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Minecraft 26.1-snapshot-1

Weekly work-in-progress build. Things break and get removed again. Full source data for this version is extracted and browsable below.

2,828 names shipped in this version. Each result opens the wiki page for that thing.

Contents (6)
  1. What changed in 26.1-snapshot-1
  2. New in-game text
  3. Fixes
  4. Development cycle
  5. Browse this version
  6. Neighbouring versions

Java What changed in 26.1-snapshot-1

Everything below is measured by comparing the game files of 1.21.11 with 26.1-snapshot-1 — not copied from patch notes.

New in-game text 6

KeyText
commands.swing.failed.notlivingNo living entities were found to swing
commands.swing.success.multipleMade %s entities swing their arms
commands.swing.success.singleMade %s swing an arm
gamerule.minecraft.universal_anger.descriptionAngered neutral mobs attack any nearby player, not just the player that angered them. Works best if forgive_dead_players is disabled.
key.debug.lightmapTextureLightmap Texture
test.error.expected_block_presentExpected block %s to be present
Full comparison pageEvery registry, side by side

Fixes 20

Read from Mojang’s own release notes for Minecraft 26.1 Snapshot 1, published 2025-12-16. Every entry keeps its original bug ID.

20 issues fixed, read from Mojang’s own patch notes. Each entry keeps its original bug ID.

Fixed bugs in 26.1 Snapshot 1 20

  • MC-64087 Revengeful zombies / Zombie reinforcements will try to attack you in Creative mode
  • MC-179949 You cannot edit the inventories of piglins by using '/item replace'
  • MC-197497 Smooth lighting transition from level 1 to 0 is not smooth
  • MC-199589 Hitting mobs in Creative mode then switching into Survival causes the mob to target you
  • MC-219981 Leader zombie-type mobs spawn with 20 health despite having an increased maximum health
  • MC-300465 Maps with the maximum number of markers cannot be placed in item frames
  • MC-302186 Ambient lighting in the Nether appears discolored compared to previous versions
  • MC-302408 Inconsistent underwater lighting with the Conduit Power effect applied
  • MC-302528 Low sky & block light look outright broken when cast on the same area
  • MC-303119 Feeding a cat or wolf in Survival mode with only one item in the selected item slot does not restore as much health as it should
  • MC-303125 Creepers can blow up after the player dies
  • MC-303389 The ender dragon's velocity can be affected by attacks while perched
  • MC-303692 Debug overlay text has an indent when improved transparency is disabled
  • MC-304023 Redundant level data fixer files are saved in worlds' "data" folder
  • MC-304217 Lunge's hunger requirement applies to post_piercing_attack effects of custom enchantments
  • MC-304599 Dolphins don't follow players riding nautiluses like in Bedrock Edition
  • MC-304631 Anisotropic filtering set to 8x causes opaque translucent textures to become transparent in the distance when there are odd-sized block textures
  • MC-304725 Zombie villagers summoned with default spawn eggs always spawn as their plains variant
  • MC-304991 Clicking on a chest with loot that hasn't been generated in Spectator mode makes the "block.chest.locked" sound
  • MC-305012 The description of the "Universal anger" game rule still uses the old ID of the "Forgive dead players" game rule

Development cycle

This build was part of the run-up to 26.1. Everything tested here landed in that release.

Minecraft 26.1The release this one led to

Browse this version

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Neighbouring versions

← 1.21.11 (previous)26.1-snapshot-2 (next) →