Version 0.2.15

Release highlights (v0.2.15)

• HunyuanVideo 1.5 support added for training/inference workflows. (#748)
• Z-Image support landed, including training DB updates and related improvements. (#757, #778)
• Experimental “very simple” GUI introduced to make common operations easier to run. (#779)
• Qwen-Image-Edit-2511 support added for training/inference, plus compatibility fixes for Edit-2511 checkpoints. (#802, #808)
• Kandinsky 5 Pro LoRA training support added. (#774)
• toch.compile support in training scripts (#722) with follow-up fixes. (#727, #731)
• CUDA 13.0 support added. (#812)

What's Changed

• fix: adjust block swapping logic for forward-only mode in ModelOffloader by @kohya-ss in #675
• feat: replace x+a*b with torch.addcmul by @kohya-ss in #721
• feat: Add torch.compile support to training scripts. by @kohya-ss in #722
• feat: add .mcp.json to .gitignore by @kohya-ss in #725
• fix: support compile dynamic=None by @kohya-ss in #727
• fix: exclude first step from progress bar to improve initialization time by @kohya-ss in #728
• fix: update timestep handling to use float32 for improved precision by @kohya-ss in #729
• fix: update state dict handling for compiled models during saving by @kohya-ss in #731
• Feat support hunyuan video 1 5 by @kohya-ss in #748
• fix: move tensors to CPU after encoding to GPU before generation by @kohya-ss in #758
• fix: preserve training mode of transformer during inference by @kohya-ss in #759
• Feat support z image by @kohya-ss in #757
• feat: add ComfyUI state dict conversion for Qwen-Image VAE loading by @kohya-ss in #760
• fix: update FP8 optimization target and exclude keys by @kohya-ss in #761
• Doc update overview md by @kohya-ss in #762
• fix: Improve memory management during video generation process by @kohya-ss in #763
• fix: Remove required flag from argument parsers in training scripts by @kohya-ss in #765
• feat: Add support for converting LoRA weights from diffusers for base_weights. by @kohya-ss in #772
• Add Z-image train db by @sdbds in #778
• Feat enable full bf16 for z image train by @kohya-ss in #781
• feat: Add a very simple GUI experimentally by @kohya-ss in #779
• feat: Add support for pinned memory in Block Swap and update UI labels by @kohya-ss in #782
• Fix train db compile bugs by @sdbds in #786
• Fix DDP bugs by @sdbds in #793
• Log d*eff_lr for ProdigyPlusScheduleFree, and some cleanup of LR logging by @woct0rdho in #767
• Prevent NaN during Z-Image-Turbo fp16 training by @yslai in #795
• Support Qwen-Edit-2511 by @sdbds in #802
• fix: Handle index_timestep_zero metadata key in qwen_image_train.py for Edit-2511 checkpoints by @maxim-kruglikov-playrix in #809
• Add Kandinsky 5 Pro LoRA training by @AkaneTendo25 in #774
• fix(qwen_image_train_network): argument order by @jimlee2048 in #811
• feat: add support for Qwen-Image-Edit 2511 for training/inference by @kohya-ss in #808
• Add CUDA 13.0 support by @djtuBIG-MaliceX in #812
• doc: update CUDA support in installation instructions for uv by @kohya-ss in #814
• version: bump to 0.2.15 by @kohya-ss in #815

New Contributors

• @woct0rdho made their first contribution in #767
• @yslai made their first contribution in #795
• @maxim-kruglikov-playrix made their first contribution in #809
• @AkaneTendo25 made their first contribution in #774
• @djtuBIG-MaliceX made their first contribution in #812

Full Changelog: v0.2.14...v0.2.15