Issues

Issues

• Incompatability with 1.21.1 Mantle

  CaffeineMC/lithium#805 · opened on Nov 10, 2026
  1

• Lithium breaks melee skeletons added by weapons of miracles

  CaffeineMC/lithium#804 · opened on Nov 8, 2026
  1

• NullPointerException in LevelTicks.clearArea after a partly drained tick bucket (mixin.world.tick_scheduler)

  CaffeineMC/lithium#800 · opened on Nov 6, 2026
  1

• Bed explosions do not create fire on the Nether bedrock roof with Lithium alone

  CaffeineMC/lithium#798 · opened on Nov 2, 2026
  2

• Better Campfires incompatibility

  CaffeineMC/lithium#792 · opened on Oct 13, 2026
  2

• Lithium-fabric-0.21.4+mc1.21.11 - Crash

  CaffeineMC/lithium#788 · opened on Sep 30, 2026

• GameEventDispatcherStorage retains LevelChunks forever — memory leak when chunks unload (mixin.world.game_events.dispatch)

  CaffeineMC/lithium#783 · opened on Sep 23, 2026
  5

• [1.21.1 Neo] ArrayIndexOutOfBoundsException in FlowingFluid.getSpread

  CaffeineMC/lithium#778 · opened on Sep 15, 2026
  1

• Lithium causes incorrect block collision in Ponder scenes in 1.21.1

  CaffeineMC/lithium#771 · opened on Aug 22, 2026
  2

• Lithium breaks menu in my mod Nukacraft

  CaffeineMC/lithium#763 · opened on Jul 25, 2026
  3

• Bug Lithium with Better Animations Collection

  CaffeineMC/lithium#753 · opened on Jun 27, 2026
  10

• better hopper optimize

  CaffeineMC/lithium#743 · opened on May 23, 2026
  3

• Just Dire Things Phase Upgrade not working properly

  CaffeineMC/lithium#737 · opened on Apr 18, 2026
  1

• Lithium mixin.world.explosions.block_raycast breaks FTB Chunks explosion protection

  CaffeineMC/lithium#734 · opened on Apr 8, 2026
  1

• Conflict with Iron's Spells mod

  CaffeineMC/lithium#723 · opened on Mar 18, 2026
  2

• Compatibility with SubTick

  CaffeineMC/lithium#722 · opened on Mar 15, 2026
  1

• Players keep crashing while exploring in corrupted chunks

  CaffeineMC/lithium#720 · opened on Mar 10, 2026
  3

• Lithium crashes client on corrupted chunk palette instead of safely skipping invalid entries (1.21.1 + Sodium + BetterEnd + C2ME)

  CaffeineMC/lithium#717 · opened on Feb 12, 2026
  4

• Packet handling error

  CaffeineMC/lithium#707 · opened on Jan 12, 2026
  2

• Server crashed while I was AFK - Missing Palette Entry Crash

  CaffeineMC/lithium#705 · opened on Dec 22, 2025
  3

• Internal Exception bytes extra whilst reading packet when clicking buttons in Armor Poser GUI

  CaffeineMC/lithium#703 · opened on Dec 17, 2025
  5

• Lithium breaks the blueprint rendering of Structurize.

  CaffeineMC/lithium#697 · opened on Nov 23, 2025
  2

• Hopper does not recognize Chest with servux

  CaffeineMC/lithium#669 · opened on Jul 28, 2025
  1

• Incompatibility with Ponder's "identify" Mode

  CaffeineMC/lithium#663 · opened on Jul 12, 2025
  3

• Iron's Spells 'n Spellbooks incompatibility, shields have no collision

  CaffeineMC/lithium#651 · opened on May 14, 2025
  9