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Update dependency diffusers to >=0.39.0,<0.40.0#37

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Update dependency diffusers to >=0.39.0,<0.40.0#37
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This PR contains the following updates:

Package Change Age Confidence
diffusers >=0.38.0,<0.39.0 → >=0.39.0,<0.40.0 age confidence

Release Notes

huggingface/diffusers (diffusers)

v0.39.0: Diffusers 0.39.0: New image and video pipelines, core library improvements, and more

Compare Source

New Pipelines

Cosmos 3

Cosmos 3 is NVIDIA's unified world foundation model (WFM) for Physical AI — a single omni-model built on a Mixture-of-Transformers (MoT) architecture that combines world generation, physical reasoning, and action generation, replacing the separate Predict, Reason, and Transfer models from earlier Cosmos releases. A single Cosmos3OmniTransformer runs a Qwen-style language model in parallel with a diffusion generation pathway, joined by a 3D multimodal RoPE. This release also lands video-to-video and action-conditioned generation, and a sound encoder.

Thanks to @​atharvajoshi10, @​yzhautouskay, and @​MaciejBalaNV for the contributions.

Ideogram 4

Ideogram 4 is a flow-matching text-to-image model that uses a multimodal text encoder and an asymmetric classifier-free guidance scheme: a dedicated unconditional_transformer produces the negative branch with zeroed text features, while the main transformer consumes the full packed text + image sequence. The pipeline ships with structured prompt upsampling and LoRA loading support.

Thanks to @​JinLiIdeogram for the contribution.

Krea 2

Krea 2 (K2) is a flow-matching text-to-image model built around a single-stream MMDiT with grouped-query attention. A Qwen3-VL text encoder provides the conditioning — hidden states from twelve decoder layers are tapped per token and fused inside the transformer by a small text-fusion stage — and images are decoded with the Qwen-Image VAE. Both the base (midtrain) and TDM (distilled, few-step) checkpoints are supported, alongside a LoRA DreamBooth trainer.

Thanks to @​EleaZhong and @​Abhinay1997 for the contribution.

DreamLite

DreamLite is a text-to-image and image-editing model from ByteDance. It pairs a custom 2D U-Net (DreamLiteUNetModel) with the Qwen3-VL multimodal encoder as its prompt / image-instruction encoder, and uses an AutoencoderTiny (TAESD-style) VAE for fast latent encode/decode. A distilled DreamLiteMobilePipeline targets on-device, low-latency generation.

Thanks to @​Carlofkl for the contribution.

PRX Pixel

PRXPixel is a pixel-space text-to-image generation model by Photoroom. A ~7B PRXTransformer2DModel denoises raw RGB images directly — no VAE is needed. The model is conditioned on a Qwen3-VL text encoder and uses flow matching where the transformer predicts the clean image at each step (x-prediction).

Thanks to @​DavidBert for the contribution.

Motif-Video

Motif-Video is a 2B parameter diffusion transformer for text-to-video and image-to-video generation. It features a three-stage architecture (12 dual-stream + 16 single-stream + 8 DDT decoder layers), Shared Cross-Attention for stable text-video alignment over long sequences, a T5Gemma2 text encoder, and rectified flow matching for velocity prediction.

Thanks to @​waitingcheung for the contribution.

AnyFlow

AnyFlow from NVIDIA, NUS, and MIT is the first any-step video diffusion framework built on flow maps, enabling a single model (bidirectional or causal) to adapt to arbitrary inference budgets. It ships both bidirectional and FAR causal pipelines built on Wan2.1 backbones, covering text-to-video, image-to-video, and video-to-video.

Thanks to @​Enderfga for the contribution.

JoyAI-Image-Edit

JoyAI-Image is a unified multimodal foundation model for image understanding, text-to-image generation, and instruction-guided image editing. It combines an 8B Multimodal LLM with a 16B Multimodal Diffusion Transformer (MMDiT). JoyImageEditPipeline supports general image editing as well as spatial editing capabilities including object move, object rotation, and camera control.

Thanks to @​Moran232 for the contribution.

DiffusionGemma

DiffusionGemma is a block-diffusion encoder-decoder language model. A causal encoder reads the clean prompt (and any previously generated blocks) into a KV cache, and a bidirectional decoder denoises a fixed-size "canvas" of tokens by cross-attending to that cache, committing the most confident tokens via the new BlockRefinementScheduler. The released checkpoint is google/diffusiongemma-26B-A4B-it.

Anima

Anima is a 2 billion parameter text-to-image model created via a collaboration between CircleStone Labs and Comfy Org. It is focused mainly on anime concepts, characters, and styles, but is also capable of generating a wide variety of other non-photorealistic content.

It reuses the CosmosTransformer3DModel with a Qwen3 text encoder, a T5-token text conditioner, and the AutoencoderKLQwenImage VAE.

Thanks to @​rmatif for the contribution.

LTX-2.X IC LoRA and HDR Pipelines

New LTX2InContextPipeline (in-context LoRA) and LTX2HDRPipeline extend the LTX-2 family with in-context conditioning and HDR video generation.

Modular Pipeline Support

Core Library

All commits

Significant community contributions

The following contributors have made significant changes to the library over the last release:

  • @​DN6
    • [CI] Update all workflows with permissions (#​13672)
    • [CI] QOL improvement for PR size labeler (#​13554)
    • Update Flax removal version (#​13729)
    • Update contribution guidelines (#​13753)
    • [CI] Replace print_env step in CI with diffusers-cli env (#​13662)
    • [CI] Fix torch_device import in AutoencoderTesterMixin (#​13852)
    • [CI] Refactor LTX Transformer Tests (#​13254)
    • [CI] Refactor Bria Transformer Tests (#​13341)
    • [CI] Refactor Chronoedit, PRX, EasyAnimate, Ovis transformer tests (#​13347)
    • [CI] Refactor Chroma , LongCat and HiDream Transformer Tests (#​13345)
    • [CI] Refactor Skyreels, Lumina, Ominigen, Mochi transformer tests (#​13348)
    • [CI] Refactor SD3 Transformer Test (#​13340)
    • [CI] Refactor Z Image Transformer Tests (#​13253)
  • @​yiyixuxu
    • [agents docs] update models.md with class attributes and attention mask (#​13665)
    • [agents docs] update pipelines.md: (#​13570)
    • [CI] claude_review: target source PR's branch for follow-up PRs (#​13774)
    • [docs] update philosophy.md (finally) (#​13808)
    • [.ai] add self-review skill (#​13917)
    • update PR template and highlight AI-agent setup for contributors (#​13913)
    • Point "Coding with AI agents" links at the rendered docs site (#​13952)
    • Make root PHILOSOPHY.md a symlink to the docs philosophy page (#​13954)
    • keep the agent symlinks (#​13968)
    • Add Krea 2 (K2) text-to-image pipeline and transformer (#​14045)
    • [.ai doc] Refine .ai attention-mask and component-mutation guidance (#​13982)
    • [.ai] document single-file model layout and "don't reimplement Diffus… (#​14048)
    • support loading pipeline from transformer style (flat) repo (#​14096)
  • @​akshan-main
    • Address ernie-image review findings #​13577 (#​13663)
    • refactor sana transformer tests (#​13826)
    • refactor autoencoder tests (asymmetric_kl, ltx_video) (#​13845)
    • refactor autoencoder_magvit tests (#​13834)
    • refactor autoencoder_hunyuan_video tests (#​13835)
    • refactor autoencoder_kl_cogvideox tests (#​13840)
    • refactor autoencoder tests (vq, kvae_video, oobleck, consistency_decoder, tiny, vidtok) (#​13849)
    • Add from_single_file support to ErnieImageTransformer2DModel (#​13727)
    • refactor autoencoder tests (temporal decoder, cosmos, kvae, mochi) (#​13832)
    • refactor controlnet_cosmos tests (#​13847)
    • refactor unet_spatiotemporal tests (#​13891)
    • refactor unet tests (3d_condition, motion, controlnetxs) (#​13897)
    • refactor unet_1d tests (#​13898)
    • refactor unet_2d tests (#​13901)
    • fix(flux): enable true CFG with precomputed negative embeds (#​13957)
    • fix(flux): tighten check_inputs validation (#​13955)
    • fix(bria_fibo): fix guidance_embeds, prompt_embeds, tensor-image and multi-image crashes (#​13981)
  • @​AlanPonnachan
    • feat: Add Modular Pipeline for Stable Diffusion 3 (SD3) (#​13324)
  • @​Moran232
    • [feat] JoyAI-JoyImage-Edit support (#​13444)
  • @​terarachang
    • Add LoRA support for Cosmos Predict 2.5 and fix pipeline to match official Cosmos repo (#​13664)
  • @​dg845
    • Fix GGUF to Work Better with modules_to_not_convert / keep_in_fp32_modules (#​13697)
    • Add LTX-2.X IC LoRA and HDR Pipelines (#​13572)
  • [@​wai

✂ Note

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot added dependencies Pull requests that update a dependency file python Pull requests that update python code labels Jul 3, 2026
@renovate renovate Bot force-pushed the renovate/diffusers-0.x branch from 3c23c92 to 68c1b1c Compare July 3, 2026 17:13
@renovate renovate Bot force-pushed the renovate/diffusers-0.x branch from 68c1b1c to b913c6b Compare July 6, 2026 03:45
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