v1.45.0

1.45.0 (2026-05-21)

Full Changelog: v1.44.1...v1.45.0

Features

• api: Add support for thinking-token-count beta for estimated tokens in thinking block deltas when streaming (dedeb6d)

v1.44.1

1.44.1 (2026-05-19)

Full Changelog: v1.44.0...v1.44.1

Bug Fixes

• runner: skip tool calls SessionToolRunner does not own (93afc65)

v1.44.0

1.44.0 (2026-05-19)

Full Changelog: v1.43.0...v1.44.0

Features

• client: Add support for self-hosted sandboxes in CMA with sandbox helpers (34354c4)

v1.43.0

1.43.0 (2026-05-13)

Full Changelog: v1.42.0...v1.43.0

Features

• api: Add BetaManagedAgentsSearchResultBlock types (498fafc)
• api: Add support for cache diagnostics beta (eac032f)
• client: add compatibility aliases for old type names (38e1f89)
• client: add compatibility aliases for old type names (a98b0fb)
• client: optimize json encoder for internal types (f379c42)

Bug Fixes

• structured outputs: allowlist enum, const, pattern, allOf in transformSchema (#823) (d368786)

Chores

• api: spec updates (502b9f1)
• fix standard webhooks version (#842) (1fdda46)
• internal: simplify release-please config (69da3d6)

v1.42.0

1.42.0 (2026-05-11)

Full Changelog: v1.41.0...v1.42.0

Features

• aws: Add AWS client for Claude Platform on AWS (596baf4)

Bug Fixes

• examples: update examples dependencies (e832b79)
• go: avoid panic when http.DefaultTransport is wrapped (6b75bef)

Chores

• client: update dependency checksums (64c1d95)
• go mod tidy (#816) (09b5f9c)
• internal: codegen related update (6e83495)
• internal: codegen related update (34d1379)
• internal: codegen related update (c068475)
• redact api-key headers in debug logs (46a074f)
• redact api-key headers in debug logs (1fe2ebb)

v1.41.0

1.41.0 (2026-05-06)

Full Changelog: v1.40.0...v1.41.0

Features

• api: add support for Managed Agents multiagents and outcomes, webhooks, vault validation (33762b0)
• mcp: add mcp tool helpers (#752) (4edf9f5)

Bug Fixes

• api: Adjust webhook configuration (8b2f194)

v1.40.0

1.40.0 (2026-05-05)

Full Changelog: v1.39.0...v1.40.0

Features

• client: allow targeting a workspace for OIDC federation token exchange (6bf66ac)

v1.39.0

1.39.0 (2026-05-04)

Full Changelog: v1.38.0...v1.39.0

Features

• api: improve Managed Agents APIs (eadf509)
• client: add Workload Identity Federation, interactive OAuth, and auth profiles (0f0cc01)
• go: add default http client with timeout (b81c287)
• support setting headers via env (641015d)

Bug Fixes

• client: add 10 min timeout (#770) (917fe19)

Chores

• avoid embedding reflect.Type for dead code elimination (11168b4)

v1.38.0

1.38.0 (2026-04-23)

Full Changelog: v1.37.0...v1.38.0

Features

• add Type() method to API errors for error kind identification (#676) (0db1712)
• api: CMA Memory public beta (180e00c)
• structured outputs via Schema any with auto-parse (#759) (46073d8)

Bug Fixes

• api: fix errors in api spec (e47c178)
• api: restore missing features (0fc6fac)

Chores

• internal: more robust bootstrap script (5bde204)
• tests: bump steady to v0.22.1 (4578c15)

v1.37.0

1.37.0 (2026-04-16)

Full Changelog: v1.36.0...v1.37.0

Features

• api: add claude-opus-4-7, token budgets and user_profiles (6e758a9)