Changelog for Minecraft 1.21.1

All notable changes to this project will be documented in this file.

1.21.1-1.9.0 - 2025-10-07 07:49:11

Added

• Add missing PASSIVE_IO property

Fixed

• Fix passive fluid interaction consuming too much

Internal changes: (required for Integrated Mekanism)

• Make PositionedOperatorIngredientIndex better extensible

1.21.1-1.8.44 - 2025-08-08 22:06:22 +0200

Fixed

• Fix logical flaw in IEnergyTarget

1.21.1-1.8.43 - 2025-08-08 21:47:42 +0200

Fixed

• Fix fluid transfer with Cauldrons not working, Closes #346

1.21.1-1.8.42 - 2025-07-30 16:51:04 +0200

Added

• Add translations through Crowdin (#343)
• Add PT_BR localization (#345)

Fixed

• Fix Player Simulator dupe with Inventory Pets, Closes #339
• Fix some spelling and grammar typos in lang

1.21.1-1.8.41 - 2025-06-16 18:47:03 +0200

Fixed

• Fix Player Simulator duping placed items, regression due to #339 fix
• Fix player simulator not consuming PASSed items, Closes #339

1.21.1-1.8.40 - 2025-05-31 21:39:36 +0200

Fixed

• Fix aspect icons in Network Reader not loading

1.21.1-1.8.39 - 2025-05-31 21:06:31 +0200

Fixed

• Fix aspect icons in Network Reader not loading

1.21.1-1.8.38 - 2025-05-25 07:02:00 +0200

Fixed

• Fix cursor centering on gui switching, Closes CyclopsMC/IntegratedDynamics#1514

1.21.1-1.8.37 - 2025-03-29 14:26:41 +0100

Added

• Update ru_ru.json (#327)

Fixed

• Fix fluid lists not always matching correctly, Closes #333
• Fix data components being lost with World Block Exporter, Closes #328

1.21.1-1.8.36 - 2025-03-10 07:23:54 +0100

Fixed

• Fix data components being lost with World Block Exporter, Closes #328

1.21.1-1.8.35 - 2025-02-22 17:13:01 +0100

Fixed

• Fix world block exporter not passing item to use context This could lead to issues with certain modded blocks. Closes CyclopsMC/IntegratedDynamics#1467

1.21.1-1.8.34 - 2025-02-15 10:20:34 +0100

Added

• Add tr_tr translations through Crowdin (#325)

Fixed

• Fix broken advancement icons

1.21.1-1.8.33 - 2025-02-03 17:02:09 +0100

Fixed

• Fix Player Simulator not using Brush correctly, Closes #324
• Fix world fluid exporter voiding non-placable fluids, Closes #323
• Fix world offset not being configurable to zero, Closes #322

1.21.1-1.8.32 - 2025-01-08 17:28:01 +0100

Fixed

• Fix chained world block exporter/exporter not able to work every tick This is done by making the exporter/importer sleep optimization only take effect if these parts were unable to move anything for at least three ticks. Closes #319
• Disallow Player Simulator from sleeping in beds, Closes CyclopsMC/IntegratedDynamics/issues/1454
• Fix player simulator not ticking fast enough with snowballs, #319

1.21.1-1.8.31 - 2025-01-05 15:45:41 +0100

Fixed

• Fix broken Export Enchantable Items advancement Closes CyclopsMC/IntegratedDynamics#1453

1.21.1-1.8.30 - 2024-11-22 07:13:29 +0100

Fixed

• Fix unable to clear part IDs, Closes CyclopsMC/IntegratedTunnels#309

1.21.1-1.8.29 - 2024-11-19 15:30:59 +0100

Fixed

• Fix passive import/export ignoring active aspect channel, Closes #308

[1.21.1-1.8.28] - 2024-08-09 21:09:30 +0200

Fixed

• Fix list aspects considering apples instead of empty, Closes #301