release: 0.40.0

[stainless-app]

Automated Release PR

0.40.0 (2025-11-11)

Full Changelog: v0.39.0...v0.40.0

Features

• api: api update (93c24d4)
• api: api update (478b973)

Bug Fixes

• compat with Python 3.14 (99a4c1c)

Chores

• package: drop Python 3.8 support (54a77eb)

---

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📚 Read the docs
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---

Note

Bumps to 0.40.0 with API type additions (start_line/num_lines, optional parsing chunk content), Python 3.9+ requirement, a WeakKey-based discriminator cache, and asyncio threading simplification.

• API/Types:
  • Add optional start_line/num_lines fields across generated metadata in scored_*_input_chunk, stores/store_file, vector_store_* models.
  • Make parsing_job.ResultChunk.content optional.
• Internals:
  • Replace per-type __discriminator__ caching with DISCRIMINATOR_CACHE (weakref.WeakKeyDictionary); update tests accordingly.
  • Simplify thread offloading to asyncio.to_thread; remove Python 3.8 backport logic.
• Packaging/Docs:
  • Require Python >=3.9 (drop 3.8); update README, classifiers, pyright pythonVersion.
• Release/Meta:
  • Version to 0.40.0; update OpenAPI spec URL/hash and changelog.

^{Written by Cursor Bugbot for commit 99284a4. This will update automatically on new commits. Configure here.}

[stainless-app]

🧪 Testing

    To try out this version of the SDK, run:
    ```
    pip install 'https://pkg.stainless.com/s/mixedbread-python/93c24d40549f6e7d1cb881313a40bcdd19fed4ab/mixedbread-0.39.0-py3-none-any.whl'
    ```

    _Expires: Thu, 11 Dec 2025 06:29:51 GMT_

[stainless-app]

🤖 Release is at https://github.com/mixedbread-ai/mixedbread-python/releases/tag/v0.40.0 🌻