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{{Infobox version
| title = Minecraft 26.1 Pre-Release 1
| image = 26.1-pre1.jpg
| image2 = Java Edition 26.1 Pre-Release 1.png
| edition = java
| type = Pre-release
| date = March 10, 2026
| clienthash = a623b4ac667739eb36956494a3e7ce98ff4da095
| jsonhash = 7563f53aad922463b14d8192dfea989e6abb0ff3
| jsonfile = 26.1-pre-1
| serverhash = 07127fc27cad5f29b326cb9c5ef8bb24599e2c11
| parent = 26.1
| prevparent = 1.21.11
| prev = 26.1 Snapshot 11
| next = 26.1 Pre-Release 2
| nextparent = 26.1.1
}}
<onlyinclude>

'''26.1 Pre-Release 1''' (known as '''26.1-pre-1''' in the launcher) is the first pre-release for [[Minecraft:Java Edition 26.1]], released on March 10, 2026,<ref>{{Mcnet|minecraft-26-1-pre-release-1|Minecraft 26.1 Pre-Release 1|March 10, 2026}}</ref> which updates the [[Minecraft:panorama]] and makes technical changes. This is the first pre-release released in 2026, and the first pre-release to be released with only an unobfuscated build.

== Additions ==
=== General ===
'''[[Minecraft:Number provider]]s'''
* Added {{cd|minecraft:environment_attribute}}
** Fetches and provides the value of an [[Minecraft:environment attribute]] (that can be represented as a number).
*** This provider requires a context with an {{cd|origin}} position set as long as the [[Minecraft:environment attribute]] can vary positionally.
** Format: object with fields:
*** {{cd|attribute}} – [[Minecraft:environment attribute]] ID to fetch.
*** e.g. <code>{type: 'environment_attribute', attribute: 'gameplay/sky_light_level'}</code>

'''[[Minecraft:Predicate]]s'''
* Added the {{cd|minecraft:environment_attribute_check}} loot predicate.
** Exactly matches the value of an [[Minecraft:environment attribute]] at a given position.
*** This predicate requires a context with an {{cd|origin}} position set as long as the [[Minecraft:environment attribute]] can vary positionally.
** Format: object with fields:
*** {{cd|attribute}} – [[Minecraft:environment attribute]] ID to test
*** {{cd|value}} – Exact value of the [[Minecraft:environment attribute]] to match
*** e.g. <code>{condition: 'environment_attribute_check', attribute: 'gameplay/piglins_zombify', value: true}</code>

'''[[Minecraft:Tag (Java Edition)|Tags]]'''
* Added the {{cd|#can_spawn_from_bone_meal}} configured feature tags.
** Contains features that, when added in a biome, can be spawned when using [[Minecraft:bone meal]] in that biome.

== Changes ==
=== Command format ===
'''{{cmd|time}}'''
* Syntax:
** {{cmd|time [of <clock>] rate <rate>}} – sets the rate multiplier at which the clock should advance.
*** This only changes the rate at which the [[Minecraft:world clock]] and any [[Minecraft:timeline]]s dependent on it advance their internal timers.
**** For example, in the case of the {{cd|minecraft:overworld}} clock, the day/night cycle will pass quicker with a larger value, but actual game simulation will not speed up (as would happen with {{cmd|tick rate}}).
*** A {{cd|rate}} of {{cd|1}} corresponds to normal speed.
*** {{cd|rate}} is a float between {{cd|0}} (exclusive) and {{cd|1000}} (inclusive).

=== General ===
'''[[Minecraft:Data component format]]'''
* {{cd|minecraft:provides_banner_patterns}}
** The component now also accepts an ID or a list of IDs in addition to a tag.

* {{cd|minecraft:blocks_attacks}}
** The field {{cd|bypassed_by}} now also accepts an ID or a list of IDs in addition to a tag.

* {{cd|minecraft:damage_resistant}}
** The field types now also accepts an ID or a list of IDs in addition to a tag.

'''[[Minecraft:Data pack]]'''
* The [[Minecraft:pack format]] version is now {{cd|101.0}}.
* The "Default Components" report generator no longer outputs files for entries without any components.

'''[[Minecraft:Items model definition]]'''
* {{cd|minecraft:end_cube}} special model type
** New special model type that renders a [[Minecraft:starfield]] cube.
*** Fields:
**** {{cd|effect}} – texture effect to apply, one of: {{cd|portal}}, {{cd|gateway}}

'''[[Minecraft:Loot function]]s'''
* {{cd|minecraft:set_instrument}}
** The {{cd|options}} field now also accepts an ID and a list of IDs in addition to a tag.

'''[[Minecraft:Panorama]]'''
* Updated the panorama to reflect [[Minecraft:Tiny Takeover]].

'''[[Minecraft:Rendering]]'''
* [[Minecraft:End gateway]] and [[Minecraft:end portal]] should now look the same when rendered on a [[Minecraft:block display]] as they look when placed in world.

'''[[Minecraft:Resource pack]]'''
* The version is now {{cd|84.0}}.
* Updated textures for Pup to fix issues with overlapping textures.

'''[[Minecraft:Shaders]]'''
* The {{cd|core/rendertype_translucent_moving_block}} shaders have been removed in favor of {{cd|core/block}}.

'''[[Minecraft:Text component format]]'''
*{{cd|minecraft:object}}
** Added a new optional field named {{cd|fallback}} that contains a text component to be used when object component itself can't be displayed (for example when printing messages in server logs or during narration).
** Objects of type {{cd|player}} (player heads) no longer can be used in server status messages (MotD).
*** All components of that type will be replaced by a fallback text.

'''[[Minecraft:World generation]]'''
* Flower features
** Features spawned from Bone Meal are no longer restricted to the flower feature type, and instead controlled by the {{cd|#can_spawn_from_bone_meal}} configured feature tag.
** The {{cd|flower}}, {{cd|flower_no_bonemeal}}, and {{cd|random_patch}} feature types have been removed.
*** Instead, patches can be expressed as a sequence of {{cd|count}} and {{cd|random_offset}} placement modifiers.

* Int Providers
** Added the {{cd|trapezoid}} int provider
*** Selects a random value with a trapezoid distribution, similar to the {{cd|trapezoid}} float provider.
*** Format: object with fields:
**** {{cd|min}}: integer, the minimum value to generate.
**** {{cd|max}}: integer, the maximum value to generate.
**** {{cd|plateau}}: integer, the width of the "plateau" of the distribution in which all values are equally likely to occur.
***** A value of {{cd|0}} is equivalent to a triangle distribution.
***** A value of {{cd|max-min}} is equivalent to a uniform distribution.

== Fixes ==
{{fixes|project=MC|fixedin=26.1-pre-1
|;old
|195237|End portals and End gateways held by endermen or as block display entities are not rendered, but Nether portals are.
|230746|Pointed dripstone does not grow with a waterlogged block 2 blocks above it but does fill cauldrons.
|306427|Certain mobs holding items with empty "{{cd|kinetic_weapon}}" components crash the game whenever target acquisition succeeds.
|;dev
|305518|Baby wolves' tail uses an incorrect UV map.
|305702|Zombies and their variants have lost their special animation when holding spears.
|305914|{{cmd|swing}} does not swing players' arms on their perspective.
|306056|The selected difficulty does not visually update when going into and out of the game rules menu.
|306232|The block breaking animation on banners is now amplified.
|306315|The left side of wolf pups' heads is misaligned, causing a gap and texture error.
|306338|Baby zombified piglins' snout texture was made for a 4×3×1 cube model, even though the snout model is actually a 3×3×1 cube.
|306341|Helmets on baby humanoids shift off-center when their heads rotate.
|306532|The error that occurred when a resource pack used textures that were too large is now incomprehensible.
|306571|{{cd|CommandEncoder#copyTextureToBuffer}} has incorrect parameter validation statements.
|306612|Baby zombies, baby husks, and gurgles now hold items like players do.
|306624|Various translucent geometry is now invisible behind name plates.
|306631|Baby zombies, husks, drowned, and zombified piglins spawned by using spawn eggs on normal ones can't pick up items.
|306633|The "Toggle GUI" key bind doesn't work when set to a mouse button.
|306653|Name plates are no longer visible through opaque blocks.
|;prev
|306705|Copper golem statues with a pose now appear upside down as items.
|306706|The game hangs/freezes upon losing focus.
|306708|Block state rendering of chests for the left and right block states uses the single chest texture.
|306713|The most transparent pixels of the gradient banner patterns are no longer visible.
|306742|Rendering an empty item model with {{cd|oversized_in_gui}} causes a crash.
|306748|Profiler tick ended before path was fully popped (remainder: 'root'). Mismatched push/pop?.
|306796|Text displays with {{cd|see_through}} set to 1 now z-fight with themselves.
}}</onlyinclude>

== Videos ==
{{slicedlime|a_yMZeNl_14|LtD-CMxDW2Q}}

== References ==
{{reflist}}

== Navigation ==
{{Navbox Java Edition versions|26.x}}

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Minecraft:Java Edition 26.1 Pre-Release 1 - Revision history

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