huggingface/diffusers

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🤗 Diffusers: State-of-the-art diffusion models for image, video, and audio generation in PyTorch.

Stars: 34.5k
Forks: 7.3k
Open beginner issues: 22
Indexed issues: 838
Avg merge: 3d 3h
Merged PRs (30d): 91

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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838 issues indexed so far

[Feature] Integrate 'CHORDS: Diffusion Sampling Accelerator with Multi-core Hierarchical ODE Solvers' Open

stale

Difficulty 5/5 Over a week Newbie friendliness 25/100

huggingface/diffusers#12227 · 1 comment · Opened Aug 24, 2025
[Looking for community contribution] support DiffSynth Controlnet in diffusers Open

contributions-welcome Good second issue help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

huggingface/diffusers#12221 · 10 comments · 1 reaction · Opened Aug 22, 2025
Qwen-Image-Edit Inferior Results Compared to ComfyUI Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#12216 · 21 comments · Opened Aug 22, 2025
Transformer2DModel onnx convertation problems Open

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Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#12208 · 1 comment · Opened Aug 21, 2025
[Features] Planning to support TensorRT for Flux Pipelines Open

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Difficulty 5/5 Over a week Newbie friendliness 20/100

huggingface/diffusers#12202 · 3 comments · 1 reaction · Opened Aug 21, 2025
Wan i2i with latent upscale Open

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Difficulty 5/5 Over a week Newbie friendliness 25/100

huggingface/diffusers#12173 · 1 comment · 1 reaction · Opened Aug 18, 2025
Wan 2.1 / Wan2.2 Lightning & Sparse Distillation & Tiny VAE Acceleration Methods Open

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Difficulty 5/5 Over a week Newbie friendliness 25/100

huggingface/diffusers#12146 · 18 comments · 3 reactions · Opened Aug 14, 2025
resize_token_embeddings (?) (different result from new and old version) Open

bug stale

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

huggingface/diffusers#12145 · 5 comments · Opened Aug 13, 2025
requirest for the model use Open

remote-vae stale

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

huggingface/diffusers#12138 · 1 comment · Opened Aug 13, 2025
For qwen-image training file, Maybe "shuffle" of dataloader should be "False" when custom_instance_prompts is not None and cache_latents is False? Open

bug stale

Difficulty 3/5 1-2 days Newbie friendliness 52/100

huggingface/diffusers#12124 · 5 comments · Opened Aug 11, 2025
Various Chroma pipeline issues Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#12112 · 4 comments · Opened Aug 10, 2025
accelerator.init_trackers error when try with a custom object such as list Open

bug stale

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

huggingface/diffusers#12107 · 1 comment · Opened Aug 9, 2025
Support training where width does not equal height for Qwen-Image Open

stale

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

huggingface/diffusers#12102 · 2 comments · Opened Aug 8, 2025
Wan2.2 TI2V-5B VRAM OOM at the end Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 28/100

huggingface/diffusers#12097 · 1 comment · Opened Aug 7, 2025
Will `cosmos-transfer1` be supported in diffusers in the future? Open

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Difficulty 5/5 Over a week Newbie friendliness 20/100

huggingface/diffusers#12084 · 4 comments · Opened Aug 6, 2025
wan2.1 vae take more gpu memory after compile Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#12082 · 4 comments · Opened Aug 6, 2025
API Suggestion: Expose Methods to Convert to Sample Prediction in Schedulers Open

stale

Difficulty 5/5 Over a week Newbie friendliness 35/100

huggingface/diffusers#12079 · 1 comment · 2 reactions · Opened Aug 6, 2025
Problem with provided example validation input in the Flux Control finetuning example Open

bug stale

Difficulty 3/5 1-2 days Newbie friendliness 38/100

huggingface/diffusers#12078 · 2 comments · Opened Aug 5, 2025
Qwen Image prompt encoding is not padding to max seq len Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

huggingface/diffusers#12075 · 22 comments · Opened Aug 5, 2025
Is there any DiT block defined in the huggingface/diffusers OR huggingface/transformers project? Open

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Difficulty 5/5 Over a week Newbie friendliness 25/100

huggingface/diffusers#12060 · 3 comments · Opened Aug 4, 2025
`UNet2DConditionModel` : `qk_norm` setting in `config.json` is ignored Open

bug stale

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

huggingface/diffusers#12050 · 5 comments · Opened Aug 3, 2025
Dream 7B Open

stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#12017 · 2 comments · Opened Jul 29, 2025
Wan 2.2 a14b i2v OOM Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#12011 · 6 comments · Opened Jul 29, 2025
Cannot copy out of meta tensor; no data! Please use torch.nn.Module.to_empty() instead of torch.nn.Module.to() when moving module from meta to a different device. Open

stale

huggingface/diffusers#12003 · 9 comments · 1 reaction · 1 assignee · Opened Jul 28, 2025
Problems with Kontext quantization Open

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Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11992 · 12 comments · Opened Jul 25, 2025
train_dreambooth_lora_flux_kontext.py: error: the following arguments are required: --instance_prompt Open

bug stale

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

huggingface/diffusers#11973 · 4 comments · Opened Jul 22, 2025
How about forcing the first and last block on device when groupoffloading is used? Open

contributions-welcome group-offloading stale

huggingface/diffusers#11966 · 16 comments · 1 assignee · Opened Jul 21, 2025
KeyError when loading LoRA for Flux model: missing lora_unet_final_layer_adaLN_modulation_1 weights Open

stale

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

huggingface/diffusers#11964 · 4 comments · Opened Jul 21, 2025
New Adapter/Pipeline Request: IT-Blender for Creative Conceptual Blending Open

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Difficulty 5/5 Over a week Newbie friendliness 25/100

huggingface/diffusers#11961 · 1 comment · Opened Jul 20, 2025
Flash/Sage varlen does not work with torch.compile Open

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huggingface/diffusers#11957 · 4 comments · 1 assignee · Opened Jul 18, 2025
train flux_controlnet code need to update Open

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Difficulty 3/5 1-2 days Newbie friendliness 38/100

huggingface/diffusers#11939 · 1 comment · Opened Jul 16, 2025
RMSNorm's weight not registered as submodules when initializing Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11938 · 3 comments · Opened Jul 16, 2025
FLUX.1-Fill-dev running problem Open

bug stale

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

huggingface/diffusers#11922 · 17 comments · Opened Jul 14, 2025
Fused QKV projections incompatible with training Open

bug stale

Difficulty 5/5 Over a week Newbie friendliness 28/100

huggingface/diffusers#11903 · 4 comments · Opened Jul 9, 2025
SD3.5-Controlnet-8b does not use encoder_hidden_states Open

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

huggingface/diffusers#11902 · 4 comments · Opened Jul 9, 2025
can not load Wan2.1-Fun-14B-InP-MPS_reward_lora_comfy.safetensors to wan2.1-14b-720p-diffusers Open

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Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11901 · 6 comments · Opened Jul 9, 2025
Error during batch inference using FluxControlNetInpaintingPipeline Open

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Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11889 · 1 comment · Opened Jul 8, 2025
STORK Scheduler Open

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Difficulty 5/5 Over a week Newbie friendliness 30/100

huggingface/diffusers#11859 · 1 comment · Opened Jul 4, 2025
Can not load fusionx_lora into original wan2.1-14b Open

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Difficulty 4/5 3-5 days Newbie friendliness 32/100

huggingface/diffusers#11849 · 1 comment · Opened Jul 2, 2025
finetune flux kontext on custom dataset Open

stale

Difficulty 5/5 Over a week Newbie friendliness 20/100

huggingface/diffusers#11840 · 2 comments · Opened Jul 1, 2025
Try load gguf for FluxKontextPipeline but invalid input size Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11839 · 13 comments · 1 reaction · Opened Jul 1, 2025
LoRA Training Script for Image Editing with FLUX Kontext Open

stale

Difficulty 5/5 Over a week Newbie friendliness 32/100

huggingface/diffusers#11819 · 2 comments · 2 reactions · Opened Jun 27, 2025
Bug: lora trained with train_dreambooth_lora_sdxl_advanced.py, the weight cannot be loaded Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11790 · 6 comments · Opened Jun 24, 2025
Failed to load lora in int8 mode Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11752 · 5 comments · Opened Jun 19, 2025
FlowMatchEulerDiscreteScheduler Timesteps have Floating Point Errors Open

bug stale

huggingface/diffusers#11749 · 1 comment · 1 assignee · Opened Jun 19, 2025
ControlNet LoRA support more broadly across models Open

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Difficulty 5/5 Over a week Newbie friendliness 35/100

huggingface/diffusers#11733 · 2 comments · 2 reactions · Opened Jun 17, 2025
HunyuanVideoImageToVideoPipeline memory leak Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 32/100

huggingface/diffusers#11676 · 9 comments · Opened Jun 7, 2025
LoRA load issue Open

bug stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11659 · 6 comments · Opened Jun 4, 2025
support .alpha keys in HiDream loras trained using OneTrainer Open

bug stale

huggingface/diffusers#11653 · 1 comment · 1 reaction · 1 assignee · Opened Jun 3, 2025
how to load lora weight with fp8 transfomer model? Open

stale

Difficulty 4/5 3-5 days Newbie friendliness 35/100

huggingface/diffusers#11648 · 23 comments · Opened Jun 3, 2025

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