Lightricks

Issues somebody may already be working on are listed last. List everything by date

• Add sm_121a (NVIDIA GB10 / DGX Spark) to the NVFP4 build targets

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  Difficulty 2/5 1-3 hours Newbie friendliness 72/100

  Lightricks/LTX-2#336 · 1 comment · Opened Nov 14, 2026

• 001

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  Lightricks/ComfyUI-LTXVideo#589 · Opened Nov 11, 2026

• 001

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  Lightricks/ComfyUI-LTXVideo#588 · Opened Nov 11, 2026

• bong_tangent option

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  Difficulty 2/5 1-3 hours Newbie friendliness 47/100

  Lightricks/ComfyUI-LTXVideo#587 · Opened Nov 11, 2026

• LTX 2.5 Ingredients: four-view reference sheet remains as four figures in the output

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  Lightricks/ComfyUI-LTXVideo#586 · Opened Nov 7, 2026

• الان اريدك ان تولد فيديوات بالذكاء الاصطناعي حقيقية

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  Lightricks/LTX-2#335 · 3 comments · Opened Nov 6, 2026

• A2VidPipelineTwoStage on DGX Spark (GB10): frequent Xid 31 / "unspecified launch failure" at the stage-2 handoff with the standard transformer loader; passes with CUDA_LAUNCH_BLOCKING=1 or --offload cpu

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  Difficulty 4/5 3-5 days Newbie friendliness 34/100

  Lightricks/LTX-2#334 · Opened Nov 6, 2026

• LTXVAddGuideAdvanced and LTXFetaEnhance not working

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  Difficulty 3/5 1-2 days Newbie friendliness 25/100

  Lightricks/ComfyUI-LTXVideo#585 · Opened Oct 28, 2026

• LTXV Q8 Patcher doesn't work with the public q8_kernels (missing `patch_comfyui_native_avtransformer`, old signature, old RoPE format)

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  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  Lightricks/ComfyUI-LTXVideo#584 · Opened Oct 20, 2026

• LTXV Tiled Fusion Sampler: support downscaled IC-LoRA guides so the Pixel Spatial Upscaler can reach 4K

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  Lightricks/ComfyUI-LTXVideo#582 · Opened Oct 19, 2026

• Workflow Templates - example_workflows are not auto loaded into the template gallary

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  Difficulty 3/5 Half a day Newbie friendliness 45/100

  Lightricks/ComfyUI-LTXVideo#576 · Opened Oct 7, 2026

• colour-science breaking custom nodes installation

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  Difficulty 3/5 1-2 days Newbie friendliness 30/100

  Lightricks/ComfyUI-LTXVideo#575 · Opened Oct 6, 2026

• LTXVImgToVideoConditionOnly modifies its input latent in place, so cached runs can condition on a previous prompt's image

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  Difficulty 2/5 1-3 hours Newbie friendliness 74/100

  Lightricks/ComfyUI-LTXVideo#569 · 1 comment · Opened Sep 27, 2026

• ComfyUI: v0.37.0-31-g88ab4a06 (2026-09-24) red cross for LTXVLoader

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  Difficulty 4/5 1-2 days Newbie friendliness 15/100

  Lightricks/ComfyUI-LTXVideo#568 · Opened Sep 27, 2026

• DFRPipeline in comfy?

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  Difficulty 4/5 Over a week Newbie friendliness 12/100

  Lightricks/ComfyUI-LTXVideo#566 · Opened Sep 23, 2026

• LoRA fusion is ~10x slower than it needs to be on DGX Spark (GB10); a registry state-dict aliasing bug in `_build_pinned_source`; and slow first GPU reads of `cudaHostRegistered` block buffers

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  Lightricks/LTX-2#318 · Opened Sep 22, 2026

• TypeError: AudioVAE.__init__() takes 2 positional arguments but 3 were given (Fixed: PR #562)

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  Difficulty 3/5 Half a day Newbie friendliness 18/100

  Lightricks/ComfyUI-LTXVideo#563 · Opened Sep 19, 2026

• WHEN will the kornia.geometry.transform.pyramid import issue be fixed?

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  Difficulty 1/5 Under an hour Newbie friendliness 15/100

  Lightricks/ComfyUI-LTXVideo#561 · 2 reactions · Opened Sep 18, 2026

• [Training Details of dubit]

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  Difficulty 5/5 Over a week Newbie friendliness 12/100

  Lightricks/LTX-2#311 · Opened Sep 8, 2026

• Library use of ltx_pipelines without inference_mode retains the text encoder through autograd

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  Difficulty 2/5 1-3 hours Newbie friendliness 35/100

  Lightricks/LTX-2#310 · Opened Sep 6, 2026

• ComfyUI-LTXVideo DynamicConditioning Conflict with Creepy_nodes

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  Difficulty 4/5 3-5 days Newbie friendliness 18/100

  Lightricks/ComfyUI-LTXVideo#557 · Opened Sep 5, 2026

• LTX IC Lora Loader (Model Only) will not load into ComfyUi

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#553 · 4 comments · Opened Aug 23, 2026

• [ltx-pipelines] i2v at 1216x832 crashes DiffVAE decoder with illegal memory access (t2v same res OK, i2v 704/768 OK)

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  Difficulty 4/5 3-5 days Newbie friendliness 18/100

  Lightricks/LTX-2#288 · 2 comments · Opened Aug 16, 2026

• GemmaAPITextEncode: no LTX-2.5 checkpoint carries the 'encrypted_wandb_properties' model_id key

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#549 · 1 reaction · Opened Aug 16, 2026

• Bug - Train/inference parity: three divergences between ltx-trainer and ltx-core / ltx-pipelines

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  Difficulty 4/5 3-5 days Newbie friendliness 18/100

  Lightricks/LTX-2#283 · 1 comment · Opened Aug 14, 2026

• Confirm: LTX-2.5 video/audio VAE *encoders* are byte-identical to LTX-2.3 (undocumented)

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  Difficulty 2/5 1-3 hours Newbie friendliness 35/100

  Lightricks/LTX-2#275 · 1 comment · Opened Aug 12, 2026

• LTX 2.5 CLIP Text Encode (Negative Prompt) ERROR

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#548 · 2 comments · Opened Aug 12, 2026

• Mystery 2nd Default Prompt

  May be free again @adamoster claimed this 88 days ago, and no pull request is open. Open

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  Lightricks/ComfyUI-LTXVideo#546 · 1 assignee · Opened Aug 10, 2026

• Nodes Error after installed

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  Difficulty 4/5 3-5 days Newbie friendliness 12/100

  Lightricks/ComfyUI-LTXVideo#544 · 4 comments · Opened Aug 4, 2026

• Bug: ImportError: cannot import name 'pad' from 'kornia.geometry.transform.pyramid' (Breaks on latest ComfyUI)

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  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  Lightricks/ComfyUI-LTXVideo#542 · 4 comments · Opened Aug 2, 2026

• Fix ImportError with newer Kornia versions (missing pad import)

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  Difficulty 1/5 Under an hour Newbie friendliness 72/100

  Lightricks/ComfyUI-LTXVideo#541 · 3 comments · 3 reactions · Opened Aug 1, 2026

• LTXVLoadConditioning bad results

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  Difficulty 4/5 3-5 days Newbie friendliness 12/100

  Lightricks/ComfyUI-LTXVideo#539 · Opened Jul 29, 2026

• Error message occurred while importing the 'ComfyUI-LTXVideo' module.

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  Difficulty 3/5 Half a day Newbie friendliness 35/100

  Lightricks/ComfyUI-LTXVideo#538 · 4 comments · Opened Jul 27, 2026

• [ComfyUI 0.28.0] ImportError: cannot import name 'interleaved_freqs_cis'

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  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  Lightricks/ComfyUI-LTXVideo#537 · 6 comments · 4 reactions · Opened Jul 27, 2026

• support for python 3.14

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  Difficulty 3/5 Half a day Newbie friendliness 18/100

  Lightricks/ComfyUI-LTXVideo#536 · Opened Jul 26, 2026

• Import failed after refresh comfyui to 0.28

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  Difficulty 3/5 1-2 days Newbie friendliness 42/100

  Lightricks/ComfyUI-LTXVideo#535 · 8 comments · Opened Jul 26, 2026

• LTX2 Sampling Preview Override in subgraph preview problem

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  Lightricks/ComfyUI-LTXVideo#533 · 5 comments · 1 reaction · Opened Jul 26, 2026

• Import failed - Possible upstream changes

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  Lightricks/ComfyUI-LTXVideo#531 · 17 comments · 9 reactions · Opened Jul 24, 2026

• Can this plugin be made compatible with the int8-ConvRot large model?

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  Difficulty 4/5 3-5 days Newbie friendliness 18/100

  Lightricks/ComfyUI-LTXVideo#529 · 1 reaction · Opened Jul 22, 2026

• LTXVHDRDecodePostprocess - Execution failed

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  Lightricks/ComfyUI-LTXVideo#528 · 1 comment · Opened Jul 17, 2026

• Fix ImportError: cannot import name 'pad' from kornia ≥ 0.8.3

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  Difficulty 1/5 Under an hour Newbie friendliness 75/100

  Lightricks/ComfyUI-LTXVideo#525 · 6 comments · 3 reactions · Opened Jul 8, 2026

• LTX2.3 ia2v

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  Difficulty 4/5 3-5 days Newbie friendliness 15/100

  Lightricks/ComfyUI-LTXVideo#524 · Opened Jul 4, 2026

• Input contains (near) NaN/+-Inf, LTX-2.3, ComfyUI

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#523 · Opened Jun 30, 2026

• with RTX 5090 200GB RAM - ltx 2.3 is broken; it runs out of memory (OOM) when I increase the frame count, but even when I drop it to 120 frames, it still OOMs—despite working perfectly before. I’ve tested it on multiple instances across VAST and RunPod

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  Difficulty 4/5 3-5 days Newbie friendliness 15/100

  Lightricks/ComfyUI-LTXVideo#522 · Opened Jun 30, 2026

• TextGenerateLTX2Prompt 报错 （model files match requirement）

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  Difficulty 4/5 1-2 days Newbie friendliness 30/100

  Lightricks/ComfyUI-LTXVideo#520 · Opened Jun 23, 2026

• Error i get.. Everything installed and good.. but this.. AttributeError: 'PixelspaceConversionVAE' object has no attribute 'latent_frequency_bins'

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  Difficulty 3/5 Half a day Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#519 · Opened Jun 22, 2026

• The generated video doesn't follow the input image

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  Difficulty 5/5 Over a week Newbie friendliness 18/100

  Lightricks/ComfyUI-LTXVideo#518 · 2 comments · 1 reaction · Opened Jun 20, 2026

• Installation/Import Fails

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  Difficulty 3/5 1-2 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#517 · 21 comments · Opened Jun 18, 2026

• All of my LTX 2.3 workflows have this error, "DualCLIPLoader json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)"

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  Difficulty 3/5 1-2 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#515 · Opened Jun 18, 2026

• video frames all blank

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  Difficulty 4/5 3-5 days Newbie friendliness 22/100

  Lightricks/ComfyUI-LTXVideo#512 · 1 comment · Opened Jun 17, 2026