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v0.1.3

ace-step/ACE-Step-1.5v0.1.3Feb 27, 2026by ChuxiJ

AI Summary

Heavy Gradio UI refactoring release with new features including model init API, MLX support, and an experimental Streamlit-based ACE Studio UI.

Key Highlights

  • Model init API and model inventory system
  • MLX Apple Silicon CFG/APG support
  • Streamlit-based ACE Studio UI (experimental)
  • Dynamic i18n language management
  • AutoGen batch handling fixes

New Features

  • Model inventory with MLX support
  • Streamlit ACE Studio UI
  • Per-request language isolation via ContextVar
  • Audio volume persistence improvements

Full Release Notes

## What's Changed
* Refactor (gradio part1) events wiring contracts by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/652
* Refactor (gradio part2) generation wiring decomposition by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/653
* fix: AutoGen 'No next batch available' when next batch is ready by @ChuxiJ in https://github.com/ace-step/ACE-Step-1.5/pull/659
* Refactor (gradio part3) mode wiring decomposition by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/654
* refactor(gradio-events): extract generation run and batch navigation wiring modules (PR5) by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/655
* Refactor (gradio part 6) mode wiring decomposition by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/663
* Refactor (gradio part 7) generation interface decomposition by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/668
* fix(gradio): restore language and optional parameter interactivity by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/672
* Refactor: Dynamic i18n Language Management by @orlagno in https://github.com/ace-step/ACE-Step-1.5/pull/686
* Fix Gradio audio volume persistence and playback reset by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/680
* Improving and updating the Hebrew language and adding features by @start-life in https://github.com/ace-step/ACE-Step-1.5/pull/694
* refactor: clean up i18n discovery and CLI help by @orlagno in https://github.com/ace-step/ACE-Step-1.5/pull/692
* Revert "Fix Gradio audio volume persistence and playback reset" by @ChuxiJ in https://github.com/ace-step/ACE-Step-1.5/pull/696
* feat: remove prompt parse to sample_query by @ChuxiJ in https://github.com/ace-step/ACE-Step-1.5/pull/700
* Fix garbled audio after switching from Remix/Repaint to Custom mode by @Copilot in https://github.com/ace-step/ACE-Step-1.5/pull/701
* feat: add model init API, model inventory, and MLX CFG/APG support by @ChuxiJ in https://github.com/ace-step/ACE-Step-1.5/pull/703
* fix: respect ACESTEP_INIT_LLM=false in lazy load and prioritize expli… by @ChuxiJ in https://github.com/ace-step/ACE-Step-1.5/pull/707
* feat: add Streamlit-based ACE Studio UI by @pabbasian in https://github.com/ace-step/ACE-Step-1.5/pull/693
* fix(gradio): reapply audio volume persistence with sane default by @1larity in https://github.com/ace-step/ACE-Step-1.5/pull/697
* fix: handle MLX incompatibility in python_embeded on macOS by @ChuxiJ in https://github.com/ace-step/ACE-Step-1.5/pull/711

## New Contributors
* @pabbasian made their first contribution in https://github.com/ace-step/ACE-Step-1.5/pull/693

**Full Changelog**: https://github.com/ace-step/ACE-Step-1.5/compare/v0.1.2...v0.1.3