v0.186.0

QwenAudio/SenseVoicev0.186.0Aug 17, 2026by zipstack-push-to-main[bot]

AI Summary

Introduces a new prompt caching feature to the SDK, allowing users to cache prompts and document contexts to improve performance.

Key Highlights

  • Introduce prompt caching with an SDK master switch
  • Implement document-context caching for answer_prompt

New Features

  • Prompt caching (SDK master switch + document-context caching)

Full Release Notes

## What's Changed
* UN-3810 [FEAT] Prompt caching: SDK master switch + document-context caching (answer_prompt) by @pk-zipstack in https://github.com/Zipstack/unstract/pull/2199


**Full Changelog**: https://github.com/Zipstack/unstract/compare/v0.185.0...v0.186.0