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Bug Fixes (1 of 8) ​

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Fix broken speed and jump modifiers on boots ​

Speed and jump modifiers read as zero on EMT's Boots of the Traveller, Thaumic Exploration's Boots of the Meteor and Comet, ThaumicBoots' upgraded boots and Witching Gadgets' Primordial Armor whenever the item had no stored modifier yet; a fresh pair got no bonus at all.

Shipped in: Electro-Magic-Tools #109, Thaumic_Exploration #49, ThaumicBoots #46, WitchingGadgets #101

Fix chunk unload crashes with multiparts ​

Fixed crashes that occurred when multipart blocks (especially wireless redstone receivers) tried to update after their tile entity was already destroyed during chunk unload.

Shipped in: ForgeMultipart #46, WirelessRedstone-CBE #19

Fix mouse cursor on high-DPI displays ​

Fixed the mouse pointer snapping to incorrect positions on high-DPI and Retina displays. The fix now works across all systems with display scaling, not just macOS, while preserving full rendering quality.

Shipped in: lwjgl3ify #244, lwjgl3ify #231

Fix multiblock structure symmetry ​

Corrected structural symmetry issues in the BEC Storage, BEC Assembler, Assembly Complex, Forge of Gods, Antimatter Forge and Antimatter Generator. Missing glass blocks and asymmetric sections have been fixed. Existing builds of these multiblocks will unform and must be adjusted to the corrected layout.

rebuild required - 1 of these change(s). The steps are on the Before you update page.

Shipped in: GT5-Unofficial #7029, GT5-Unofficial #6760

Fix non-QWERTY keyboard layout support ​

Keys now show their correct names in the controls menu on non-QWERTY layouts, and Escape, Home, the lock keys and the Ctrl/Shift/Alt/Super modifiers now follow your keyboard layout instead of their physical position. Both bugs came from mixing up a key's physical position on the board with the character your layout actually produces there.

Shipped in: lwjgl3ify #292, lwjgl3ify #287

Fix placing multiple rockets on the same landing pad ​

Players can no longer place multiple rockets on the same landing pad simultaneously. This closes one path toward a known duplication exploit affecting both Galacticraft and Galaxy Space rockets, but does not fix the duplication bug itself.

Shipped in: Galacticraft #128, Galaxy-Space-GTNH #148

Fix pocket plane portal bugs ​

Fixed multiple pocket plane issues including keystone binding failures, ping-pong teleport loops, world-save issues that could lose a freshly generated pocket plane, and incorrect player orientation on portal exit.

Shipped in: ThaumicHorizons #115, ThaumicHorizons #114

Fixed ItemStack remapping breaking old worlds ​

Fixed cover registrations and other ItemStack-keyed data silently breaking in old worlds: GTItemStack hashed on the item id, which Forge changes when you enter an existing world. GTItemStack now hashes on the item itself, so its hash no longer changes when Forge remaps item ids.

Shipped in: GT5-Unofficial #5854, GT5-Unofficial #5849

Freecam mod compatibility across 14 mods ​

Rendering across 14 mods now uses the correct camera entity instead of the player position, fixing broken skies, billboards, culling, and HUD elements when using freecam or spectator camera mods. Affected mods include Galacticraft, Galaxy Space, Twilight Forest, EnderIO, LogisticsPipes, and more.

Shipped in 14 pull requests

Machines no longer silently void outputs ​

Multiblocks with void protection enabled now hold a recipe back and report a full output instead of destroying items or fluids that will not fit. ME output hatches also properly respect priority ordering and no-voiding mode, preventing fluid loss when multiple outputs overflow simultaneously.

Shipped in: GT5-Unofficial #7096, GT5-Unofficial #7089, GT5-Unofficial #7060, GT5-Unofficial #6941, GT5-Unofficial #6630, GT5-Unofficial #7310, GT5-Unofficial #7467

Remove invalid fuel acceptance from generators ​

Fixed the Geothermal Engines, Rocket Engines and Semifluid Generators accepting any burnable item as fuel. These generators now only accept their intended fuel types, preventing unintended EU conversion from items like compressed coal blocks.

Shipped in: GT5-Unofficial #6660, GT5-Unofficial #6642

Rework CAL imprint system ​

Circuit Assembly Line imprints and sliced circuits were rebuilt from scratch, fixing Circuit Assembly Lines that stopped accepting imprints in the 2.9 dailies. Old imprints and sliced circuits now carry a deprecation warning; put one in a crafting grid to get the new version back. MatterManipulator compatibility has been updated to match.

world data - 1 of these change(s). The steps are on the Before you update page.

Shipped in: GT5-Unofficial #5771, MatterManipulator #21, GT5-Unofficial #7339, GT5-Unofficial #7344

ToroHealth popup reliability fixes ​

Fixed multiple issues with health popups: they no longer appear spuriously when mobs spawn, enter new dimensions, or have their max health modified by other mods.

Shipped in: ToroHealth #7, ToroHealth #6, ToroHealth #5, ToroHealth #4

Waypoint beacons no longer invisible nearby ​

Navigator and Share-Where-I-am waypoint beacons are now visible in the world again when the waypoint is close to the player. A distance-based fade effect from JourneyMap was incorrectly hiding them.

Shipped in: Navigator #14, Share-Where-I-am #8

Block breaker pipe connectivity fix ​

Project Red and OpenBlocks block breakers now push their drops into item pipes correctly. One fix adds the missing IInventory interface for pipe connectivity, and another corrects the inventory side items are pushed to.

Shipped in: OpenBlocks #46, ProjectRed #79

Distillation Pattern Encoder ​

Thaumic Energistics' Distillation Pattern Encoder gave every aspect a size of 1 instead of the amount the item actually holds, and did not show the amount at all. It now stores and displays the real essentia counts, and loading a new item clears every aspect slot instead of only the first.

Shipped in: ThaumicEnergistics #112

Eldritch Blood Orb capacity display fix ​

The Eldritch Blood Orb tooltip now correctly shows its LP storage capacity. The underlying max LP calculation was also fixed to store capacity directly instead of deriving it from tier, resolving inaccurate displays for high-tier and modded orbs. On an existing world your LP bar will show a maximum of 0 until you right-click any bound blood orb once; that re-records your Soul Network's capacity.

Shipped in: BloodMagic #126, ForbiddenMagic #20

Fix /back spawning inside blocks ​

Fixed the /back command sometimes placing players inside graves, walls, or other blocks. Returning to a death point now drops you centered on the block and just above it, instead of inside the grave or a wall.

Shipped in: ServerUtilities #327, ServerUtilities #322

Fix 64x64 skin rendering issues ​

Fixed player heads rendering as black squares when using SimpleSkinBackport's 64x64 skins. SimpleSkinBackport now also decodes 64x64 skins for other mods' player renders (BetterQuesting's party view, for one), and the ServerUtilities tab list samples the actual skin size so heads render at either resolution.

Shipped in: ServerUtilities #339, SimpleSkinBackport #3

Fix active item tooltip detection ​

Tooltip detection now correctly identifies the active item stack in GT5U recipe overlays and NEI addon displays. Hovering an item in an NEI recipe now shows that item's own extra lines (chance, 'not consumed', byproduct info) instead of another slot's.

Shipped in: GT5-Unofficial #6643, neiaddons #12

Fix AE2 component copying in Matter Manipulator ​

Matter Manipulator now correctly copies fluid settings in AE2 dual interfaces and Level Emitter configurations. The copying logic was reworked to use AE2's own memory card methods, ensuring all settings transfer reliably.

Shipped in: MatterManipulator #58, MatterManipulator #33

Fix crash when hinting frame blocks ​

Fixed a crash caused by a missing side check when using a wrench on GT multiblock frame blocks. This affected Botanic Horizons wrenches in particular and had persisted since 2.8.1.

Shipped in: GT5-Unofficial #5555, GT5-Unofficial #5209

Fix Electric Jukebox disc playback ​

The Electric Jukebox now plays modded discs and Pigstep correctly, and no longer loops vanilla music discs. The underlying resource name lookup has been fixed to match how Minecraft actually registers records.

Shipped in: GT5-Unofficial #7560, GT5-Unofficial #5759, GT5-Unofficial #5758

Fix flipped bottom-face textures across mods ​

Blocks from ArchitectureCraft, Chisel, GregTech and OpenComputers no longer show flipped bottom faces when Hodgepodge's optional fixBottomFaceUV setting is turned on. All affected mods now correctly adapt to Hodgepodge's fixBottomFaceUV option.

Shipped in: ArchitectureCraft #28, Chisel #76, GT5-Unofficial #5796, GT5-Unofficial #5449, OpenComputers #171

Fix GT5U detection so it no longer matches GT6 ​

Eight mods were checking for the mod id gregtech, which GT6 also uses, so their GT5U-specific integrations fired on GT6 too. They now check GT5U's dedicated gregtech_nh id. Affected mods include BlockRenderer, Galacticraft, HarvestCraft, LogisticsPipes, MagicBees, OpenComputers, OpenModularTurrets, and ThaumicTinkerer.

Shipped in: BlockRenderer6343 #57, Galacticraft #147, harvestcraft #74, LogisticsPipes #131, MagicBees #64, OpenComputers #214, OpenModularTurrets #12, ThaumicTinkerer #103

Fix JourneyMap powerfail markers ​

Markers can now be properly cleared, and multiple powerfails in the same chunk are displayed correctly instead of overlapping.

Shipped in: GT5-Unofficial #5050, GT5-Unofficial #5049, GT5-Unofficial #4996, GT5-Unofficial #5576

Fix night vision after dimension change ​

Fixed the Dark Steel armor night vision upgrade permanently turning off after traveling through portals. The effect is now applied server-side so it correctly survives dimension changes.

Shipped in: EnderIO #262, EnderIO #261, EnderIO #231

Fix Tantalum Hafnium Carbide stats ​

Tantalum Hafnium Carbide now has correct material properties, preventing unintentionally overpowered tools.

Shipped in: GT5-Unofficial #5566, GT5-Unofficial #5565

Fix transformers not accepting EU after mode switch ​

Transformers again accept EU after being switched between step-up and step-down mode.

Shipped in: GT5-Unofficial #6927, GT5-Unofficial #6779, GT5-Unofficial #6751

Fix UEV, UIV, and LUV Recipe Errors ​

Corrected material mismatches in LuV, UHV, UEV and UIV recipes: BioLabs, the Electric Auto Workbench, the Advanced Rhodium-Palladium casing, Buck Converters and the multi-ampere energy and dynamo hatches now use the intended tier metals.

Shipped in: GT5-Unofficial #7865, GT5-Unofficial #7808

Fix Vajra ghost block desync ​

Fixed Vajra ghost blocks where destroyed blocks remained visible to other players until right-clicked. Sneak + right-click with the Vajra always breaks the targeted block, including machines, instead of opening its GUI.

Shipped in: GT5-Unofficial #6405, GT5-Unofficial #6403, GT5-Unofficial #6402

Fix wrench behavior in toolbox ​

Fixed two issues with wrenches stored in the Field Engineer's Toolbox: precise mode now works, and IC2 blocks such as reactor chambers now drop themselves instead of a plain machine casing.

Shipped in: GT5-Unofficial #6822, GT5-Unofficial #6771

Fixed missing Chisel drawer recipes ​

Chisel recipes for non-vanilla Storage Drawers were missing due to a mod loading order issue. Drawer pack blocks registered early in startup are now queued and handed to Chisel once it has loaded, restoring the missing recipes.

Shipped in: StorageDrawers #71, StorageDrawers #69, StorageDrawers #62

Fresh installs no longer break on a bad library download ​

The launcher checks every library it downloads against a checksum, so a corrupted or truncated file is caught right there instead of crashing the game later with an unrelated error. One checksum was missing, which broke the launcher on fresh installs, and a failed check crashed instead of saying which file failed. Both are fixed.

Shipped in: lwjgl3ify #354, lwjgl3ify #333

GraviSuite status message fixes ​

GraviSuite armor and tool status messages are now translated on your client instead of always appearing in English. Messages are now sent server-side and properly localized on the client.

Shipped in: Gravitation-Suite-Neo #35, Gravitation-Suite-Neo #32

Holo Glasses work from any armor slot ​

HoloInventory now checks all armor slots for holo glasses instead of only the helmet, and a bug where mechanical armor could block other glasses from working has been fixed. Augment slot restrictions were also adjusted so Holo Inventory and Apiarist augments can go in any armor piece.

Shipped in: GT5-Unofficial #7009, HoloInventory #62, HoloInventory #61

Improved Cauldron NEI recipe display ​

Cauldron washing recipes now have their own NEI page, showing the water consumed and noting that any stack size works.

Shipped in: GT5-Unofficial #5549, GT5-Unofficial #5542, GT5-Unofficial #5539, GT5-Unofficial #6458

Noble gas centrifuge recipe fixed ​

Noble gas cells are once again obtainable via centrifuging liquid air. Liquid air was being registered before the gases it decomposes into, so the centrifuge recipe was generated empty.

Shipped in: GT5-Unofficial #5156, GT5-Unofficial #5149

Redwood saplings require full 7x7 field ​

Redwood trees can no longer grow from a single sapling. They now correctly require a full 7x7 field of saplings as originally intended.

Shipped in: Natura #37, Natura #34

Rose Gold singularity color fix ​

The Rose Gold singularity's color now matches GregTech's rose gold material; it was previously a yellow that belonged to no material at all.

Shipped in: Universal-Singularities #16, Universal-Singularities #12, GT5-Unofficial #5394

Trophy rendering fixes and optimization ​

Improved trophy rendering performance by culling off-screen trophies, skipping labels beyond 32 blocks, caching the date label text, and batching font rendering when Angelica is present. Also fixed a crash when reloading worlds with trophies in the hotbar.

Shipped in: Amazing-Trophies #25, Amazing-Trophies #24, Amazing-Trophies #23

TX-Loader resource pack load order fix ​

Non-forced resource packs from ./config/txloader/load/ now correctly override other mods' resources instead of being silently overridden. Also fixed asset copying failures when directory structures were missing.

Shipped in: TX-Loader #21, TX-Loader #19

Waila fluid display for non-GT mods ​

Fluid bars are now tinted with the correct color for fluids from any mod, not just GregTech, and waila's built-in BuildCraft, ExtraUtilities, OpenBlocks, Railcraft and Thermal Expansion/Dynamics tank tooltips no longer duplicate the ones WAILAPlugins provides. Previously non-GregTech fluids drew an untinted white bar.

Shipped in: waila #69, waila #54, waila #56

Witching Gadgets native cluster overhaul ​

Nugget transmutation is now driven by an explicit per-material flag in GregTech instead of being inferred, which removes the duplicate and nonsensical entries that used to show up in NEI. Duplicate and invalid recipes are removed, and ice ore clusters now have proper recipes.

Shipped in: GT5-Unofficial #5133, WitchingGadgets #104, WitchingGadgets #93

Corrected Ginkgo spelling across mods ​

The misspelling 'Gingko' has been corrected to 'Ginkgo' throughout Binnie's Mods (item names, textures and internal identifiers) and in Nutrition's nutrient config. Note: this renames the internal genetics identifier for the tree species, so already-placed Ginkgo trees or in-progress mutations may need to be replanted or reset.

Shipped in: Binnie #105, Nutrition #36

Fix Coke item texture alignment ​

Fixed the Coke item texture so it now aligns properly with the coal texture. The sprite was shifted one pixel to line up with coal.

Shipped in: Railcraft #102, Railcraft #101

Fix GregTech version detection across mods ​

BloodMagic, Translocators and Waila now check for the gregtech_nh mod ID, so they no longer mistake GregTech 6 for GT5-Unofficial when the two share a mod ID.

Shipped in: BloodMagic #144, FindIt #27, Translocators #12, waila #45

Fix Twilight Forest block names ​

Fixed various Twilight Forest logs and leaves showing raw locale keys instead of proper names in WAILA and tooltips. Also synchronized translations across five languages.

Shipped in: twilightforest #139, twilightforest #129

Fixed Computronics and GT5U load order conflict ​

Computronics no longer declares a load-order dependency on the gregtech mod id - which GT6 also uses - and GT5-Unofficial now declares the ordering from its own side instead. Both mods had their dependency declarations corrected.

Shipped in: Computronics #42, GT5-Unofficial #7605

Headless environment compatibility fixes ​

BetterLoadingScreen and Opis no longer crash in headless Java environments (servers, CI systems, or lwjgl3ify 3.x setups) that lack a display.

Shipped in: BetterLoadingScreen #29, Opis #16

PCB Factory: other fixes and balance ​

The PCB Factory picked up a batch of fixes: the biochamber recipe lost its incorrect bio-catalyst gating, the minimum casing count is only checked on Tier 3, hatch placement on Tier 3 was unrestricted, the factory no longer requires a cooling tower to run, and the controller tooltip and Tier 3 hints were corrected.

Shipped in 11 pull requests

Platline chemical formula corrections ​

Fixed incorrect chemical formulas for platinum-line materials. Formulas that claimed a chemically balanced composition they do not have now use question marks for the unknown parts instead.

Shipped in: GT5-Unofficial #5600, GT5-Unofficial #5564

Witchery Distillery output slot ​

Hoppers and pipes could push items into the Witchery Distillery's output slot. WitcheryExtras has carried a fix for that since 2024, but its mixin never bound outside a development environment, so the packaged pack never had it. It applies now.

Shipped in: WitcheryExtras #31

Prevent errors from disposed UI widgets ​

ModularUI panels now check that a widget is still alive before sending it mouse or keyboard input, fixing errors with dynamically swapped widgets.

Shipped in: ModularUI2 #80, ModularUI2 #70

Everything in Bug Fixes not covered by an entry above: 1357 change(s) across 138 mods.


Index · Previous: Performance · Next: Bug Fixes (2 of 8)

Contributors ​

Everyone who authored, reviewed or co-authored a change on this page, with how many of them:

@UltraProdigy (42), @Dream-Master (39), @boubou19 (18), @Caedis (18), @felixfour (14), @Luca-Guettinger (13), @Eldrinn-Elantey (10), @glowredman (10), @RecursivePineapple (10), @danyadev (9), @koolkrafter5 (9), @Algent (8), @chochem (8), @Nikolay-Sitnikov (8), @Alexdoru (7), @AnsonYeung (7), @eigenraven (7), @chrombread (6), @hinyb (6), @FourIsTheNumber (5), @leagris (5), @Nana-Sakura (5), @wlhlm (5), @Yoshy2002 (5), @Auynonymous (4), @czqwq (4), @evgengoldwar (4), @MalTeeez (4), @MLGfruitshoot (4), @Ranzuu (4), @sisyphussy (4), @slprime (4), @SuperSoupr (4), @alppp (3), @Copilot (3), @Kogepan229 (3), @lc-1337 (3), @Ruling-0 (3), @sbancuz (3), @serenibyss (3), @tiffit (3), @Vlamonster (3), @VortexSo4 (3), @0hwx (2), @combusterf (2), @cubefury (2), @FalsePattern (2), @kuba6000 (2), @Lyfts (2), @querns (2), @RealSilverMoon (2), @Sanduhr32 (2), @thehoblit (2), @YannickMG (2), @ah-OOG-ah (1), @Angry3vilbot (1), @Bjdufre1 (1), @BlueWeabo (1), @brachy84 (1), @C0bra5 (1), @Cardinalstars (1), @Discreater (1), @EnderProyects (1), @Ethryan (1), @Florexiz (1), @GDCloudstrike (1), @ghostflyby (1), @guid118 (1), @mitchej123 (1), @Morilli (1), @Nockyx (1), @NotAPenguin0 (1), @NotKaizul (1), @Rikka-Kitani (1), @seventh-june (1), @Spicierspace153 (1), @SST-03 (1), @tilocih203 (1)