Python SDK v2.0.0 brings breaking changes; workspace_id filter added to spend limits for finer access control
Anthropic Python SDK v2.0.0 released with API 2026-10-21 support
Original: anthropics/anthropic-sdk-python: v2.0.0
Importance: SDK メジャーバージョンアップで破壊的変更を含むため、既存ユーザーの確認・対応が必須
Summary
Anthropic released Python SDK v2.0.0 with support for the new API version 2026-10-21. This is a breaking change release. The update introduces a workspace_id filter and usage_tier scope type for spend limit management. Outdated system role documentation in the messages API has been removed. Users relying on older SDK versions should review breaking changes before upgrading.
Key Points
- v2.0.0 includes breaking changes
- Supports new API version 2026-10-21
- Spend limits now support workspace_id filter and usage_tier scope
- Messages API documentation updated
View developer notes (APIs, breaking changes, migration)
anthropic-sdk-python v2.0.0 supports the new API version 2026-10-21 as a breaking change release. Migration requires code review before upgrading. The spend limits management API adds workspace_id filter and usage_tier scope type for fine-grained access control. Outdated system role documentation has been removed from the messages API reference. Review the official changelog for detailed breaking change details before migrating to v2.0.0.
Source: https://github.com/anthropics/anthropic-sdk-python/releases/tag/v2.0.0
Outlet: SDK (anthropic-sdk-python)
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