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GT New Horizons - 2.8.4 to 2.9.0-nightly-2026-09-04-03

4394 player-facing changes across 174 mods, from 6947 merged pull requests.

This is the detailed edition: every change carries its player summary, what changed in the code, and what you have to do about it. For a quick read, see ../CHANGELOG.md.

176 changes ask something of an existing world: 4 items disappear, 25 world data, 56 rebuild required, 34 read before updating, 13 check your build, 9 config, 35 recipes changed. Each is marked in place, with the steps under it.

Contents

  1. Multiblock structure rework
  2. Bose-Einstein Condensate multiblocks
  3. Nanochip Assembly Complex
  4. Crops NH
  5. The ModularUI2 port
  6. The memory campaign
  7. Angelica 2.x
  8. Applied Energistics and its addons (1 of 3)
  9. Applied Energistics and its addons (2 of 3)
  10. Applied Energistics and its addons (3 of 3)
  11. Recipes, quests and progression
  12. Hodgepodge
  13. GTNHLib
  14. NEI and recipe lookup
  15. The Vending Machine
  16. LittleTiles
  17. Tinkers' Construct
  18. New mods
  19. Highlights
  20. New Content
  21. Changes & Reworks
  22. Balance
  23. Performance
  24. Bug Fixes (1 of 2)
  25. Bug Fixes (2 of 2)
  26. Removals
  27. Removed mods

Images live in images/ beside these files and every link into them is relative, so this folder can be moved or zipped and still renders.