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Minecraft 1.18 プレリリース1 アップデート情報|ワールドタイプが1.18に対応

2021年12月から2022年1月頃公開予定のMinecraft 1.18(洞窟&崖アップデート 第2弾)に向けた9回目のスナップショット(プレリリースとして1回目)が現地時間の2021年11月11日にリリースされました。

Java Edition 1.18 Pre-release 1はランチャーでは1.18-pre1と表記されています。



リリース名Java_Edition_1.18_Pre-release_1 date
エディションJava Edition (Java版)




ワールド作成画面の「ワールドタイプ」選択欄の「アンプリファイド」と「大きなバイオーム」がMinecraft 1.18の地形生成アルゴリズムに対応しました。








  • チャンク生成アルゴリズムの変更によって新しいワールドと古いワールドの部分にワールドの壁が発生していましたが、地表の高さ、バイオーム、洞窟が21w43aよりスムーズにブレンディングされるようになりました。
  • 深層岩と岩盤がアップグレードされる際に適切に生成が行われるように調整されました。
  • 「Cave carvers」と呼ばれる大きな洞窟がアップグレードの際に適切に生成がされるように調整されました。






  • MC-46584 – Clicking and dragging MOUSE3 (mouse wheel) over item slots incorrectly attempts to place full stacks in Survival.
  • MC-53444 – You can get outside of the world border by mounting a rideable entity (boat, pig, etc.) outside of it.
  • MC-54119 – Can place/take water/lava/lily pads outside world border and inside spawn protection.
  • MC-62550 – World border not correctly initialized for the End and Nether.
  • MC-96535 – Ambient property of potion effects with ShowParticles:0b is not disregarded.
  • MC-113425 – Player can interact with entities outside the world border.
  • MC-117800 – Half bed can be placed outside the world border.
  • MC-121997 – Every dimension’s world border is operating independently, and doesn’t appear where it actually is.
  • MC-131808 – Forests don’t spawn trees near the positive edges, but overstretch bounds on the negative edges.
  • MC-135947 – Conduit takes a long time to break when underwater.
  • MC-136523 – Invisible world border in the End dimension.
  • MC-147122 – You can set your spawn point outside the world border using a bed or respawn anchor.
  • MC-187174 – World border does not take Nether coordinates into account.
  • MC-206620 – Cauldron invisible when crawling in it.
  • MC-206660 – Stalactites don’t fall properly if there are blocks directly below it.
  • MC-215139 – Some water in caves will not start flowing.
  • MC-219035 – Fossil structures can’t generate in far east and south blocks of a chunk.
  • MC-222388 – Acacia trees under Y=0 often grow with bare branches.
  • MC229013 – Lava lake decorator config is unused.
  • MC-229517 – Conversion sounds for strays and drowned is controlled by Friendly Creatures mixer, not Hostile Creatures.
  • MC-231666 – Dragon egg can teleport to outside the world border.


  • MC-236610 – Lava lakes generate without stone around.
  • MC-236628 – Lava pools cause sand to fall now instead of putting sandstone beneath it.
  • MC-236652 – Weather can be incorrect sometimes within a biome.
  • MC-236803 – Extremely low amount of pillager spawns in outpost on jagged peaks, groves, snowy slopes and frozen peaks.
  • MC-237040 – Falling blocks still sometimes disappear for a moment when landing.
  • MC-237598 – Projectiles glitch around in the air when exiting simulation distance.
  • MC-237621 – Missing biome definitions in some peak grid cells cause unintended ocean placement.
  • MC-237791 – Villager spawn eggs used on grove, frozen peaks, snowy slopes and jagged peaks don’t spawn snowy plains villagers.
  • MC-237954 – The “Sound of Music” and “Feels like home” advancements are internally located in the incorrect tab folder.
  • MC-238038 – Newly added advancements’ namespace ID does not match its translation key.
  • MC-238972 – Deserts generate with little or no sandstone.
  • MC-239714 – Doing /locate desert_pyramid on a desert Superflat world freezes the world.
  • MC-239851 – Upgrading old worlds causes leaves to change to surface builder blocks.
  • MC-239852 – Lava pools intersecting strongholds can cause end portal frames to be deleted.
  • MC-240021 – Cullface arguments in cauldrons are excessive.


  • MC-240481 – Deepslate doesn’t generate in the new cave generation under old chunks.
  • MC-240482 – There is no bedrock in the Overworld in old chunks.
  • MC-240495 – Deepslate does not generate below Y=0 in badlands or wooded badlands biomes.
  • MC-240503 – Bedrock doesn’t generate in badlands or wooded badlands.
  • MC-240516 – Cave carvers don’t generate below old chunks.
  • MC-240531 – Block simulation distance is always 8 chunks regardless of the slider’s value.
  • MC-240534 – Clicking a JFR link copies full server-side path to clipboard.
  • MC-240631 – Extremely slow End terrain generation.
  • MC-240998 – Portals no longer load chunks as non entity processing.