Issues

• GTM8 - registering an 'ore' tag prefix always puts it in the gtceu namespace

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5644 · Filter by author Pyritie opened on Nov 11, 2026

• GTM 8 crash with sophisticated backpacks (and maybe Toolbelt)

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5643 · Filter by author Pyritie opened on Nov 11, 2026
  1

• GTCEu 8.0.0 – JEI 19.70 Compatibility Crash and fixed

  1.21type: bug
  GregTechCEu/GregTech-Modern#5642 · Filter by author k3kin opened on Nov 11, 2026
  1

• Recipe conflict between Stonecutter and Grindstone in Assembler

  1.21type: bug
  GregTechCEu/GregTech-Modern#5641 · Filter by author Mehr1us opened on Nov 11, 2026
  1

• Critical Gregtech Machine Memory Card bug makes Cover infinite.

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5640 · Filter by author Aether76 opened on Nov 10, 2026

• Multiple client-related methods are trying to be loaded on a dedicated server

  1.21type: bug
  GregTechCEu/GregTech-Modern#5639 · Filter by author carbonatek opened on Nov 9, 2026

• The Equipment Foundry widget is broken for some recipes

  1.21type: bug
  GregTechCEu/GregTech-Modern#5637 · Filter by author carbonatek opened on Nov 8, 2026

• Placement of GT ores takes more time than all placed features in a medium-sized modpack + vanilla combined

  1.21type: bug
  GregTechCEu/GregTech-Modern#5633 · Filter by author carbonatek opened on Nov 7, 2026

• bug that was claimed to be fixed in gtceu 7.5.2->7.5.3 is still present in 7.5.3

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5632 · Filter by author joeMama8456 opened on Nov 7, 2026
  2

• Redstone Detector prioritizes player-dumped items/fluids (Shared Item Inventory) instead of ae2-dumped items/fluids on Pattern Buffers

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5631 · Filter by author gummie2022 opened on Nov 6, 2026

• Larger storage for multiblock tanks

  1.20.1type: feature
  GregTechCEu/GregTech-Modern#5624 · Filter by author Lancelotbronner opened on Nov 4, 2026

• [1.20.1] Singleplayer structure terminal building fails due to "Unknown client sync field: patternStates"

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5616 · Filter by author tmageko opened on Nov 2, 2026

• Smithing table removes enchants

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5615 · Filter by author Thatonetimetraveller opened on Nov 2, 2026

• Texture issues

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5614 · Filter by author zlzhaidou opened on Nov 2, 2026

• ClassCastException in MachineUIPanel after resource pack reload (IDrawable$2 cannot be cast to UITexture)

  1.21type: bug
  GregTechCEu/GregTech-Modern#5612 · Filter by author tmageko opened on Nov 1, 2026
  2

• stationResearch via KubeJS on 1.21 does not generate Research Station recipe / Data Module has empty tooltip

  1.21type: bug
  GregTechCEu/GregTech-Modern#5609 · Filter by author tmageko opened on Oct 30, 2026

• 1.21-8.0.0 SNAPSHOT a373c6e. Terminal/EMI/Inworld preview does not see substructures so they are hard to make for players and packdevs.

  1.21type: bug
  GregTechCEu/GregTech-Modern#5607 · Filter by author Phoenixvine32908 opened on Oct 30, 2026
  2

• 1.21-8.0.0 SNAPSHOT a373c6e is incompatible with latest JEI version

  1.21type: bug
  GregTechCEu/GregTech-Modern#5606 · Filter by author Kaban4ik-Dev opened on Oct 30, 2026

• Smart Filter on exporting Robot Arm cause item voiding

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5603 · Filter by author juh9870 opened on Oct 29, 2026

• Slop-found issues for v8 vs v7

  GregTechCEu/GregTech-Modern#5599 · Filter by author jurrejelle opened on Oct 29, 2026

• 1.21-8.0.0 SNAPSHOT ee4a1d2 is incompatible with JEI

  1.21type: bug
  GregTechCEu/GregTech-Modern#5596 · Filter by author Kaban4ik-Dev opened on Oct 28, 2026

• "Butyraldehyde" is misspelled in its recipe in the code

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5590 · Filter by author litterbox0192 opened on Oct 27, 2026

• RecipeLogic progress is not synced to the client for Dynamic Renders

  1.21type: bug
  GregTechCEu/GregTech-Modern#5589 · Filter by author carbonatek opened on Oct 26, 2026
  2

• High Pressure Steam Miner not mining with steam connection (possible scanning coordinate chunk isue?)

  1.20.1type: bug
  GregTechCEu/GregTech-Modern#5580 · Filter by author KpCoding06 opened on Oct 24, 2026

• Terminal stuff

  GregTechCEu/GregTech-Modern#5578 · Filter by author jurrejelle opened on Oct 21, 2026