Anthropic SDK v0.98.0

v0.98.0, released 2026-05-04, improves the Managed Agents APIs and adds client auth features including Workload Identity Federation, interactive OAuth, auth profiles, and environment-based header configuration. It also fixes streaming stop details propagation, multipart file-array field naming, and missing us/eu multi-region base_url branches in the Vertex async client.

0.98.0 (2026-05-04) Full Changelog: v0.97.0...v0.98.0 Features api: improve Managed Agents APIs ( 7faf393 ) client: add Workload Identity Federation, interactive OAuth, and auth profiles ( 6458bcc ) support setting headers via env ( 52eb8cd ) Bug Fixes streaming: propagate stop_details from message_delta onto accumulated Message ( #1725 ) ( 900dd9b ) use correct field name format for multipart file arrays ( 8350bdc ) vertex: async client missing us/eu multi-region base_url branches ( #1734 ) ( 3e78f71 ) Chores internal: reformat pyproject.toml ( 5a9d5fd )