### ⚠ BREAKING CHANGES * **api:** add support for new API version 2026-10-21 ### Features * **api:** add a workspace_id filter and the usage_tier scope type to list spend limits * **api:** add support for new API version 2026-10-21 ### Documentation * **api:** remove outdated system role note from messages description
anthropic-sdk-python v2.0.0 Released with Breaking Changes
anthropic-sdk-python v2.0.0 supports API version 2026-10-21, adds a workspace_id filter and usage_tier scope to list spend limits, and removes outdated documentation notes.