Java Edition 18w20a

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 "title": "Minecraft 18w20a",
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 "field": "[https://piston-data.mojang.com/v1/objects/89843d397a9b0fd42bea26ada6890ebc693ad288/client.jar Client] ([https://piston-meta.mojang.com/v1/packages/a64998fc7679c161aa9dd671bec77329dd68e2cc/18w20a.json .json])<br />[https://piston-data.mojang.com/v1/objects/108a051216637e0145f6b0e66182b48736595fc3/server.jar Server]",
 "label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
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 "label": "<span style=\"white-space: normal;\">(link to Pack format#List of pack formats article, displayed as Resource pack format)</span>"
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 "label": "<span style=\"white-space: normal;\">(link to Pack format#List of pack formats article, displayed as Data pack format)</span>"
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 "field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_8_.28LTS.29 Java SE 8]</span>",
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 "footer": "<table style=\"margin: auto; word-break: break-word;\">\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\" >[[Java Edition 1.12.2|<span style=\"margin-right:-0.35em\">◄</span>◄  1.12.2]]</td>\n<td style=\"padding: 0.4em\">'''[[Java Edition 1.13|1.13]]'''</td>\n<td style=\"padding: 0.4em\" >[[Java Edition 1.13.1| 1.13.1 <span style=\"margin-right:-0.35em\">►</span>►]]</td>\n</tr>\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\">\n[[Java Edition 18w19b|◄  18w19b]]\n</td>\n<td style=\"padding: 0.4em\">''' 18w20a'''</td>\n<td style=\"padding: 0.4em\">\n[[Java Edition 18w20b| 18w20b ►]]\n</td>\n</tr>\n</table>"
}

18w20a is the thirty-fifth snapshot for Java Edition 1.13, released on May 15, 2018^[1].

Command format

• Teams can now have a prefix and a suffix, specified as raw JSON text.
  • /team option <team> prefix <prefix>
  • /team option <team> suffix <suffix>

• Changed IDs of several blocks:

• Changed names of several blocks:

• Changed IDs of several items:

• Changed names of several items:

• Changed the name of lightning bolt:

• Players in Creative mode can now sleep even if monsters are nearby.
• Many internal IDs and data values have been changed, such as texture and structure files.

50 issues fixed

From released versions before 1.13

• MC-9620 – F1 and open chat makes hotbar appear.
• MC-116928 – Command block and spawner minecart data fixer not working correctly.

From the 1.13 development versions

• MC-121743 – Feedback of some commands uses OS locale for formatting decimal numbers.
• MC-122331 – Shield with banner has broken colors.
• MC-122428 – Fire doesn't disappear / Fire spread too quick.
• MC-123136 – Vines placed against the ceiling and the wall are not upgraded correctly.
• MC-123224 – Levers placed on the ground and ceiling rotate when upgrading.
• MC-123466 – Scheduled block updates are lost when upgrading a world from 1.12.2.
• MC-123589 – Inconsistent texture renaming.
• MC-123790 – "italic":false in custom item names does not make name non-italic.
• MC-124065 – Spawn Egg Data Loss on 1.7.10 -> 1.13 Upgrade.
• MC-124112 – Renamed placed droppers lose their custom name when upgrading from 1.12.2.
• MC-124203 – Right clicking adult skeleton horse or mule with spawn egg does not spawn baby.
• MC-124343 – Command block minecart data walker never runs due to comparing different types.
• MC-124496 – Debug Stick text is not translated in other languages.
• MC-124998 – Command block minecarts disappear upon reloading the world.
• MC-125091 – Bonemeal doesn't place flowers on plains biome.
• MC-125092 – Bonemeal stops placing plants after placing flower.
• MC-125182 – Block Entities are not upgraded properly when upgrading from 1.12.2.
• MC-125307 – When a trident hits a mob, it will not fall right below it.
• MC-125310 – Trident can penetrate the closed shulker / wither / ender dragon / invulnerable mobs.
• MC-125342 – Trident cannot destroy the armor stand.
• MC-125362 – Attribute modifier tooltips use OS locale.
• MC-125408 – Loyalty tridents return to spectators (but don't get picked up).
• MC-125625 – Glass panes, fences, iron bars and cobblestone walls sometimes fail to upgrade
• MC-125799 – Chests placed in earlier versions make no sound when opened.
• MC-125919 – Tridents enchanted with channeling will work in the end during a thunderstorm under certain conditions.
• MC-126034 – The name of prismarine brick slab and stairs is not consistent with other brick slabs and stairs.
• MC-126241 – Crash on World Load - Skyblock 2.1 Vanilla.
• MC-126300 – Unlike sword, trident can accidentally break blocks in creative mode.
• MC-126373 – Density of nether and overworld ore blobs significantly lower in 18w versions.
• MC-126796 – Tropical fish are disappearing.
• MC-126883 – Shulkers becomes dark purple when upgrading from 1.12.2.
• MC-127027 – Squid's ink clouds appear to render/spawn sideways or lopsided.
• MC-127250 – Drowned Chicken Rider is invincible and doesn't attack player.
• MC-127252 – Killing the Drowned mob doesn't count towards the Monster Hunter/Monsters Hunted advancements.
• MC-127301 – Shipwrecks always face north.
• MC-127478 – Texture metadata parsing fails if animation block is not present.
• MC-127730 – Fish have a strange shadow.
• MC-127993 – Solid blocks placed on unhydrated farmland.
• MC-128013 – Player can walk on the water with slow falling effect.
• MC-128125 – When swimming within bottom stairs or slabs, the water shader does not appear.
• MC-128472 – When swimming, the player can stand up even though there is a block above.
• MC-128495 – Igloos often fail to generate completely.
• MC-128615 – Cod and salmon loot table have redundant set_count function.
• MC-128851 – The "A Furious Cocktail" advancement does not require Resistance.
• MC-129236 – Swimming Sometimes Doesn't Work
• MC-129244 – Lava uses the water texture on multiplayer
• MC-129281 – Player's position, gamemode, inventory, effects gets reset to an older point upon re-entering a worldsave

From the previous development version

• MC-129371 – Loading previous buffet worlds into 18w19b turns it into a default world type

Other fixes

• Worlds created in 18w16a can also now be opened.

• Unlike most of the first-of-the-week snapshots, this was released on a Tuesday instead of Wednesday.