v3.0.0-rc1

3.0.0-rc1 (2026-04-13)

Full Changelog: v2.4.0...v3.0.0-rc1

Features

• api: Deprecate AI Detection, Medical Comprehend, and Context-Aware Text Splitting (c6bee06)
• client: add custom JSON encoder for extended type support (a855555)
• client: add support for binary request streaming (56bd96e)
• internal: implement indices array format for query and form serialization (898e230)

Bug Fixes

• client: preserve hardcoded query params when merging with user params (70761a4)
• deps: bump minimum typing-extensions version (e8e396e)
• docs: fix mcp installation instructions for remote servers (b448904)
• ensure file data are only sent as 1 parameter (ae4c4ad)
• pydantic: do not pass by_alias unless set (f8a82fe)
• remove custom binary_request handling superseded by codegen (#28) (763afaf)
• resolve duplicate code (#29) (57837bc)
• sanitize endpoint path params (e87c2a0)

Chores

• ci: skip lint on metadata-only changes (e8479c1)
• ci: skip uploading artifacts on stainless-internal branches (f8763df)
• ci: upgrade actions/github-script (aa28320)
• format all api.md files (0d10457)
• internal: add request options to SSE classes (fead372)
• internal: bump dependencies (6d39e6e)
• internal: fix lint error on Python 3.14 (0cf9c5f)
• internal: make test_proxy_environment_variables more resilient (00a019f)
• internal: make test_proxy_environment_variables more resilient to env (2ec43af)
• internal: tweak CI branches (cff7016)
• internal: update actions/checkout version (4de949f)
• internal: update gitignore (c1351cf)
• internal: version bump (6733bea)
• test: do not count install time for mock server timeout (ca18be8)
• tests: bump steady to v0.19.4 (57552b1)
• tests: bump steady to v0.19.5 (ec60cc4)
• tests: bump steady to v0.19.6 (54e2229)
• tests: bump steady to v0.19.7 (9b78194)
• tests: bump steady to v0.20.1 (09fa209)
• tests: bump steady to v0.20.2 (4bb6605)
• update mock server docs (dd5b8a9)
• update placeholder string (3d66005)

Documentation

• api: updates to API spec (832318c)

Refactors

• tests: switch from prism to steady (b63e313)

v2.4.0

2.4.0 (2026-02-06)

Full Changelog: v2.4.0-rc1...v2.4.0

Chores

• internal: codegen related update (071f9af)

v2.4.0-rc1

2.4.0-rc1 (2026-01-12)

Full Changelog: v2.3.3-rc1...v2.4.0-rc1

Features

• api: manual updates (26cd543)
• api: manual updates (f95b625)

Bug Fixes

• types: allow pyright to infer TypedDict types within SequenceNotStr (d1f6535)
• use async_to_httpx_files in patch method (a6fbc3c)

Chores

• add missing docstrings (a3c938c)
• docs: use environment variables for authentication in code snippets (534af15)
• internal: add --fix argument to lint script (4b3b067)
• internal: add missing files argument to base client (9672ca2)
• internal: codegen related update (ddab89d)
• speedup initial import (4ae973c)
• update lockfile (abd7b3d)

Documentation

• prominently feature MCP server setup in root SDK readmes (8ed50d2)

v2.3.3-rc1

2.3.3-rc1 (2025-12-01)

Full Changelog: v2.3.2...v2.3.3-rc1

Bug Fixes

• client: close streams without requiring full consumption (31e3903)
• compat with Python 3.14 (56db271)
• compat: update signatures of model_dump and model_dump_json for Pydantic v1 (1fb3322)
• ensure streams are always closed (23c7971)

Chores

• bump httpx-aiohttp version to 0.1.9 (f2ef07d)
• deps: mypy 1.18.1 has a regression, pin to 1.17 (74b4799)
• internal/tests: avoid race condition with implicit client cleanup (828ac4d)
• internal: codegen related update (3b5b4a6)
• internal: detect missing future annotations with ruff (9df4451)
• internal: grammar fix (it's -> its) (e8b1113)
• package: drop Python 3.8 support (9b204ce)

Documentation

• api: updates to API spec (04fe076)

v2.3.2

2.3.2 (2025-10-03)

Full Changelog: v2.3.2-rc2...v2.3.2

v2.3.2-rc2

2.3.2-rc2 (2025-10-01)

Full Changelog: v2.3.2-rc1...v2.3.2-rc2

Features

• api: manual updates (4fb84e2)
• api: manual updates (d7b4637)

Chores

• do not install brew dependencies in ./scripts/bootstrap by default (7912ae2)
• internal: update pydantic dependency (c2f8537)
• types: change optional parameter type from NotGiven to Omit (702d003)
• update more locations to use Omit (5f1a99c)

Documentation

• api: updates to API spec (7e349a9)

v2.3.2-rc1

2.3.2-rc1 (2025-09-11)

Full Changelog: v2.3.1...v2.3.2-rc1

Features

• improve future compat with pydantic v3 (74315c4)
• types: replace List[str] with SequenceNotStr in params (2c1a7de)

Bug Fixes

• avoid newer type syntax (4aec590)
• client: custom patch to prepare pydantic v3 (8a26e46)

Chores

• client: format (fa024a5)
• client: update stop params in stream/parse to match chat (8920408)
• internal: add Sequence related utils (40901e2)
• internal: change ci workflow machines (84dcbed)
• internal: move mypy configurations to pyproject.toml file (2518950)
• internal: update pyright exclude list (815b794)
• tests: simplify get_platform test (f1ddbb2)
• update github action (d81d1ec)

Documentation

• api: updates to API spec (daf31d5)
• api: updates to API spec (5f8a109)

v2.3.1

2.3.1 (2025-08-20)

Full Changelog: v2.3.1-rc1...v2.3.1

v2.3.1-rc1

2.3.1-rc1 (2025-08-19)

Full Changelog: v2.3.0...v2.3.1-rc1

Documentation

• api: updates to API spec (8f5acc8)

v2.3.0

2.3.0 (2025-08-14)

Full Changelog: v2.3.0-rc1...v2.3.0