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Changelog
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Library of features so creating new mods is easier.
Other mods depend on it to work
Features for developers:
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coremod data
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BlockSettings (tooltip, rotateColor, litWhenPowered, facingAttachment)
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inventory wrappers
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newmod template with buildscripts
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Worldgen feature builders (simple, patch, ore)
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dimension utilities
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EnergyIngredient for recipes
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FluidTagIngredient for recipes
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RandomizedOutputIngredient for recipes
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Brewing recipe
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many misc utilities
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/flib commands : can disable them in config flib.toml
-- /flib tpx: teleport across dimensions
-- /flib health add/set/random/factor
-- /flib hunger add/set/random/factor
-- /flib hearts add/set/random/factor
-- /flib gamemode @p 1
-- /flib scoreboard random @p 4 9 OBJECTIVE
-- /flib attribute minecraft:reach_distance random @p 3 8
All Versions
+ Add Version
[26.1.2-0.2.11] 26.1.2-0.2.11
by Lothrazar on Oct 14, 2026
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Fix RenderLevelStageEvent's mulPose, used by RenderEntityToBlockLaser
[26.1.2-0.2.10] 26.1.2-0.2.10
by Lothrazar on Oct 14, 2026
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Fix fakeblock render types. add EntityUtil:isMovingForward(). Fix RenderBlockUtils line width
[26.1.2-0.2.9] 26.1.2-0.2.9
by Lothrazar on Oct 14, 2026
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initFakePlayer util now optionally takes a players gameprofile ID
[1.21.1-0.2.9] 1.21.1-0.2.9
by Lothrazar on Oct 14, 2026
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initFakePlayer util now optionally takes a players gameprofile ID
[26.1.2-0.2.8] 26.1.2-0.2.8
by Lothrazar on Oct 14, 2026
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Fix missing UV2 lightmap in RenderBlockOverlay addVertex, allow setAlpha override, and update lightmap
[1.20.1-0.0.16] FLIB 1.20.1-0.0.16
by Lothrazar on Oct 14, 2026
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Fix default value in GameRuleFactory createBoolean
[1.21.1-0.2.8] 1.21.1-0.2.8
by Lothrazar on Oct 14, 2026
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Fix missing UV2 lightmap in RenderBlockOverlay addVertex, allow setAlpha override, and update lightmap
[26.1.2-0.2.7] 26.1.2-0.2.7
by Lothrazar on Oct 14, 2026
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Ported to 26.1.2
[1.21.1-0.2.7] 1.21.1-0.2.7
by Lothrazar on Oct 14, 2026
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Add BlockFacadeMessage packet and HAS_FACADE block state interfaces (supporting facades in cyclic, storagenetwork, etc)
[1.21.1-0.2.6] 1.21.1-0.2.6
by Lothrazar on Oct 14, 2026
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FacadeUtil::renderBlockState now uses the matching RenderType instead of treating the facade as solid
[1.21.1-0.2.5] 1.21.1-0.2.5
by Lothrazar on Oct 14, 2026
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Update fluid rendering helpers to use COLOR_DEPTH_WRITE. Cleaned up some 'flib test' logging
[1.21.1-0.2.4] 1.21.1-0.2.4
by Lothrazar on Oct 14, 2026
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Fix renderLaser helpers. Fix some RenderTypes. Fix client crash related to 'java.io.IOException: Packet play/clientbound/minecraft:custom_payload'. Fix RenderBlockUtils::line()
[1.21.1-0.2.3] 1.21.1-0.2.3
by Lothrazar on Oct 14, 2026
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Fix cube vertex rendering
[1.21.1-0.2.2] 1.21.1-0.2.2
by Lothrazar on Oct 14, 2026
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Patch fall_damage packet
[1.21.1-0.2.1] 1.21.1-0.2.1
by Lothrazar on Oct 14, 2026
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Add ItemStackUtil:addOrMergeIntoList and ChatUtil:statusMessage for blockstate to assist Storage Network. Add data/OpCompareType and gui/TileableTexture
[1.21.1-0.2.0] 1.21.1-0.2.0
by Lothrazar on Oct 14, 2026
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Fix default value in GameRuleFactory createBoolean. @Deprecated FluidTagIngredient bedcause a version has been merged into neoforge, see SizedFluidIngredient. Added DataComponentsFlib. Added Codec and StreamCodec to RelativeShape, EnergyIngredient, and RandomizedOutputIngredient for 1.21 data-component support. Since enchantments are data driven now, removed EnchantmentFlib class; its helpers (getCurrentLevelTool, getCurrentArmorLevel/Slot, getLevelAll, getFirstArmorStackWithEnchant) were merged into EnchantUtil. TagDataUtil.buildNamedPlayerSkull now uses DataComponents.PROFILE / ResolvableProfile instead of the legacy SkullOwner CustomData tag (buildSkullFromTag removed). Add BucketItemFlib to assist modded fluids. ItemStackUtil.addLoreToStack now appends to existing lore instead of overwriting it. Render types updated 1.21 compatibility.
[1.21.1-0.1.1] 1.21.1-0.1.1
by Lothrazar on Oct 14, 2026
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Add TintedVertexConsumer. Add Helper methods to RecipeCauldronFactory for use with several things including dependent-mod JEI plugins
[1.21.1-0.1.0] 1.21.1-0.1.0
by Lothrazar on Oct 14, 2026
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Ported to Minecraft 1.21
[1.20.1-0.0.14] 1.20.1-0.0.14
by Lothrazar on Oct 14, 2026
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Fix cross compatibility both neoforge and old-forge v47.1.47+.
[https://www.curseforge.com/minecraft/mc-mods/flib/files/5495793](https://www.curseforge.com/minecraft/mc-mods/flib/files/5495793)
[https://www.curseforge.com/minecraft/mc-mods/flib/files/5495793](https://www.curseforge.com/minecraft/mc-mods/flib/files/5495793)
[1.20.1-0.0.5] FLIB 1.20.1-0.0.5
by Lothrazar on Oct 14, 2026
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Ported to 1.20
[1.19.4-0.0.4] 1.19.4-0.0.4
by Lothrazar on Oct 14, 2026
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First 1.19.4 port.
Added /flib help command
Added /flib help command
