Java Edition 17w13a
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This page covers a development version that has a major issue under certain conditions.
The dedicated server for this version has a security vulnerability in the Log4j library that could be used to perform a remote code execution exploit. It can be addressed by appending a certain JVM argument to the server startup command line.[1]
Minecraft 17w13a
| Edition | Java Edition | ||||||
|---|---|---|---|---|---|---|---|
| Release date | March 30, 2017 | ||||||
| Type | Snapshot | ||||||
| Snapshot for | 1.12 | ||||||
| Downloads | Original: | ||||||
| Protocol version | 318 | ||||||
| Data version | 1122 | ||||||
| Resource pack format | 3 | ||||||
| Minimum Java version | Java SE 8 | ||||||
| |||||||
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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 1.11.2|<span style=\"margin-right:-0.35em\">◄</span>◄ 1.11.2]]</td>\n<td style=\"padding: 0.4em\">'''[[Java Edition 1.12|1.12]]'''</td>\n<td style=\"padding: 0.4em\" >[[Java Edition 1.12.1| 1.12.1 <span style=\"margin-right:-0.35em\">►</span>►]]</td>\n</tr>\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\">\n[[Java Edition 17w06a|◄ 17w06a]]\n</td>\n<td style=\"padding: 0.4em\">''' 17w13a'''</td>\n<td style=\"padding: 0.4em\">\n[[Java Edition 17w13b| 17w13b ►]]\n</td>\n</tr>\n</table>"
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17w13a is the second snapshot for Java Edition 1.12, released on March 30, 2017,[2] which adds parrots, knowledge books, changes textures of some glazed terracotta, and replaces achievements with advancements.
17w13a was reuploaded an hour and a half after release to fix an issue on macOS.[3]
Additions
[edit | edit source]Items
[edit | edit source]
- A green-colored book.
- Currently obtainable only with the
/give @p knowledge_bookcommand. - A knowledge book with a
Recipestag, which contains a list of item IDs, is consumed and unlocks the specified items' recipes for any player that uses it.- Especially useful when
/gamerule doLimitedCraftingis set to true.
- Especially useful when
Parrot spawn egg
- Spawns parrots.
Mobs
[edit | edit source]- Tamable with cookies.
- Fly around, but sit when "tired".
- Follow and crowd around nearby mobs.
- Imitates sounds of other mobs.
- Using tamed parrots places them on the player's shoulder.
- Let go if the player jumps.
- Can fly with players during elytra flight.
- Have 6HP
health. - Come in red, blue, green and cyan.
Gameplay
[edit | edit source]doLimitedCrafting- Off by default.
- Enabling only allows players to craft recipes they have unlocked.
Command format
[edit | edit source]/recipe <give|take> [player] <name|*>
- Can unlock, or lock, the given recipes for the given player.
- If
*is specified, it locks or unlocks all recipes for the player.
/advancement <grant|revoke|test> <player> <advancement> [criterion]
- Can grant, test or revoke advancements, and particular advancement criteria, for a given player.
General
[edit | edit source]
- Replaces achievements.
- Can be customized via JSON files.
- Tab-based UI.
- Currently only has one tab ("Minecraft") with 22 advancements.
- Different background per tab, single texture on repeat for now.
- Data-driven UI, including positioning and layout.
- Advancements in this version include:
| Minecraft | ||||||
|---|---|---|---|---|---|---|
| Icon | Advancement | In-game description | Parent | Actual requirements (if different) | Resource location | Rewards |
  | Minecraft | Descriptions were not added yet. | — | Have a crafting table in the inventory. | story/root | — |
 | Mine stone | — | Minecraft | Have cobblestone in the inventory. | story/mine_stone | — |
 | Upgrade tools | — | Mine stone | Have a stone pickaxe in the inventory. | story/upgrade_tools | — |
 | Smelt iron | — | Upgrade tools | Have an iron ingot in the inventory. | story/smelt_iron | — |
 | Obtain armor | — | Smelt iron | Have any piece of iron armor in the inventory. | story/obtain_armor | — |
 | Deflect an arrow | — | Obtain armor | Block incoming damage from a projectile with a shield. | story/deflect_arrow | — |
 | Iron tools | — | Smelt iron | Have an iron pickaxe in the inventory. | story/iron_tools | — |
 | Diamonds! | — | Iron tools | Have a diamond in the inventory. | story/mine_diamond | — |
 | Shiny gear | — | Diamonds! | Have any piece of diamond armor in the inventory. | story/shiny_gear | — |
 | Enchant an item | — | Diamonds! | Enchant an item in an enchanting table. | story/enchant_item | — |
 | Bucket of lava | — | Smelt iron | Have a lava bucket in the inventory. | story/lava_bucket | — |
 | Form obsidian | — | Bucket of lava | Have obsidian in the inventory. | story/form_obsidian | — |
 | Enter the Nether | — | Form obsidian | Enter the nether portal block. | story/enter_the_nether | — |
 | Summon the Wither | — | Enter the Nether | Summon the Wither. Unobtainable without commands. | story/summon_wither | — |
 | Create a beacon | — | Summon the Wither | Be near a beacon when it activates. | story/create_beacon | — |
 | Create a full beacon | — | Create a beacon | Be near a 4-layer beacon when it activates. | story/create_full_beacon | — |
 | Obtain a Blaze Rod | — | Enter the Nether | Have a blaze rod in the inventory. | story/obtain_blaze_rod | — |
 | Brew a Potion | — | Obtain a Blaze Rod | Have any item with the ID potion in the inventory (water bottle works, but splash/lingering potions don't). | story/brew_potion | — |
 | Follow an Ender Eye | — | Obtain a Blaze Rod | Use an eye of ender while being within 64 blocks of a stronghold. | story/follow_ender_eye | — |
 | Enter the End | — | Follow an Ender Eye | Enter the end portal block. | story/enter_the_end | — |
 | Enter a Gateway | — | Enter the End | Enter the end gateway block. | story/enter_end_gateway | — |
 | Learn to Fly | — | Enter a Gateway | Have an elytra in the inventory. | story/elytra | — |
- ⎈ Control + B toggles a text-to-speech engine that automatically reads player chat messages, including the name.
- The narrator doesn't read commands or command outputs, nor it reads messages produced with
/me.
ShoulderEntityLeft/ShoulderEntityRight: Contains entity data about an entity on the left and right shoulders of the player.seenCredits: Changes to 1 if the player leaves the End through the portal.recipeBook: A string containing a list of recipes, formatted as JSON, that the player has seen.Recipes: A list of crafting recipes to unlock for the player that right-clicks while holding a knowledge book.- If this is not specified, the knowledge book is not consumed.
- Catalogs recipes that are unlocked when the criteria are met.
- When a recipe is clicked, it appears in the crafting grid, and can be crafted if materials are available.
recipesfolder added with all item recipes as.jsonfiles.
- Added support for Shakespearean English.
Changes
[edit | edit source]Blocks
[edit | edit source]
- Textured changed for cyan, magenta, orange, and white glazed terracotta, to remove unintentional and potentially offensive imagery.[4]
- Now display their name when hovering over them.
- Now display their name when hovering over them.
Items
[edit | edit source]- Changed the sound of bobbers being thrown.
General
[edit | edit source]- Removed and replaced by advancements.
- Closing the crafting interface with items inside no longer drops the items in front of the player, but sends them instead to the inventory.
Java version
- This is the first snapshot to use, and thus require, Java 8.[5]
- The "Old java detected" warning message no longer appears, as the game now requires Java 8.
Moving backwards
- The player's body now entirely faces to the front, when moving backwards.[6][7]
- Prior to this snapshot, moving backwards would cause the player model to rotate one side, making it look like the player was strafing backwards somewhat.
Fixes
[edit | edit source]From the previous development version
- MC-113377 – New block Swastika
- MC-113844 – White Glazed Terracotta symbol (looks like the symbol of the Hungarian Nazi party)
From the current version, hotfixed
- Fixed the game not loading on macOS.
Videos
[edit | edit source]Video made by slicedlime:
Trivia
[edit | edit source]- 17w13a was previously removed from the launcher for some time, but was added back in September 2018.
- 17w13a has the longest wait between snapshots on the same development version, with 50 days having elapsed since the release of 17w06a on February 8, 2017.
References
[edit | edit source]- ↑ "Important Message: Security vulnerability in Java Edition" – Minecraft.net, December 10, 2021.
- ↑ "Minecraft Snapshot 17w13a" – Minecraft.net, March 30, 2017.
- ↑ "Having reports of it not running on Mac OS - a hotfix will be out in about 7 minutes." – @Dinnerbone (Nathan Adams) on X (formerly Twitter), March 30, 2017
- ↑ https://www.reddit.com/r/Minecraft/comments/5sspmk/minecraft_snapshot_17w06a/ddhjm42/?context=1
- ↑ "Heads up modders: This snapshot is the first Minecraft version to require (and therefore use) Java 8. You can now finally use 7/8 features!" – @Dinnerbone (Nathan Adams) on X (formerly Twitter), January 30, 2017
- ↑ MC-114900, resolved as "Works as Intended" – Maria Lemón, April 22, 2017
- ↑ "It actually is a bug, it tries to rotate the body to the direction you are walking, but it can only do it so far, that is also why it basically picks a 'random direction'. Now it can actually understand when it is walking backwards and it stopped doing that weird behavior." – u/_Grum on Reddit, April 22, 2017
