release: 1.7.0

[stainless-app]

Automated Release PR

1.7.0 (2026-09-18)

Full Changelog: v1.6.0...v1.7.0

Features

• api: add group with display_name to rate limits, deprecate group_type (28f0a83)
• tools: add compact_before_next_turn() to the tool runner (#641) (8b23fb3)

Bug Fixes

• bedrock: raise an API error for eventstream exception and error frames (#769) (8ec9cc9)
• client: accept X | Y union types when parsing responses (b366fa5)
• client: don't raise TypeError for X | Y fields with unknown data (30ebd69)
• client: join multiple anthropic-beta values with a comma and no space (#781) (1680324)
• tools: tidy compact_before_next_turn() state and failure handling (#804) (d3a9fc8)

Chores

• deps: require pydantic 1.10 or later (91931e1)
• docs: add descriptions for enum values and path parameters (99184dc)
• docs: clarify the compaction tool_changes and tool change descriptions (eacc0ff)
• internal: add more unnecessary cast comments (9e6ce27)
• internal: pass strict= to zip() in the MCP tool helpers (13cfe64)
• internal: remove an unused noqa comment from the model tests (2c18298)
• internal: set ruff's target version to Python 3.10 (2bdfd41)

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[stainless-app]

🤖 Release is at https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.7.0 🌻