Issues

• LTX-2.5 22B causes GPU stall/data corruption or full system freeze on AMD ROCm (RX 7600 XT, 16GB) at low-res→high-res sampling transition

  Lightricks/LTX-2#325 · Filter by author Neon68-VOXini opened on Sep 29, 2026
  1

• taqui

  Lightricks/LTX-2#322 · Filter by author yubaujhuniortaqui-blip opened on Sep 28, 2026

• ## LTX-2.5 MSR: identity and dialogue binding becomes unstable with 3 subjects

  Lightricks/LTX-2#320 · Filter by author hexfix93-cyber opened on Sep 23, 2026

• LTX-2.5 still produces unwanted text artifacts — is subtitle-heavy training data the cause?

  Lightricks/LTX-2#319 · Filter by author the-code-learner opened on Sep 23, 2026
  3

• 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

  Lightricks/LTX-2#318 · Filter by author deadseankennedy opened on Sep 22, 2026

• Fail clearly when model loading leaves uninitialized meta tensors

  Lightricks/LTX-2#316 · Filter by author liminfei-amd opened on Sep 22, 2026

• Yarzad

  Lightricks/LTX-2#314 · Filter by author mobinyarzada2211-bit opened on Sep 15, 2026

• [Training Details of dubit]

  Lightricks/LTX-2#311 · Filter by author lsfhuihuiff opened on Sep 8, 2026

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

  Lightricks/LTX-2#310 · Filter by author Andronigitty opened on Sep 6, 2026

• LTX in Rust

  Lightricks/LTX-2#305 · Filter by author mkschreder opened on Aug 30, 2026

• [ltx-core] SafetensorsStateDictLoader uses safetensors' default mmap backend; pread is ~2x faster and far more consistent on MPS

  Lightricks/LTX-2#304 · Filter by author dmlsrc opened on Aug 30, 2026

• [ltx-trainer] DDP validation crashes on transformer.num_blocks when STG is enabled

  Lightricks/LTX-2#301 · Filter by author Kaihua1203 opened on Aug 26, 2026

• Windows: invalid python storage in SafetensorsStateDictLoader when loading embeddings processor from LTX-2.5 split pack

  Lightricks/LTX-2#300 · Filter by author woodenriver05 opened on Aug 25, 2026
  1

• Mujhe animate video banane Hain

  Lightricks/LTX-2#295 · Filter by author a76376413-svg opened on Aug 22, 2026
  1

• ltx-kernels build fails on rolling-release toolchains (CUDA toolkit mismatch + -Werror on glibc/Python POSIX macro clash)

  Lightricks/LTX-2#292 · Filter by author zmelumian972 opened on Aug 19, 2026
  1

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

  Lightricks/LTX-2#288 · Filter by author mabry1985 opened on Aug 16, 2026
  2

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

  Lightricks/LTX-2#283 · Filter by author McMvMc opened on Aug 14, 2026
  1

• [LTX-2.5] DiffVAE AUTO tiling produces gray tails at the 2^32 stage-5 element boundary

  Lightricks/LTX-2#277 · Filter by author fff-ttt opened on Aug 12, 2026
  2

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

  Lightricks/LTX-2#275 · Filter by author ofir-bar-tal opened on Aug 12, 2026
  1

• FileExistsError on Windows at end of training when optimization.steps is a multiple of checkpoints.interval

  Lightricks/LTX-2#271 · Filter by author Andronigitty opened on Aug 8, 2026
  1

• [Feature Request]: Provide Reference audio For LipDub to Redub existing videos

  Lightricks/LTX-2#242 · Filter by author jazir555 opened on Jun 27, 2026

• Per-component offload: streaming text encoder while transformers stay GPU-resident (warm-serving OOM at 96 GB)

  Lightricks/LTX-2#232 · Filter by author patraxo opened on Jun 11, 2026
  1

• Are the ltx-core and ltx-pipelines PyPI packages officially published by Lightricks?

  Lightricks/LTX-2#228 · Filter by author troilus-canva opened on Jun 3, 2026
  2

• LTX-2.3 training requires a lot of VRAM

  Lightricks/LTX-2#180 · Filter by author rkfg opened on Mar 30, 2026
  4

• using simpletuner's AGPL3 code for quantisation

  Lightricks/LTX-2#176 · Filter by author bghira opened on Mar 25, 2026
  1