v3.20.0

3.20.0 (2026-05-06)

Full Changelog: v3.19.5...v3.20.0

Features

• [feat]: add ignoreSelectors to extract() (f11a102)
• [STG-1798] feat: support Browserbase verified sessions (078ab5c)
• [STG-1808] Deprecate Browserbase project ID (bfe505c)
• Bedrock auth passthrough (9463fa4)
• remove experimental requirement on agent variables (#2079) (92ed1e1)
• Revert "[STG-1573] Add providerOptions for extensible model auth (#1822)" (3c04086)
• support setting headers via env (b1c6127)

Bug Fixes

• client: preserve hardcoded query params when merging with user params (feac39d)
• ensure file data are only sent as 1 parameter (b870657)
• use correct field name format for multipart file arrays (852600a)

Performance Improvements

• client: optimize file structure copying in multipart requests (69d396f)

Chores

• internal: more robust bootstrap script (9bc61e1)
• internal: reformat pyproject.toml (03f4dbe)

v3.19.5

3.19.5 (2026-04-03)

Full Changelog: v3.19.4...v3.19.5

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The semver version number is based on included commit messages. Alternatively, you can manually set the version number in the title of this pull request.

For a better experience, it is recommended to use either rebase-merge or squash-merge when merging this pull request.

🔗 Stainless website
📚 Read the docs
🙋 Reach out for help or questions

v3.19.4

3.19.4 (2026-04-03) DO NOT USE

v3.19.3

3.19.3 (2026-04-03) DO NOT USE

v3.19.2

3.19.2 (2026-04-03)

Full Changelog: v3.19.1...v3.19.2

v3.19.1

3.19.1 (2026-03-31)

Full Changelog: v3.19.0...v3.19.1

---

This pull request is managed by Stainless's GitHub App.

The semver version number is based on included commit messages. Alternatively, you can manually set the version number in the title of this pull request.

For a better experience, it is recommended to use either rebase-merge or squash-merge when merging this pull request.

🔗 Stainless website
📚 Read the docs
🙋 Reach out for help or questions

v3.19.0

3.19.0 (2026-03-27)

Full Changelog: v3.18.0...v3.19.0

Features

• internal: implement indices array format for query and form serialization (b2cccf5)

v3.18.0

3.18.0 (2026-03-25)

Full Changelog: v3.7.0...v3.18.0

Features

• Add explicit SSE event names for local v3 streaming (493abf4)
• Include LLM headers in ModelConfig (b0df6bc)

Chores

• ci: skip lint on metadata-only changes (4049e44)
• internal: update gitignore (5acaa6f)

v3.7.0

3.7.0 (2026-03-23)

Full Changelog: v3.6.0...v3.7.0

Features

• [fix]: add useSearch & toolTimeout to stainless types (0faf1df)
• [STG-1607] Yield finished SSE event instead of silently dropping it (0bba1e9)
• Add bedrock to provider enum in Zod schemas and OpenAPI spec (5ace8c9)
• Add missing cdpHeaders field to v3 server openapi spec (7c17bc2)
• Revert broken finished SSE yield config (21189cf)
• variables for observe (93ef310)

Bug Fixes

• deps: bump minimum typing-extensions version (c8cce20)
• pydantic: do not pass by_alias unless set (b045b1a)
• sanitize endpoint path params (5201ec1)

Chores

• ci: bump uv version (84a841c)
• ci: skip uploading artifacts on stainless-internal branches (291b296)
• internal: tweak CI branches (1d33bbf)

v3.6.0

3.6.0 (2026-02-25)

Full Changelog: v3.5.0...v3.6.0

Features

• Add executionModel serialization to api client (22dd688)
• client: add custom JSON encoder for extended type support (f9017c8)
• randomize region used for evals, split out pnpm and turbo cache, veri… (18b63b8)

Chores

• format all api.md files (c22d22c)
• internal: add request options to SSE classes (93cdbe5)
• internal: bump dependencies (92d8393)
• internal: codegen related update (aa3fbd4)
• internal: codegen related update (555a9c4)
• internal: fix lint error on Python 3.14 (b0df744)
• internal: make test_proxy_environment_variables more resilient (82890a6)
• internal: make test_proxy_environment_variables more resilient to env (1dfcc4b)
• internal: remove mock server code (195d489)
• sync repo (0c9bb8c)
• update mock server docs (4e8e5cf)