release: 3.1.0

[stainless-app]

Automated Release PR

3.1.0 (2026-03-03)

Full Changelog: v3.0.2...v3.1.0

Features

• [feat]: add support for local caching of agent when using api (2) (2cafd02)
• add auto-bedrock support based on bedrock/provider.model-name (2627a23)
• Add bedrock to provider enum in Zod schemas and OpenAPI spec (9b19bf9)
• Add executionModel serialization to api client (6171867)
• add v3 integration tests matching cloud exactly (a5a3ab7)
• api: manual updates (51b11b1)
• client: add ToString and Equals methods (44c5549)
• client: add ToString to ApiEnum (20899c6)
• client: add equality and tostring for multipart data (7e64d5f)
• client: add Equals and ToString to params (80c81af)
• End endpoint cleanup (6b33978)
• Include replay endpoint in stainless spec so SDK clients can get run metrics (e9fdd89)
• move Stainless compatibility transforms from gen-openapi.ts into stainless.yml (7068824)
• randomize region used for evals, split out pnpm and turbo cache, veri… (5c36c02)
• Removed MCP from readme for now (f173a80)
• Update stainless.yml for project and publish settings (5f7a786)

Bug Fixes

• client: handle unions containing unknown types properly (2a7576a)
• client: improve behaviour for comma-delimited binary content in multipart requests (63f7db5)
• client: improve union equality method (e0a1678)
• client: validate unions properly (087cc53)

Chores

• change visibility of QueryString() and AddDefaultHeaders (f655845)
• docs: add proxy documentation to readme (1fd2998)
• docs: add undocumented parameters to readme (79503d8)
• internal: add copy constructor tests (e4dcd96)
• internal: add sse tests (3c2c701)
• internal: ignore stainless-internal artifacts (a06a892)
• internal: improve HttpResponse qualification (b9f018b)
• internal: remove mock server code (5a63556)
• internal: update actions/checkout version (bebf217)
• tests: add tests for retry logic (8666f41)
• update mock server docs (7aac0ab)

Refactors

• internal: default headers (a6d9731)

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