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Create 6.0.9

for Minecraft 1.21.1 released on January 2nd, 2026.

Optimizations

  • Slightly improve and optimize GlobalRailwayManager
  • Optimize memory & cpu usage of contraption collision generation

Bug Fixes

  • Fix old clipboard schematics causing issues #9462
  • Fix floating point issues within GantryContraptionEntity #9481
  • Fix deployers not calling SyncedBlockEntity#notifyUpdate
  • Fix schematics sticking around after instant placement #9494
  • Fix block entities calling getChunk throwing UOE on contraptions on the client #9459
  • Fix seats not being bouncy
  • Fix nixie tubes and redstone links being powered by torches supporting them #8734
  • Fix precision issue in TrackNodeLocation #9509
  • Fix Item requirement for placard's being completely broken #9511
  • Fix ladders having shading when on contraptions
  • Fix clay crushing recipe not always giving 4 clay balls
  • Fix potion-based fluid recipes #9563
  • Fix schematicannons defaulting to skip missing blocks #9543
  • Fix server crashing when cauldrons being filled have their contents removed #9547
  • Fix bound cardboard recipe not using #c:strings tag #9501
  • Fix Furnace Minecart contraption not stopping when mining blocks #9630
  • Fix Portable Storage Interface Connection Issue #9624
  • Fix multiple typos in ponder scenes
  • Fix Factory gauges not reading the contents of the network when they've just been loaded
  • Fix blocks that specify BlockState#emissiveRendering not being emissive when placed in copycat blocks #9675
  • Fix blocks failing to render when they do not have an associated block entity in the wrench rotation menu #9608
  • Fix shapeless recipes not having conditions added to the generated recipe #9613
  • Fix drills not dropping xp when breaking xp dropping blocks #9292
  • Fix Xaero's train map compat
  • Fix contraption collision and coupling when ticking is frozen
  • Fix tree fertilizer not destroying blocks when growing trees
  • Fix toolboxes deleting items when reloaded #8844
  • Fix Xaero's train map compat not respecting interfaceScale
  • Fix shift clicking items into attribute filter inserting the wrong item
  • Fix typing E closing schedule menu #9716
  • Fix encased fan shaft texture being rotated incorrectly #9762
  • Fix crash when disassembling train at station with cc tweaked computer attached #9720
  • Fix bottomless limit being over by 1 #9750
  • Fix copycat blocks dropping items when /fill'd