v0.1.8

snarktank/ralphv0.1.8May 18, 2026by ChuxiJ

AI Summary

This release introduces Docker support and ports audio generation features from version 1.0, along with improvements to the repaint system and various bug fixes.

Key Highlights

New Docker support with auto-build workflow pushing images to ghcr.io.
Ported 'Retake' feature for controllable variation generation (0.0-1.0 variance).
Ported 'Flow-Edit' feature for prompt-guided audio editing.
Repaint improvements including Mac-specific fixes for MLX.

New Features

Docker containerization with GPU support
Retake variation generation
Flow-Edit audio editing
Community VAE swap-in support
Raw remix task type

Full Release Notes

## 🐳 Docker Support

New generic Dockerfile and CI auto-build workflow. Container images are now automatically built and pushed to `ghcr.io/ace-step/ace-step-1.5` on every release.

```bash
docker run --gpus all -p 7860:7860 \
  -v ./checkpoints:/app/checkpoints \
  ghcr.io/ace-step/ace-step-1.5:0.1.8
```

## 🎵 Retake — Controllable Variation Generation

Ported from 1.0: generate variations by mixing fresh noise into the diffusion start. `retake_variance` 0.0-1.0. (#1157, #1158, #1159)

## ✏️ Flow-Edit — Prompt-Guided Audio Editing

Ported from 1.0: prompt-guided editing of existing audio. Redesigned as overlay on Remix. (#1162, #1163, #1169)

## 🔧 Repaint Improvements

- Cache generated source latents (#1177)
- **fix(mlx)**: repaint step-injection + boundary blend on Mac (#1197)

## 🐛 Bug Fixes

- fix(mlx): DiT static buffers across threads (#1166)
- fix(score): PMI OOM under low VRAM
- fix(llm): CFG prompt alignment (#1127, #1128)
- fix(gradio): DCW defaults for non-turbo (#1207)
- fix(gradio): gr.State for task_type — stale repaint leak (#1137)
- fix(gradio): stale DiT instruction after Simple Mode (#1194)
- fix(gradio): Extract/Lego Gradio temp dir (#1210)

## 📦 Other

- feat(vae): community VAE swap-in (#1139)
- feat: raw remix task type (#1143), DCW sampler (#1120)
- feat(docker): Dockerfile + CI auto-build (#1211)
- docs: remove experimental UIs (#1178, #1179)

**Full Changelog**: https://github.com/ace-step/ACE-Step-1.5/compare/v0.1.7...v0.1.8