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{{Infobox version
|title=Minecraft 17w50a
|edition=Java
|image=17w50a.png
|image2=Java Edition 17w50a.png
|type=Snapshot
|date=December 11, 2017
|parent=1.13
|clienthash=ebb9600d0f33b6ffd1dec8fc3010677dc07accbc
|jsonhash=e116ee9be7f2aa00af3c3c6ff7a95991b550b1b6
|serverhash=670c67a4dfbd1070a9be629124ddd8aac8d9b9d9
|prevparent=1.12.2
|prev=17w49b
|next=18w01a
|nextparent=1.13.1
}}<onlyinclude>

'''17w50a''' is the eleventh [[Minecraft:snapshot]] for [[Minecraft:Java Edition 1.13]], released on December 11, 2017,<ref>{{snap|17w50a|December 11, 2017}}</ref> which fixes bugs. This is the final snapshot released in 2017.

== Additions ==
=== Command format ===
* Added a new local coordinate type in commands using <code>^</code>.
** When specifying coordinates in a command, the [[Minecraft:player]] can now use <code>^</code> to specify local coordinates instead of world coordinates.
** The axes used for local coordinates are relative to the rotation of the executing entity.
** Like world coordinates, they are measured from the base of an entity.
** The syntax is: <code>^left ^up ^forwards</code>
** <code>left/up/forwards</code> is the amount of blocks in the specified direction.
** For example, typing {{cmd|setblock ^ ^ ^3 stone}} in chat sets a stone block 3 blocks in front of the player in their view.
* Tab-completing coordinates when not targeting a block suggests <code>~ ~ ~</code> again.

=== General ===
'''[[Minecraft:Tag]]s'''
* Added the default tags <code>wooden_buttons</code> and <code>wooden_doors</code> for both items and blocks.
* The tags <code>buttons</code> and <code>doors</code> now include <code>stone_button</code> and <code>iron_door</code> respectively for both items and blocks.

== Changes ==
=== Blocks ===
'''[[Minecraft:Ender chest]]s'''
* Now change their texture when the computer time is set to the 24th to 26th of December to suit Christmas.

'''[[Minecraft:Item frame]]s'''
* Can now be placed on the top and bottom of blocks.

=== General ===
'''[[Minecraft:Tag]]s'''
* Can now include other tags (of the same type).
** The player can add for example <code>#foo:bar</code> in a tag value list to reference another tag called <code>foo:bar</code>.
** Self-referencing is not possible.
* When overriding a tag, the player can now choose to replace instead of append.
** By default all tags append if another data pack created the tag.
** Adding <code>"replace": true</code> to the tag definition makes that tag replace existing tags instead.
* When used in commands, block tags now support block state and data tag arguments.

== Fixes ==
{{fixes|fixedin=17w50a|prefix=Minecraft
|;old
|1168|Lily pad sometimes destroys water block.
|1218|Arrows shot at the top half of a door will float once the door is opened.
|5694| High-efficiency tools/fast mining destroys some blocks client-side only.
|11142|Placing a redstone torch/block next to a rail junction does not change the rail direction.
|11242|When a player jumps and places a fence post under them, they would get inside the fence post.
|35119|Buttons for video settings to not make a sound.
|48522|Ctrl + Pickblock on a flower pot gives player the flower (+NBT) instead of the flower pot.
|53448|Sliders cannot be adjusted accurately (tested in customized world settings).
|62093|Double plants get generated without bottom part.
|72634|Lily Pad placement noise inconsistent.
|90174|Carpet ghost blocks.
|93468|Water and lava flow affected by random ticks.
|97355|Lily pads placed on ice plays wrong sound.
|98928|Snowballs launched from a boat destroyed instantly.
|99057|Cannot place corner vines.
|105832|Torch doesn't work in one block space.
|108749|Mushrooms and crops cause double plants to drop; leaves "head" of plant behind.
|112929|Beacon coloring issue.
|113420|Boats can be placed outside the world border.
|114454|Placing flowers in flower pots do not update the flower pot for nearby players.
|114722|Projectiles collide with hitbox of block instead of with collision box.
|114953|Setting title times to negative values acts like /time ... clear.
|115322|Updating string line in front of unattached tripwire hook that faces north or east updates blocks around the hook.
|118194|Ladders can be placed on any block when used with stairs.
|118346|Blocks that will be replaced when another block will be placed on them do not work with CanPlaceOn tag.
|118850|Vines use opposite facing value when trying to spread in corners.
|120056|Saving a structure to a subfolder fails if the folder does not exist yet.
|120709|Lava and water updates do not resolve completely when random ticking is disabled.
|120911|Can't place snow_layer in adventure mode.
|123365|+2 block cactus does not break with water (inconsistency).
|;dev
|121650|Tab auto-completion is case-sensitive.
|121863|x_rotation seems to behave like y_rotation.
|122154|Sometimes beds take strange shapes when placed.
|122159|Container inventory changes don't update nearby comparators.
|122317|Game crashes when a colon is entered after a slash or another colon in commands.
|122403|Detecting a 2 redstone tick repeater with an observer creates 2 pulses.
|122580|Recipe files and advancements for recipes are not fully/correctly updated to flattening names.
|122591|OS locale is used for coordinate tab-completion.
|122593|Coordinate arguments are tab-completed to farthest theoretically reachable block in the direction the player is looking instead of '~' when not looking at a block.
|122791|Double blocks break after replacing tall grass/large fern.
|122819|Changes to the hitbox of hoppers makes them unable to pick up items.
|122899|Falling blocks top/bottom texture change rotation as they fall.
|122927|Cullface on the tops and bottoms of glass panes aren't triggered by other glass panes on top or below.
|122953|Crash when typing scoreboard criteria with invalid character.
|;previous
|122987|Pistons lose piston head when pushing the block which powers it.
|123001|Custom tags can match air if they contain an invalid block name.
|123004|Random rotation for blocks like sand, concrete powder, grass and custom block models doesn't work properly.
|123014|Invalid function tags prevent world from loading.
|123018|Water and lava flowing texture error.
|123032|Tags overwrite, don't append.
|123050|The bed can be put in water, because of what it breaks and does not drop.
|123051|Cactus can be placed underwater.
|123054|Carpets don't drop their item when pushed onto air.
|123089|stone_button/iron_door is not included in #buttons/doors.
|123111|Stack Overflow in {{cmd|data get entity}}.
|123112|The top of walls are transparent when there is a skull above.
|;Private issues
|94675|Private issue involving huge mushrooms
}}</onlyinclude>

== Videos ==
{{slicedlime|vi8o598JmAk}}

== Trivia ==
* Unlike most of the first-of-the-week snapshots up to this point, this was released on a Monday instead of Wednesday, similar to [[Minecraft:17w48a]].

== References ==
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|1.1x}}

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Minecraft:Java Edition 17w50a - Revision history

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