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@stainless-app stainless-app released this 13 May 18:54
v1.9.0
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1.9.0 (2026-05-13)

Full Changelog: v1.8.0...v1.9.0

Features

  • [CORE-1928][apps/api] Add PENDING as a valid session state (4f1248d)
  • [CORE-1979] [apps/api] Regenerate OpenAPI spec to match current routes (0e366a6)
  • api: add replays (58e18df)
  • internal/types: support eagerly validating pydantic iterators (9d56949)
  • support setting headers via env (308d35e)

Bug Fixes

  • client: add missing f-string prefix in file type error message (e01f048)
  • client: preserve hardcoded query params when merging with user params (953fd3e)
  • ensure file data are only sent as 1 parameter (a837357)
  • use correct field name format for multipart file arrays (9488fb3)

Performance Improvements

  • client: optimize file structure copying in multipart requests (4146f22)

Chores

  • internal: more robust bootstrap script (83d1f68)
  • internal: reformat pyproject.toml (979436a)
  • tests: bump steady to v0.22.1 (bafb680)
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