Repository navigation

Ltx 2.5 - #14447

Merged

yiyixuxu merged 88 commits into

mainfrom

ltx-2.5

Aug 11, 2026

Commits on Jul 28, 2026
- Add LTX-2.4 support to the LTX2 transformer, pipelines, and conversion script
  alexanderar
  committed
  78fcaf8
- Fix resolution-dependent timestep shift being a no-op in all LTX2 pipelines
  alexanderar
  committed
  420ad55
Commits on Jul 29, 2026
- Add LTX-2.4 duration head for automatic num_frames prediction
  alexanderar
  committed
  2bc3c93
Commits on Jul 30, 2026
- Add LTX-2 modular video and audio decoder blocks
  
  dg845
  and
  claude
  committed
  963f1e4
- Add LTX-2 modular pipeline (t2v + i2v) and parity harnesses
  
  dg845
  and
  claude
  committed
  6ca2c69
- Add script to create tiny LTX-2.4 test pipeline ckpt (under assumption that it inherits all configs from LTX-2.3)
  dg845
  committed
  d39c718
- make fix-copies
  dg845
  committed
  d6bbed1
- Run modular connector once on CFG-concatenated batch for bitwise parity
  
  dg845
  and
  claude
  committed
  f8bf0fa
- Use tiny LTX2VocoderWithBWE in the LTX-2.4 test checkpoint
  
  dg845
  and
  claude
  committed
  181861e
- Match LTX-2.4 transformer flags in the test checkpoint
  
  dg845
  and
  claude
  committed
  d0335ba
- Add CPU offload flag to parity scripts to be able to load full checkpoints
  dg845
  committed
  94cf57b
- Support dynamic timestep shift and duration head in LTX-2 modular pipeline
  
  dg845
  and
  claude
  committed
  ee19558
- Add duration predictor support for tiny checkpoint and parity scripts
  dg845
  committed
  4111b09
- Merge branch 'main' into ltx-2-4-modular
  dg845
  committed
  d4085b3
- Refactor LTX-2 modular guidance into video/audio guiders
  
  dg845
  and
  claude
  committed
  3582e4a
- Batch cond+uncond CFG forward to mirror standard LTX-2 pipeline
  
  dg845
  and
  claude
  committed
  932d824
Commits on Jul 31, 2026
- Drive LTX-2 modular guidance through the guider API (per-pass inputs)
  
  dg845
  and
  claude
  committed
  c372297
Commits on Aug 1, 2026
- Drive LTX-2 modular guidance via prepare_inputs_from_block_state
  
  dg845
  and
  claude
  committed
  fefc2b7
Commits on Aug 2, 2026
- Route LTX-2 batch-invariant denoiser kwargs via denoiser_input_fields
  
  dg845
  and
  claude
  committed
  7482c46
- Fix LTX-2 parity harnesses: guidance overrides reach both pipelines
  
  dg845
  and
  claude
  committed
  e2cb6f5
Commits on Aug 4, 2026
- Document denoiser_input_fields standalone-run caveat for LTX-2 denoiser
  
  dg845
  and
  claude
  committed
  7e11e36
- Address LTX-2 modular self-review: fix dead enhancer trigger + docstrings
  
  dg845
  and
  claude
  committed
  337d0bf
- Fix stale I2V parity-harness --help text for the loosened fp32 gate
  
  dg845
  and
  claude
  committed
  2aa7eca
- make style and make quality
  dg845
  committed
  3a73088
- Add the LTX-2.4 diffusion VAE decoder with a native-parity harness
  linoytsaban
  committed
  ec0b841
- Add a converter for the LTX-2.4 diffusion VAE decoder
  linoytsaban
  committed
  acf5c7d
- Initialise use_slicing and document the diffusion VAE decisions
  linoytsaban
  committed
  255fc8d
- Record real-weight parity against the reference decoder
  linoytsaban
  committed
  5fac7aa
- Add model-level tests for the LTX-2.4 diffusion VAE decoder
  linoytsaban
  committed
  926818a
- Fold the diffusion VAE converter into convert_ltx2_to_diffusers.py
  linoytsaban
  committed
  887c186
- Make the diffusion decoder work through LTX2Pipeline
  linoytsaban
  committed
  3928fc2
- Make the diffusion decoder work through the modular decode step
  linoytsaban
  committed
  c6b8c4a
- Note that the pipeline decode block predates the LTX-2.4 integration PR
  linoytsaban
  committed
  fbd8733
- Address diffusers self-review on the diffusion VAE decoder
  linoytsaban
  committed
  dbd6acf
- Add the API doc page for AutoencoderKLLTX2VideoDiffusionDecoder
  linoytsaban
  committed
  2303e01
- Mark the parity harness transient and drop the notes doc from the diff
  linoytsaban
  committed
  7ee18bb
- Accept the diffusion decoder in the image-to-video pipeline too
  linoytsaban
  committed
  558d8e4
Commits on Aug 5, 2026
- Reorganize LTX-2 modular blocks into coarser component-aligned phases
  
  dg845
  and
  claude
  committed
  2b6106e
- Enable LTX-2 prompt enhancement by default when the enhancer is loaded
  
  dg845
  and
  claude
  committed
  661a6e4
Commits on Aug 6, 2026
Commits on Aug 7, 2026
- Merge branch 'pr-2-ltx-2-4-integration' into ltx-2-4-modular
  dg845
  committed
  b24e69f
- Align LTX-2 modular blocks with the merged standard-pipeline changes
  
  dg845
  and
  claude
  committed
  5d18b5d
- Evaluate the decoder's SwiGLU in token tiles
  linoytsaban
  committed
  8e5df58
- Declare _no_split_modules on the diffusion decoder
  linoytsaban
  committed
  031b562
- Match the encoder defaults to the published LTX-2.4 config
  linoytsaban
  committed
  a68d6d2
- Cover the token-tiled SwiGLU path in the tests
  linoytsaban
  committed
  68755f0
- Let the parity harness run against the LTX-2.5 reference too
  linoytsaban
  committed
  c984a00
Commits on Aug 9, 2026
- Add LTX-2.X modular condition blocks
  
  dg845
  and
  claude
  committed
  e117b22
- Add LTX-2.X modular in-context (IC-LoRA) blocks
  
  dg845
  and
  claude
  committed
  58052bf
- Make the diffusion decoder a decode pipeline instead of a VAE
  linoytsaban
  committed
  d71af8c
- Add a modular decode block for the LTX-2 diffusion decoder
  linoytsaban
  committed
  42f4510
- Test the diffusion decode pipeline, and give it a video-only output
  linoytsaban
  committed
  474452d
- Fix the decode example: output_type="latent" is already denormalized
  linoytsaban
  committed
  8e978fd
Commits on Aug 10, 2026
- Fix IC-LoRA video self-attention mask grouping
  
  dg845
  and
  claude
  committed
  dd92e46
- Add LTX25AutoBlocks and LTX25ModularPipeline
  linoytsaban
  committed
  0a14715
- Drop the encoder half in the diffusion decoder converter
  linoytsaban
  committed
  1d6fdce
- Share the neighborhood attention mask and parameterise the AdaLN chunk count
  linoytsaban
  committed
  d97dcac
- Export the LTX-2.5 modular classes from the top-level namespace
  linoytsaban
  committed
  d354288
- Name the diffusion decoder LTX-2.5 and save it to diffusion_decoder/
  linoytsaban
  committed
  31414b8
Commits on Aug 11, 2026
- Move the LTX-2 text-input expansion into the core denoise step
  
  dg845
  and
  claude
  committed
  24404d1
- Describe the connector inputs on LTX2TextInputStep
  
  dg845
  and
  claude
  committed
  1f0e2e2
- Merge branch 'ltx-2-4-modular' into ltx-2-4-modular-condition-ic
  dg845
  committed
  c6bd5a6
- Build the condition and in-context workflows from LTX2AutoBlocks
  
  dg845
  and
  claude
  committed
  5bb24c6
- Run the text-input step in the condition and in-context denoise steps
  
  dg845
  and
  claude
  committed
  47cf758
- Broadcast keyframe and reference conditioning across the generation batch
  
  dg845
  and
  claude
  committed
  4f7a060
- Merge pull request #12 from huggingface/ltx-2-4-modular-condition-ic
  dg845
  authored
  63fdd15
- Merge remote-tracking branch 'origin/ltx-2-4-modular' into ltx-2.5
  DN6
  committed
  33b3c06
- Merge branch 'ltx-2-4-modular' into ltx-2-4-diffusion-vae-modular
  linoytsaban
  committed
  7a73ce6
- feat: use natten for processing. (#15)
  sayakpaul
  authored
  6593e3b
- Merge PR #8 (LTX-2.4 diffusion VAE decoder) into ltx-2.5
  DN6
  committed
  64839af
- Merge PR #8 update: fetch NATTEN as a Hub kernel
  DN6
  committed
  5b6f9de
- make vae properties accessible without loading it. (#17)
  sayakpaul
  authored
  4d32963
- Address review: replace LTX2 mixins with Copied-from pipeline methods.
  
  alexanderar
  authored and
  DN6
  committed
  50bc9f8
- Point the modular enhance-prompt comment at LTX2Pipeline
  DN6
  committed
  6e92e15
- Merge PR #8 update: read latent statistics without loading the vae
  DN6
  committed
  f512cbd
- Remove the integrations/ dev scripts
  DN6
  committed
  bded369
- moular tests (#19)
  sayakpaul
  authored
  7ee1831
- Keep LTX-2.5.1 keyframes_abs_pos_embedding through convert. (#20)
  alexanderar
  authored
  f20c000
- remove test_ltx2_keyframes_abs_pos_embedding_load_and_forward
  sayakpaul
  committed
  a6803d6
- Update the LTX-2.5 docs: two stage generation, distilled default, repo id (#21)
  linoytsaban
  authored
  a1c06c9
- feat: implement tiling for the diffusion decoder. (#22)
  sayakpaul
  authored
  c8e16b9
- add a note on tiling (#23)
  sayakpaul
  authored
  68c743b
- Merge branch 'main' into ltx-2.5
  sayakpaul
  authored
  fb8f932
- fix documentation.
  sayakpaul
  committed
  83cca54

Commits

Commits on Jul 28, 2026

Commits on Jul 29, 2026

Commits on Jul 30, 2026

Commits on Jul 31, 2026

Commits on Aug 1, 2026

Commits on Aug 2, 2026

Commits on Aug 4, 2026

Commits on Aug 5, 2026

Commits on Aug 6, 2026

Commits on Aug 7, 2026

Commits on Aug 9, 2026

Commits on Aug 10, 2026

Commits on Aug 11, 2026