two paintings on the same block
  • Horses, rabbit, parrot, llamas and sheep generate with default color / variant only MC-124913
  • Desert rabbits were the wrong color, but now they are missing MC-128071[test]
  • Skeleton horseman with additional armor MC-208406
    • One page with "Mobs with only certain armor pieces"?

Need More Info

  • Mobs with only certain armor pieces
  • Different HP/armor resistance Zombie Pigmen???
  • Hardened concrete falling sand entity, 16 variants (Video)
  • All gravity block falling sand entities, and gravity block swaps like hard concrete (eg. Gravel, dragon egg, anvil, sand, concrete powder)
    • Can be made permanent entity using bubble column, cobweb, slime block contraption, block 36, etc
  • Zombie Pigman Villager - In 12w32a, zombie pigmen would spawn missing part of their skull texture. This signified the IsVillager tag, and a profession. This pigman is possible to be cured
    • Villagers In The Nether Pre 12w34a - This requires zombie pigmen from before 12w32a to be updated to 12w32a, at which point they will convert to villagers due to a presumed curing bug

Recontinued

Blocks

  • Frozen Tick Chunk FX video
  • Level 7 composters can be preserved if pushed by a piston before 19w04a, and do not convert to level 8 composters in subsequent versions
  • Instant Tile Tick
  • Iterrupted scheduled tick in b1.9p5 by relogging
  • Cactus Next to Any Block additions: MC-72368 MC-135371 MC-123365 MC-123051
  • Dry sponge next to water: MC-126930 MC-131397 MC-127111 mcw:Sponge#History
  • Skull Update Suppression
  • Flowing Water Without Water Source MC-218587
  • Additional Entrance Gateways
    • Using block entity deletion, you could replace exit end gateways with new entrance gateways, allowing one-way connections from the main island to the outer ring.
  • Incorrect Loot Table blocks
  • Bark
  • Dry sponge adjacent to waterlogged water plants
    • From Beta 1.5_02? to Beta 1.5_02 (server exclusive)
  • Leaves with decay tag
  • Floating water columns
  • Snow layer on different blocks
  • Pressed Wooden Button
  • Double wall state bell
  • Infdev Sign
  • Budded Powered/Activator Rails‏‎
  • Different Height End Portal
  • Incomplete End Portal
  • Invalid Data Value Leaves (Block)
  • Jungle Leaves (Block)
  • DFs possible by Marpace/Panda 1994 machinery
  • Bookshelf
  • Jungle Sapling (Item)
  • Flowers
  • Jungle Sapling
  • Stone Brick Slabs

Light Level

  • Light suppression
  • Waterlogged blocks does not decrease light level MC-125462
  • From 13w05a-1 to 13w05a-2 destroying jukebox with disc inside crashes game, leaving dark spot below jukebox.

Single Block

  • Has disc true jukebox with no disc inside and vice versa
    • Block transmutation
    • Enderman placing DV 1/has disc true jukebox
  • bottled brewing stand with no bottles inside and vice versa possible with block transmuation, exactly 56 combinations (8 DVs * 8 bottle combinations - 8 valid combinations)
  • No Burn Time Lit Furnace
    • Placing lit furnace (by player using item or by enderman)
    • 6 sided piston
    • From Beta 1.7 to Beta 1.8.1, placing a furnace in front of a piston, budding it, and then starting to smelt something, pushes the lit furnace and makes it perma lit.
  • Attached tripwire with no opposite attachements MC-241191 MC-122188
  • Directionless wall MC-241196 MC-122188
  • Redstone Connected Only to One Side MC-189895
    • Can be made "up" if using chunk regeneration redstone with air above is going to be made facing a full block, then redstone can be placed on that block.
  • Liquids On Layers Y[test] to Y[test]
  • Undestructible, unmovable, unreplicable blocks in invalid places
    • Generation changes, block items, unbreakable block removal methods, piston pull bug, changing fountain position by placing/destroying blocks
    • List of random bugs: MC-92289 MC-184093
  • Sideways acacia, jungle, birch, dark oak and spruce log MC-56893
  • Jukebox with disc inside MC-77030
  • JE:Invalid Data Value Stone Button (Block) putting button on top of a block while there is a block next to a button, will make it have DV 6. Alpha v1.0.1_01
    • Prob replicable with update suppression
  • Powered Daylight Sensor in the End/the Nether
    • Placing daylight sensors in the nether prior to 13w02a leaves them powered.
    • Arrow transmutation
  • Open unpowered iron door by upgrading to 14w04a+
  • Open unpowered iron trapdoor door to 17w47a+
  • Chorus plant connected to nothing/only top
  • Powered closded iron door
  • idv doors
  • Palette corruption
  • Cocoa beans outside of jungle biome ig MC-82880

Block Entities

Outside World Border Stuff

  • Dragon egg can teleport to outside the world border MC-231666
  • You can set your spawn point outside the world border using a bed or respawn anchor MC-147122
  • Half bed can be placed outside the worldborder MC-117800
  • Can place/take water/lava/lilypads outside worldborder and inside spawn Protection MC-54119
  • Can get out of 30,000,000 area MC-50888
  • You can get outside of the worldborder by mounting a rideable entity (boat, pig, etc.) outside of it MC-53444
  • Boats can be placed outside the worldborder MC-113420
  • Exiting a minecart / boat can put the player outside the border MC-73361
  • Player can interact with entities outside the worldborder MC-113425

Non-waterlogged blocks between source blocks

  • This used to be normal up to 18w14a~
  • Chains
  • Lighting rods

Generation

  • Some blocks in ocean ruins generate with waterlogged:false MC-126993
  • stalagmites with air in the water MC-241240

Floating Support Blocks

  • Removing a block with a Redstone Torch on it will not remove the Redstone Torch MC-5711
  • Floating torch (and other blocks) MC-56941
  • Torch placed on half block when placed against half-slab MC-51856
  • Floating block using any plant MC-19886
  • Double-tall plants do not cause updates when broken MC-31038
  • Vines are placed on opposite side MC-57178
  • Lever on Slab is upside down MC-57829
  • Lakes generate through village MC-125004
  • Wrong Orientation for fire created on nonflammable block's side MC-57939
  • Flint and steel and fire charges can place fire at invalid positions MC-4923
  • Dispensers and Flint & Steel MC-8232
  • Preexisting vines on east and west sides of blocks are rendered at the wrong face of the block (floating) MC-76614
  • From 17w47a to some version beds needed support.
  • Vines orienting improperly in inside corners MC-50729
  • Sea pickles don't need a support block MC-129249
  • Coral Plants don't break if the block underneath them is removed MC-127017
  • Sticky piston does not update gravity blocks MC-134555
  • Plant placement in pre-classic to indev.
  • Ladders can be placed on any block when used with stairs MC-118194
  • Gravity-affected blocks, such as sand, do not fall when the block underneath them is pulled by a piston MC-123159
  • Torches in mineshafts/strongholds are not always attached MC-124966
  • Glass panes, fences, iron bars and cobblestone walls sometimes fail to upgrade MC-125625
  • Upgrading turtles or advanced turtles from minecraft edu converts them to banners, to have wall mounted banners, normal banners must be downgraded previously
  • Spore blossom and hanging roots, only in 21w10a MC-213764
  • Sticky piston and minecart track interaction glitch MC-26727
  • https://www.youtube.com/watch?v=yyWTc424daA
  • Both floating and on invalid block - Downgrading redstone from a1.0.1_01 to inf630-2, turns it into gear, you can remove the block below gear, after upgrading back redstone will be floating
  • Ceiling Lever requires any block next to it to not be destroyed, after updating its on the ceiling with invalid support/no support.
  • Invalid Data Value Stone Button (Block) transforms into normal button, can be floating afterwards
  • It is possible to create floating twisting and weeping vines MC-197710
  • JE:Block Replacement Bypass
  • Updating JE:Invalid Data Value Stone Button (Block)
  • 14w26b
  • in 17w48a pistons can pull carpets on top of invalid blocks
  • Some Mangrove Propagules float after leaves decayed MC-249195
    • May require downgrading

Generation

  • Village lamp post floating torches MC-2512
  • Akward Stronghold torch placement MC-7010
  • Village lamp post torches attached to wrong block. MC-18202
  • Torches placed by world gen are unattached (Villages, Stronghold, Mineshaft, End exit portal) MC-59928
  • Cocoa Beans have wrong orientation MC-57822
  • Parts of structures replaced by water or lava lakes MC-81467
  • Grass / Flowers / Snow are placed incorrectly in newly created chunks MC-610
  • Pointed dripstone can generate floating at transitions between local water levels MC-214797
  • Bamboo grows in lots of inappropriate places in Bamboo Jungles MC-137452
  • Floating grass can still generate above lava lakes MC-225895
  • Floating grass can still generate above water lakes MC-227064
  • Floating mineshaft rails due to overlapping structures MC-125343
  • Flotaing Pointed dripstone blocks MC-228990
  • Amethyst crystals generate floating if clipping into another structure MC-204163
  • Terrain can generate inside of structures, such as village houses; grass spawning on floor MC-140727
  • Snow layers can still generate floating over lakes MC-225843
  • Glow lichen can generate floating inside underground structures MC-212146
  • Vines can sometimes generate floating when intersecting underground structures MC-231189
  • Vines can generate floating in midair MC-227319
  • Procedurally generated bells in villages do not connect to blocks correctly MC-140940
  • Bells in abandoned villages have incorrect block state MC-169827
  • Strongholds generate floating and without walls, floors, or ceilings when inside caves MC-214814
  • Cocoa Bean Glitch MC-58749
  • Vanilla structure files aren’t updated yet causing missing/wrong blocks MC-122188
  • Cave Vines can generate without supporting blocks MC-218817 MC-228900
  • Plant is unsupported when a mineshaft generates under it MC-218726
  • Back of ladder missing - stronghold generation MC-25378
  • Trees from old chunks get cut off at new chunks MC-241592
  • Abandoned Mineshafts don't delete dripstone in certain situations MC-216589

Support Blocks on Invalid Blocks

  • Can't place doors, rails, buttons, pressure plate, redstone, etc. on soul sand MC-139497 MC-146928
  • Inconsistency: Ladders and tripwire hooks cannot be placed on the sides of redstone blocks, observers and target blocks MC-146824
  • Torches can't be placed on iron bars or glass panes MC-131122
  • Cannot place sea pickles on soul sand MC-174479
  • Torches don't place properly, get instantly moved to adjacent wall MC-1611
  • Torches can be placed on transparent blocks, technical blocks, slabs MC-58740
  • Placing torches on other torches MC-57714
  • Dead bush on dirt by upgrading shrub
  • Snow layers on barriers MC-117063
  • Using bone meal on anything underwater places sea grass on it MC-132312
  • When removing water from base of Small Dripleaf, the block stands without water untill a block update MC-223422
    • Dripleaf can be placed on farmland in 21w43a+
    • From 21w43a restricted big dripleaf placement to clay, grass blocks, dirt, farmland, moss blocks, rooted dirt, podzol and mycelium.
  • Weeping vines plants can be replaced by weeping vines "sapling" (small block) by just right-clicking MC-173160
  • Big Dripleaf can be rotated incorrectly by breaking and replacing it MC-213899
  • Weeping and twisting vines, bamboo, and kelp can be replaced by "saplings" by breaking and placing the block at the same time MC-171739
  • Weeping and twisting vines can replaced by any block MC-173783
  • Can't put flower pots on glass blocks MC-112624
  • Flower pots can be placed on EVERYTHING, even air MC-127036
  • Plant placement in classic to indev.
  • Lily pads can now be placed on ice and frosted ice, but will not stay MC-91128
  • Small support blocks don't break when trapdoor opens in 17w18a
  • Vines under trapdoors block them MC-117008
  • Vines cannot be placed below non-solid blocks MC-118221
  • Strange vines behaviour MC-117960
  • Vines use opposite facing value when trying to spread in corners MC-117960
  • Levers / buttons placed on the trapdoor are dropped if pressed MC-117118 recontinued, read first comment
  • Tripwire Hooks and Ladders can be placed on blocks that they should not be able to MC-117331
  • Ladders can be placed on transparent blocks if a solid block is nearby MC-117605
  • Cannot place levers on hoppers anymore MC-117481
  • Ladders only go on adjacent block MC-117638
  • Ladders can't be placed above each other/drop when receiving block update MC-117628
  • Levers cannot be placed on pistons anymore, 17w47a changelog
  • Ladders can be placed on any block when used with stairs MC-118194
  • Kelp can be placed on transparent and non-full blocks MC-125617
  • Wither roses can be placed on unusual blocks like hoppers MC-138022
  • No longer able to place buttons or levers on pistons MC-122327
  • Buttons and levers can be placed on the bottom of hoppers MC-132313
  • Vines cannot exist on the sides of glass or stained glass, but can on other transparent blocks MC-146357
  • Snow can be placed on top of fully grown wheat MC-165212
  • Torches can be placed on azalea MC-219964
  • Some blocks should not be placed on azaleas (vanilla parity) MC-220814
  • Blocks not converting correctly from 1.12.2 to current snapshot MC-130140
  • Can't place buttons on top of redstone blocks MC-72524
  • Cannot place buttons under stairs or slabs, or ontop of upside down stairs or slabs MC-45537
  • Levers Pop Off Non-Solid Blocks MC-59360
  • Rails floating on top of end portals MC-236453
  • Plants and mushrooms can be placed on top of snow from 1.18exp2 to 1.18exp7
  • Cocoa beans can generate on invalid blocks MC-229238
  • Can't put Flower Pot on Piston MC-70306
  • Railroad track and minecart spawn on spider web MC-238351
  • in inf607 you could place ladders anywhere
  • Upgrading old worlds causes vines to have the wrong block state MC-239856
  • Unloaded dragon egg can replace any support block
  • Candles could be placed on non solid blocks before 20w48a
  • Can't place bells, buttons, lanterns, levers, torches, redstone torches, or doors on top of hoppers MC-122352
    • It was changed in 17w47a~, later in 1.14 you also cannot place doors that can be visually placed like doors
  • Fire can no longer be placed on hoppers MC-150759
  • in 17w48a pistons can pull carpets on top of invalid blocks

Generation

  • Flowers can generate on large plants near lakes MC-225842
  • Water below lily pads is replaced by wooden planks village paths MC-113898
  • Lily pads generate on blocks within structures MC-227607
  • Lily pads can generate on land MC-138178
  • Bamboo grows in lots of inappropriate places in Bamboo Jungles MC-137452
  • Pillager outposts can spawn with grass on the ground floor MC-139696
  • Dead bush generating on orange (and possibly blue) terracotta in desert temple MC-170074
  • Dead bushes generate in water MC-198993
  • Desert village generates cactus blocks at invalid locations MC-136967
  • Grass, flowers and berry bushes can generate on path blocks in villages MC-140242
  • The tall grass in the plains village structures doesn't take the block it spawns on into consideration MC-140936
  • Village paths generate under and around sugar cane MC-127124
  • Flowers/tall grass being placed on top of Gravel by the World Generator MC-3437
  • Grass, ferns, and flowers still generate on the wrong blocks on village paths MC-226592
  • Savanna village farms generate crops on grass and dirt paths MC-149057
  • Pre 1.14: Terrain inside villager hut MC-23830
  • Terrain can generate inside of structures, such as village houses; grass spawning on floor MC-140727
  • Pillager outposts can spawn with grass on the ground floor MC-139696
  • Grass & Flowers can generate on the magma and netherrack from ruined portals MC-226027
  • Grass, tall grass, flower, double flower, fern, large fern and tree can generate on sand or gravel MC-225850
  • Kelp can sometimes generate with two tops MC-125222
  • Kelp spawns on trapdoors, stairs, slabs and chests on sunken ships MC-128336
  • Sea grass, kelp and coral can be generated on magma blocks MC-126557
  • Kelp generates on top of Magma Blocks MC-185605
  • The base of farms in desert villages are composed of dirt MC-15990
  • Bamboo can generate on melon MC-137734
  • Bamboo could generate underground when generating in non-bamboo jungles MC-145376
  • Dead Bush can generate on sandstone MC-237800
  • Grass & Flowers can generate on the magma and netherrack from ruined portals MC-226027
  • Glow berry bush naturally generated on amethyst bud MC-238870
  • Cave vines can generate hanging on pointed dripstone MC-222154
  • Cave vines can sometimes generate hanging on cobwebs MC-231272
  • Decorations can occasionally replace parts of mineshafts when generating MC-221311

Full Block

  • Full Block Cactus
  • Full Block Leaves MC-116974 MC-161132
  • Full Block Scaffolding MC-138982
  • Full Block Conduit MC-128311
  • Full Block 7 Snow Layers MC-80551
    • Only affects top
  • Full Block Lectern MC-141991
    • Only affects top
  • Full Block 8 Snow Layers
    • Doesnt exist probably (ask crab)
  • Full Block End Portal
  • Full Block Soul Sand
  • Full block glowstone, glass, panes, leaves MC-116974
  • Stair side MC-117166
  • Grindstone MC-138567
  • Stonecutter MC-138567
  • Full Block End Portal Frame MC-3634
  • Wall-mounted banners / skulls are treated as full blocks MC-123067

Fire

  • Fire on Soul Soil [2] [3] [4]
  • Cannot set the top of soul sand on fire MC-170836
  • Lava spreads blue fire at invalid locations MC-170954
  • Flammable blocks can catch on blue fire in Soul Sand Valley biome MC-171614
  • when crimson roots on soul soil are caught on fire it is blue fire MC-170950

Invalid Nether Portal Configurations

  • Nether portal doesn't fully break when one or more blocks are destroyed MC-30897 Unbreakable block removal method or TNT can be used
  • Nether portal blocks do not generate correctly MC-122235
  • X-axis portals break when upgrading from 1.12.2 when certain blocks are above/near them

Floating Gravity Blocks

  • Floating block using any plant MC-19886
  • Floating anvil using TNT MC-39825
  • Pumpkin and melon vines disappear on logout/relog MC-87215
  • Sticky piston does not update gravity blocks MC-134555
  • 2 block tall flowers generated in previous version removes the 2nd block MC-62140
  • Sand could be placed on top of 2 block tall plants.
  • Placed gravity blocks at specific coordinates at extreme distances (e.g. world border) would not fall (1.7.10) - research needed

Touching Mushroom Faces

Invalid Flowing Liquid

  • Waterlogged trapdoors do not update properly when opened MC-133871
  • When their block state changes, waterlogged blocks don't remove water they let through MC-126998
  • Placing a slab to stop the water flow doesn't remove the water MC-133154
  • Lava flows towards gaps even if they can't be reached MC-46034
  • Water sources do not target low level areas six or more blocks away from them when flowing MC-219909
  • Sugar cane can be placed underwater MC-929
  • Water in tall sea grass doesn't flow MC-130890
  • Force-waterlogged blocks don't spread water MC-125297
  • Conduits are waterlogged when placed out of water MC-128236
  • Waterlogged dripstone does not update MC-206790
  • Blocks that are placed in downwards flowing water don't properly update water flow MC-133817
  • Water updates are inconsistent MC-126327
  • When Ice is melted the water doesn't flow MC-6674
  • Sponges suppress updates, can cause crash MC-122171
  • Waterlogged water goes through Stairs MC-126927
  • Water flowing onto waterlogged blocks spreads outward, rather than stopping MC-127093
  • Water doesn't flow when on top of empty waterlogged blocks MC-128844
  • Water flow search mechanics doesn't count waterlogged blocks as closest flow destinations MC-133093
  • Shortest flow path of water attempts to go through blocks that can be waterlogged MC-129772
  • Flowing water doesn't update properly when sponges soak up a source block MC-127112
  • When their block state changes, waterlogged blocks don't remove water they let through MC-126998
  • Sticky pistons do not update blocks they cannot pull MC-133233
  • Water does not flow out of waterlogged scaffolding MC-143177
  • Water sometimes flows in unexpected directions MC-42387
  • Water incorrectly flows toward holes/lower levels, even when they're covered. MC-136107
  • Waterlogged blocks don't help create new water source blocks or react with lava MC-126137
  • When putting a sign in front of water it keeps running MC-5770
  • Air Blocks floating in Water MC-954
  • Water source block gets destroyed when water flows on top of it MC-128860
  • Water does not flow sideways when there’s no block below it MC-128690
  • Water source block gets destroyed from downwards flowing water MC-130530
  • Sea grass changes to air pockets when upgrading from 18w16a to 18w20a+ MC-129625
  • Kelp isn't completely removed when sponge removes the water MC-127099
  • Water doesn't destroy carpet MC-131706
  • Waterlogged Scaffolding keeps Waterlogged state when falling MC-139175
  • When there is water above a water source, other water sources adjacent to the water source flow outwards MC-144929
  • Water with blocks above will convert to flowing water for no reason MC-149207
  • "Chain Blocks" don't have a "waterlogged" state MC-178817
  • Water behaves as if moss blocks were air MC-213789
  • Bonemealing big dripleaf in flowing water doesn't update the water MC-219445
  • Liquids sometimes do not propagate MC-236621
  • Floating water above tall grass MC-236641
  • Hanging roots MC-213816
  • 21w05a none moving water source MC-214039
  • Cave vines can generate into water MC-237951
  • Non flowing water from coral floating coral goes to floating support blocks

Generation

  • Water can border caves on chunk borders MC-124988
  • Villages spawn on top of floating islands, holes, and ravines MC-140383
  • Village structures generate over air blocks MC-140452
  • Plains and Desert village farm generates without support blocks for water MC-140780
  • Amethyst Geodes cause floating water/lava to generate when intersecting water/lava caves/pools MC-203712
  • Floating water / lava above caves / cave carver doesn't update water MC-32813
  • Still lava generates near Nether lava ocean MC-174147
  • Isolated water block floating in mid-air MC-132285
  • A water cross generated over a crevices MC-127874
  • Floating water caves in caves under the ocean MC-223227
  • Lava blocks from "Lava Aquifers" don't get updated when a cave cuts through underneath them MC-223840
  • Lava can generate floating in caves MC-226313
  • Non updated lava layers that rarely generate in Nether wastes, crimson forests, and warped forests MC-164224
  • Old cave and ravine generation gets cut off unnaturally on chunk borders near water MC-125033
  • Floating water due to river biome over ravine MC-34193
  • Floating water generates excessively in lush caves MC-218655
  • Aquifiers sometimes create air pockets MC-214799
  • Some water in caves will not start flowing MC-215139
  • Water generates wrong when next to land and needs to be updated to work. MC-5128
  • Liquids in generated structures don't update MC-125106
  • Farmland water not updated in slopes MC-140619
  • Ocean ruins and shipwrecks spawn with air pockets MC-126784
  • Water not filled in above ocean ruins MC-139694
  • Dungeons that generate at lava level will cut through the lava creating an unnatural wall MC-237163
  • Liquids in aquifers occasionally do not flow correctly MC-237671
  • Air pockets can be made when a large amount of sand is updated under coral MC-237738
  • Water from old chunks don't properly propagate into new chunks MC-239884
  • 14w26b
  • Infdev and Alpha holes in the world below y=0 after conversion since 21W43A MC-240030
  • Floating water generates around ravines MC-241413
  • Villages can cause water within swamps to generate in invalid states on slopes MC-248628

Water Touching Lava

  • 17w17b water flowing around lava w/o cobblestone
  • Lava on top of water doesn't turn water into stone MC-127079
  • In 0.0.12a_03, water could naturally generate under lava.
  • Water could normally touch lava before Infdev 20100617-1.
  • Third level of flowing lava will not create cobblestone when coming into contact with water MC-4641
  • Lava does not always turn down to obsidian when mining magma block MC-126297
  • Water and lava influence the flow direction of each other when touching MC-127100

Generation

  • Lava can appear under the ocean MC-126285
  • Water does not generate obsidian during the world generation MC-123150

Invalid Bubble Column Arrangement

  • Bubble columns stay when removing magma block MC-125378
  • Bubble columns are not created when pouring water over magma block MC-125770
  • Bubble columns don't update when placing magma blocks or soul sand above them MC-126685
  • Non-existent Bubble Column - Placing 3 or more blocks around the water source immediately above soul sand or magma will not create a bubble column from 18w07a to at earliest 18w08a. Updating this to 1.13.2 will sometimes not update the water, resulting in no bubble column where there should be one.
  • No bubble columns before 18w07a
  • Bubble column starting only from 2 water blocks in first versions
  • Bubble columns made by Soul Sand only appear every other block MC-126656
  • Waterlogged blocks such as fence sign ladder etc, will not allow bubble columns to spawn next to them MC-127593

Generation

  • Magma blocks do not initially generate bubble columns in ruins MC-126507

Concrete Powder Next to Water

  • Concrete powder does not turn into concrete when letting it fall beside water MC-150575

Half Block

  • 2 block tall flowers generated in previous version removes the 2nd block MC-62140
  • Bed can overlap when placed on grass MC-71163
  • When placed next to a cactus, the head of bed remains same MC-59303
  • Mushrooms and crops cause bed to drop; leaves "head" of bed behind MC-105898
  • Mushrooms and Crops cause double plants to drop; leaves "head" of plant behind MC-108749
  • Observer block causes bottom half of bed to break MC-107600
  • By placing a bed at the same time as throwing it away makes it a half bed. MC-1318
  • Spinning while placing a bed creates a triangular bed MC-1547
  • Sometimes beds take strange shapes when placed MC-122154
  • Placing double-grass on the lower half of a double-grass block removes the upper half MC-123138
  • Big dripleaf stem remains after breaking a stem or leaf above it MC-214838
  • Double plants can be placed at and grow at y = 255 resulting in incomplete double plant MC-70010
  • When grass / ferns / fungi are bonemealed as if to grow past the build limit y=255, there is no warning, and the taller part of the plant is cut off. MC-184433
  • Cave vines can generate without tip because prioritize_tip option is negated MC-237950
  • https://www.youtube.com/watch?v=yyWTc424daA
  • Unloaded falling dragon egg can make half blocks
  • Double chests becoming invisible or separating with redstone MC-133325
  • Mangrove tree roots do not update blocks around them when generating MC-249928

Generation

  • Parts of structures replaced by water or lava lakes MC-81467
  • Tall seagrass only generates lower part when ocean monument is in the way MC-125654
  • Farms in savanna villages can spawn inside of village houses MC-149573
  • Lakes generate through village MC-125004
  • Terrain can generate inside of structures, such as village houses; grass spawning on floor MC-140727
  • half-sunflower MC-59092
  • Double plants get generated without bottom part MC-62093
  • Kelp can sometimes generate with no top MC-128102
  • Sea grass doesn't generate correctly above stairs MC-127969
  • Sea plants generate directly under or cut off by ocean ruins MC-127038
  • Bottoms of large ferns and tall grass are generating in place of regular ferns and grass in taiga biomes MC-124955
  • Vanilla structure files aren’t updated yet causing missing/wrong blocks MC-122188
  • Upper half of tall grass can generate without the lower half in villages MC-239241
  • Decorations can occasionally replace parts of mineshafts when generating MC-221311
  • Rooted dirt can replace cave vines MC-243190

Invalid Wall/Pane/Iron Bar/Fence Connections

  • All full block stuff
  • Wall Connected to Nonfull Block‏‎
  • Wall Disconnected from Iron Bars‏‎
  • Wall column not updating
  • Conduit connects to iron bars and glass panes MC-128393
  • Fences/panes/walls/bars/torches connect to a number of non-solid blocks MC-115805
  • Glass panes connect to sea lanterns and glowstone MC-149635
  • Glass panes & iron bars no longer connect to glass MC-117015
  • Wooden fences connect to nether brick fences MC-116650
  • Glass panes & iron bars no longer connect to glass MC-117015
  • Fences and walls now connect to melons, pumpkins, and jack-o-lanterns MC-117450
  • Pushing blocks with connections doesn't update them MC-122270
  • Fences and walls connect to closed shulker boxes MC-158911
  • Fences and walls do not connect to the bottom of shulker boxes MC-164695
  • Blocks that connect don't connect to honey blocks MC-163077
  • Fences do not connect to dirt paths MC-226498
  • Blocks not converting correctly from 1.12.2 to current snapshot MC-130140
  • Waterlogged walls "connect" to water source blocks above MC-138402
  • Stacked walls create pillars when they should not, depending on the order of placement MC-170846
  • Soul "Lights" do not update walls MC-170862
  • Walls don't stack properly in some directions when placed next to blocks MC-171023
  • Walls don't create pillars with string / tripwire above MC-170939
  • Warped fences and Crimson fences don't connect with other fences MC-171286
  • 20w15a wall changes
  • Walls don't behave normally when next to soul sand MC-172517
  • Iron Bars don't fully connect to walls MC-171463
  • 20w17a wall changes
  • Animal pen fences don't connect to blocks MC-148979
  • Fence on plains_shepherds_house_1 generates connected MC-146485
  • Panes used to be cross shaped by default.
  • Glass panes, fences, iron bars and cobblestone walls sometimes fail to upgrade MC-125625
  • Walls connect vertically to blocks they refuse to connect to horizontally MC-236876
  • Fences don't attach to smokers in Blutcher Snowy Tundra Villages MC-237001
  • Upgrading Etho Slab
  • TNT insta ignition trick (put a tnt next to a wall while there is a redstone block next to the tnt)
  • Fences, iron bars, and glass panes often use an incorrect block state after conversion MC-239857
  • Walls can occasionally turn invisible after upgrading old worlds MC-241196

Generation

  • Mineshafts don't generate support blocks when a block is above it MC-125107
  • Fences, glass panes, iron bars, stairs, and melon/pumpkin stems in structures generate with wrong block state MC-123087
  • Structures placed by structure blocks do not update connecting blocks on the outside or inside of the structure MC-123322
  • Wall incorrectly placed on certain taiga houses MC-192879
  • Wooden fences can occasionally generate in invalid configurations in mineshafts MC-236433

Invalid Stem Connections

  • Blocks not converting correctly from 1.12.2 to current snapshot MC-130140

Generation

  • Fences, glass panes, iron bars, stairs, and melon/pumpkin stems in structures generate with wrong block state MC-123087

Invalid String Connections

  • Tripwires occasionally have incorrect block states after upgrading old worlds MC-241191

Invalid Stair Connections

  • Blocks not converting correctly from 1.12.2 to current snapshot MC-130140

Generation

  • Village stair not connecting MC-140286
  • Certain snowy village houses have unconnected stairs MC-147868
  • Corner stairs can connect outward when inward connection was expected MC-12642

Invalid Rail Connections

  • Placed rails are not immediately updated when connecting to other rails MC-162261
  • Normal rails don't adjust to attach to other types of rails MC-83015
  • Rails update other rails before checking if they are in a valid location when moved by pistons MC-174864
  • Sloped rails can connect to air MC-202677
  • Blocks not converting correctly from 1.12.2 to current snapshot MC-130140

IDV Blocks

  • Invalid Data Value Chest
    • See Invalid Data Value Item (Item)
  • Smooth Double Stone Slab MC-60035 + transmutation
  • IDV ladder (0)

Pernamently Powered Blocks

Invalid Redstone Dust Configurations and States

  • Weird redstone configurations (Via 1.16 redstone changes)
  • Not updating after broken by piston MC-143443
  • Redstone connects to Observer Blocks on sides MC-107795
  • Redstone dust doesn't update shape of connecting redstone dust when going up onto transparent blocks MC-123850
  • Redstone doesn't change direction when connected downward MC-133198
  • Blocks not converting correctly from 1.12.2 to current snapshot MC-130140
  • Connected redstone does not properly upgrade from older versions MC-239899

Generation

  • Dots instead of lines in jungle temple MC-124954
  • Crosses instead of lines in jungle temple MC-188054

Invalid Powered Blocks

  • Invalid comparator readings
    • Negative items, overstacked items and removed items.
    • Comparator doesn't update when a hopper takes in only part of an item stack MC-10786
    • Adding an item to a hopper with a dropper does not change comparator state MC-8826
    • Comparator coming off of chests, droppers, hoppers ... behave strangely. MC-10881
    • Adding items to brewing stand using dropper does not change state of comparator MC-11044
    • Hopper did not read cauldron and end portal frames before 13w18a
    • Stuck redstone comparators MC-11611
    • Comparator doesnt output signal when powered from back 13w01a
    • Comparator side input does not recognize all types of redstone power sources MC-5951
    • Comparators do not update their output signal MC-8776
    • Breaking a Container with Items that is connected via a solid block with a Comparator does not update the Comparator MC-11109
    • Comparators trying to lock Repeaters even if their output is 0 (graphical) MC-6640
    • Invalid comparator output from cauldron with lava. MC-204393
    • Comparator does not detect items in barrels MC-140986
    • Comparators are default "powered" MC-59915
    • Comparator outputs "pulse" when side signal is on MC-6032
    • Comparator is miscounting Hopper's contents MC-6536
    • Comparators no longer work as expected reading containers through powered blocks MC-171079
    • Comparators do not update correctly in some cases MC-120986
    • Comparators no longer work as expected reading containers through powered blocks {[bug|171079}}
    • Water, Signs, Vines, Torches etc. in the same block as item frame break item frame's redstone signal
    • Redstone comparator messes up MC-175781
    • Comparators didn't use to read item frames
  • Breaking a repeater with a piston pointing at a block won't stop the circuit MC-1361
  • Redstone cross with nothing around it mcw:Java_Edition_RC1#Blocks
    • Recontinued ofc
  • Powering 2 pistons extends the wrong piston MC-9341
  • Same redstone line, two different redstone level MC-10533
  • Activated detector-rails moved by a piston keep their activated state MC-3114
  • A powered rail that should be unpowered MC-54818
  • BUDedd rails MC-957
  • Powered Rails not updating MC-45091
  • Powered rail doesn't depower when reoriented MC-55129
  • Redstone block and torches don't power dispensers, droppers, TNT and Noteblocks MC-8184
  • Upper part of a Door does not open when placing a Block of Redstone beside it MC-9866
  • Placing a Redstone Torch/Block next to a rail junction does not change the rail direction MC-11142
  • Powering rail junctions from the side no longer updates the rail immediately MC-167257
  • Placing a solid block near TNT and above redstone torch won't update the TNT MC-266
  • Redstone blocks emit power through blocks MC-92562
  • Redstone blocks don't update adjacent blocks' power state correctly MC-92595
  • Blocks given redstone power do not power nearby redstone until the wire is updated MC-108897
  • All redstone components can become stuck in a powered state when indirectly unpowered MC-135185
  • Pistons are no longer (redstone) transparent MC-139401
  • Pistons can conduct redstone signal while retracting MC-142192
  • Soul sand doesn't conduct redstone MC-143131
  • Redstone components sometimes don't get updated properly MC-151057
  • Observers don't trigger twice when chained and moved MC-151213
  • Observers don't update redstone properly MC-151418
  • Placing wet sponges in the nether does not update redstone MC-160484
  • Redstone could connect diagonally through blocks in Alpha v1.0.2_01
  • Redstone torch used to strong power blocks on sides in Alpha v1.0.1_01
  • Redstone used to connect to redstone torch next to block its on, Alpha v1.0.2_01 and below (test last version)
  • Redstone changing orientation doesn't update previously powered blocks correctly MC-3703
  • Redstone wire receiving level 1 power from a block, pointing at another block with wire on it will not power that block MC-8645
  • Top piece of staircase redstone dust doesn't power blocks on the same height in the direction it is powered from unless only connected to something on the other side MC-9405
  • Redstone wire uses different criteria for connecting visually and logically MC-2255
  • Observer lets redstone dust pass (is a non-solid block with solid top face) MC-107671
  • Redstone doesn't connect vertically on moss blocks MC-214374
  • Target blocks are transparent and do not transfer redstone signals MC-173198
  • Target block didn't redirect redstone before 20w18a
  • Amethyst blocks don't conduct redstone
  • Redstone not in straight line when connected to redstone repeater in Beta 1.8 prerelease 2
  • Repeaters do not update properly MC-155520
  • A Comparator can lock a Repeater, but the Repeater doesn't look like it is locked MC-9194
  • Ender dragon head not animated when powered using comparator MC-86918
  • Hoppers become stuck on world reload at chunk borders MC-105560
  • Blocks keep the redstone state when breaking a comparator that powers that block MC-8802
  • Observers can cause blocks to be stuck in the powered state when being pushed by pistons MC-107662
  • Not powered Iron Door has status 'powered: true' MC-58869
  • Doors won't update with redstone MC-26739
  • Placing fence gates right beside a redstone source will not update them to the open state MC-2298
  • Trapdoors are not toggled by pressure plates on slabs MC-7344
  • Trapdoor is closed when redstone repeater is one block below and powered. MC-7344
  • Doors behave inconsistently when receiving updates MC-76111
  • Trapdoors get a redstone update when being pushed/pulled next to a power source, but not when being pushed/pulled away from it MC-84173
  • Iron trapdoors stay on after breaking power source, until updated MC-116580
  • Placing a bell next to a redstone source doesn’t update the powered state until it receives a block update MC-200273
  • Fence gates lock closed, and will not open from pressure plate activation. MC-66543
  • Moving a powered fence gate with a piston doesn't properly update the fence gate MC-108496
  • Activator rails not updating MC-121271
  • Powered rails and activator rails power each other from 15w46a to 15w47c MC-92697
  • Powered rails and activator rails placed next to a power source do not transmit power to neighboring powered/activator rails which need to change orientation before connecting MC-122809
  • Noteblock don't remember that it is powered on unloaded chunk MC-78761
  • Upgrading charger block to 17w06a will not depower neighbouring blocks
  • Rails are qc affected in b1.7.3
  • Repeaters and comparators don't update non-solid blocks in front of them MC-109226
  • Pistons moving blocks do not properly update surrounding blocks MC-123311
  • Activated detector rails moved by pistons do not update redstone correctly MC-96224
  • Powered rails and activator rails do not transmit power downwards or upwards when placed next to a power source MC-122785
  • Noteblock always places as powered=true until given a block update MC-122192
  • Noteblock always placed as powered=false until given a block update MC-224765
  • Updating to version with powered state doesnt turn it to true even if block is powered
  • Doors stay open if redstone is unpowered as soon as it powers the door when toggling from a dot to a cross MC-184760
  • Scheduled ticks get lost when leaving chunks (Redstone components get stuck) MC-140985

Both Item & Block

  • Soul Sand
  • Bark
  • Brick Slabs
  • Quartz Slab
    • Recontinued from Block Transmutation
  • Nether Brick Slab
    • Recontinued from Block Transmutation
  • Jungle Log
    • Recontinued from Block Transmutation
  • MC-236620
    • nether sprouts, warped roots, warped stem, warped wart block, warped nylium, warped fungi, warped planks (slab, stairs, pressure plate, button, trapdoor, door, fence gate, fence, sign)
  • bee nest/hive with bees without entitytag MC-167709

Methods

  • The Nether and the End Update Freeze MC-14221*
    • Only affects floating blocks
  • Jukebox crashes after destroying and suppresses blocks upadates in 13w05a

Snow on Top of Snowyless Grass

  • Block of grass that grew from dirt under snow is not snowy MC-133042
  • Placing snow on top of grass doesnt make it snowy in 14w04a
  • Using update suppression. Placing any block next to grass block, if snow is next to rails, will turn that grass in snowyless grass (american scientists say: but why).
  • Placing powder snow in 20w46a to [test] on top of grass didn't use to make it snowy

Generation

Snowy Grass/Mycelium/Podzol with No Snow on Top

  • Endermen can pick up and place snowless snowy grass blocks MC-124320
  • When replacing a snow layer with a grass block, podzol or mycelium, the block has the "snowy=true" blockstate MC-181555
  • Grass stays snowy when shovel breaks after breaking snow layer on top of it MC-160797
  • Mangrove tree roots do not update blocks around them when generating MC-249928

Generation

  • Snowy grass without snow near lakes in snowy biome MC-132306

Invalid Chorus Plant Configurations

Other

Player Data

  • End Stone Crafting Statistic
  • Regeneration V
  • NaN Coordinates
  • Extreme Coordinates
  • Incorrect Mob Kills Count Statistic
  • Junk and Treasure Fished Statistics
  • Untracked Statistic‏‎
  • Negative Crafting and Dropped Item Statistics - Dropping negative items, or taking negative count items out of a furnace in 1.9 snaps will decrease the stats
  • Serious Dedication Statistic - Discontinued from 18w30b to 19w05a because of https://bugs.mojang.com/browse/MC-136400, only could be obtained during this range using discontinued 0 durability diamond hoes
  • Killed Player Statistic MC-9089
  • 11th Air Bubble MC-125647
  • Regeneration V before 15w37a
  • Bed Mined Statistic MC-122939
  • Banner Mined Statistic MC-122939
  • Adventuring Time Advancement Get MC-89593
  • Broken elytra statistic in 1.18exp7
  • Blindness (2.0)

World States

Villager

World File

  • Level.dat_mcr
  • Player Folder
  • Extra Statistics File
  • Isometric screenshots from Indev
  • By updating from (1.7.6 Pre 2 - 1.7.10) to (14w02a - 14w08a), an additional statistics file that uses the format "PlayerName".json will be created.
  • End Dimension MC-236618 MC-95547
  • Cross World Game Rules MC-121663

Non-Standard

Terrain

  • Chunk population?
    • will probably never be discontinued but does allow for further discontinued terrain
  • Chunk borders from generation updates, future discontinued feature, will probably never be fixed
  • 18w06a generation. lava pools with stone generating in nether, removing bedrock. upside down trees.
  • S2 E43 Puffingfish unobtained terrain

Tutorials

  • Loading Edu Mods
  • Loading 1.18 Experimental Snapshots
  • Playing 1.17 and 1.18 Snapshots
  • Loading MinecraftEDU Mod
  • Playing Minecraft China
  • Loading Combat Test Snapshots‏‎

Stuff Applying to Many Categories

  • Minecraft China Banned Words
  • Eye of Ender Entity, Use Eye of Ender Statistic?, End Portal (Block), Stronghold Bounding Box?, Silverfish Spawner, Chest with Stronghold Loot Table, The End Dimension, All the End Achievements, How Did We Get Here? Achievement, All Statistics Requiring Blocks, Items, or Entities from the End, Ender Dragon, Idestructible End Crystals, End Stone, End Stone Brick (+ walls, stairs, and slabs), Dragon’s Breath, Lingering Potions, Most Tipped Arrows (Slowness still possible from strays), Dragon Egg, End Gateway (Block), Chorus Flower, Chorus Plant (Block), Chorus Fruit, Popped Chorus Fruit, All Purpur Blocks, End City Bounding Box?, Shulker, Shulker Bullet, Shulker Shell, Shulker Box, Chest with End City Loot Table, Elytra, Dragon Head, End Rod, Dragon Fireball, Area Effect Cloud made by Player and Dragon Expect Creeper Made MC-95547, MC-236618, nothing except obi platform generates from 12w07a to 12w07b MC-241775
  • entire nether and the end MC-241774
  • No recipes unlocking on server MC-114883

Conditional

  • The advancement "Two by Two" can be achieved by just breeding turtles MC-187483
  • In 17w47a all entity statistics are deleted excluding total mob kills. If player killed a mob in earlier version, updating to 17w47a will delete that statistic leaving count of total mob kills 1.
  • Soul campfire recipe unlocks when obtaining a stick MC-238920
  • Phantoms and slow falling potions discontinued in 19w36a

Bedrock Edition

World Types

  • Old World Type

Items

IDV Items

  • enchanted/golden apples not stacking MCPE-99280
  • cant craft thing pattern using enchanted apples from chest loots MCPE-70449
  • ink sacs not stacking MCPE-101087
  • ink sacs not stacking MCPE-113983
  • ink sacs not stacking MCPE-103760 has to be tested if works in newer versions
  • damage value 4-6 and 8-10 logs MCPE-5781
  • damage value 0 grass

Possibly IDV Items

Overstacked Items

Item Duplication Methods

Block

Single Block

Block Entities

MCPE-114216

  • Mangrove Roots can be used as fuel in furnaces

Multiple Block

  • Unloaded Chunk Update Suppression
  • Breaking portal blocks do not update blocks, so liquids, used with block item can be used for floating gravity blocks and scaffoldings too
  • Dispenser Portal Slicing
  • Mining Progress Transfer

Floating Support Block

  • Floating dripleave
  • Breaking the budding amethyst as a support block doesn't break the entire amethyst clusters MCPE-126076
  • Floating grindstone
  • Sum method
  • Torch can be placed on side of fence MCPE-46
  • Placing torch against non full blocks can place it on old world border. It floats after converting to infinite.
  • Floating coral - using a sponge to remove water with corals around will not update the corals in 1.10.0
  • Glow Lichen sometimes generate floating inside stronghold and mineshaft MCPE-123448

Support Block on Invalid Block

  • The light block can be used to place blocks that require support MCPE-144311
  • Any block can be placed on lighting rods
  • Invalid rail slopes
  • vegetation on netherrack
  • Some blocks can be placed on candles that aren't supposed to MC-130600
  • invalid block on a chest
  • From Beta 1.18.10.26 glow lichen cannot be placed on top of a frog egg
  • Frog eggs couldnt be placed on air/invalid block for some version (they turn into reserved6 later tho)
  • From 1.18.10 fire can no longer be placed on top of lightning rods
  • Breaking the budding amethyst as a support block doesn't break the entire amethyst clusters MCPE-126076
  • Big dripleaf should only be placed on certain blocks MCPE-123392
  • From 1.18.10 pointed dripstone can now only be placed on full faces of blocks
  • Glow lichen is now oriented the correct way when placed from 1.18.10 (has to be tested if there are incorrect states)
  • Plants float upon being exploded while in a snow layer MCPE-146492
  • Glow lichen now correctly checks for the face of the block they are attached to be full. beta 1.18.30.22
  • Blocks such as glow lichen, torches, and redstone can no longer be placed on or attached to brewing stands. beta 1.18.30.22
  • Blocks such as glow lichen, torches, and redstone can now be placed on or attached to trapdoors, depending on their state. beta 1.18.30.22

Floating Gravity Block

  • Before 0.6.0 gravity blocks had no gravity
  • Sand floats above snow layer MCPE-151407

Invalid Flowing Liquids

Generation
  • Naturally generated water has anomalous behavior MCPE-50540

Water Touching Lava

Non-waterlogged blocks between source blocks

  • This used to be normal up to 18w14a~
  • Chains
  • Lighting rods

Invalid Powered Blocks

Invalid Comparator Reading

  • Otherside now gives signal strength 14 to match JE MCPE-145751
  • Pigstep now gives signal strength 13 to match JE MCPE-74030

Invalid Nether Portal Configurations

Invalid Wall Connections

  • Torches and lanterns float above walls MCPE-65404
  • The wall does not rise properly under the candles MCPE-141156
  • Hoppers make lower wall full length instead of just pillar MCPE-79484

Cactus Next to Invalid Block

Both Item and Block

Half Block

Light Level

  • Light level 1 drops to 0 incorrectly when there are multiple light sources (allows monsters to spawn in places that should be lit) MCPE-151266

Entity

  • Indestructible End Crystal, same as JE
  • "Invincible mobs" MCPE-99884
    • These Mobs are invincible due to having the "Dead:1" NBT tag
  • Mobs aggresive towards other mobs (has to be tested if can be updated) MCPE-146651 MCPE-51162
  • Villager with extra inventory slots (or does it work like in creative?) MCPE-123412
  • Before 1.18.10 paintings could overlap with glow item frames, signs, banners, and torches
  • Villagers don't turn to zombie villagers on any game difficulty in latest BETA MCPE-152887
  • Duplicated shulkers at end cities MCPE-43972
  • Dealed damage changes in beta 1.18.20.27
  • Elder Guardian Ghost

Trades

  • Cartographer with air trade
  • In Beta 1.18.20.21 villager trade tables for Armorer, Cleric, Fisherman, Shepherd, Toolsmith, and Weaponsmith were updated to match JE
  • In Beta 1.18.10 villager trade tables for Butchers, Cartographers, Librarians, and Wandering Traders were updated to match JE
  • Fisherman with mismatched wood type boat - from 1.18.20.25 Fishermen Boat trades now change wood type based on villager biome type
  • Cleric glowstone dust trade - before 1.18.20.25
  • In 1.18.20.25 weaponsmith enchanted iron sword trade was moved to novice
  • In 1.18.20.25 armorer diamond trade moved to journeyman
  • Cartographer's no longer sell Woodland Explorer Maps MCPE-152725
    • "Cartographers now always unlock Woodland Explorer Map trade" ~ mc wiki

Player Data

  • Early PE creative, stays after updating
  • Iron Belly achievement MCPE-146036
  • Captains don't give bad omen when defeated MCPE-152846

Commands

Tutorials

  • Playing Old Bedrock Edition Versions

Legacy Console Edition

Item

Block

Single Block

Multiple Block

Entities

  • Stationary Projectile
  • Boat past world border

Tutorials

  • Playing Console Edition Versions