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v0.86.0

anthropic-sdk-python Releases / 3/19/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • Adds filesystem memory tools support and includes manual API updates (commits 235d218 and 86dbe4aa58386bfb8d1497debf342e929e9bb5e5; 45d9cc0914200a43743ab11aa311392e9d8c1b4f).
  • Bug fixes address AsyncAnthropic._make_status_error for 529 and 413 status codes and update dependencies and pydantic behavior (typing-extensions and by_alias handling).
  • Chores include internal CI branch tweaks to improve the CI workflow.

0.86.0 (2026-03-18)

Full Changelog: v0.85.0...v0.86.0

Features

Bug Fixes

  • AsyncAnthropic._make_status_error missing 529 and 413 cases (#1244) (05220bc)
  • deps: bump minimum typing-extensions version (09ab112)
  • pydantic: do not pass by_alias unless set (b17480e)

Chores

  • internal: tweak CI branches (3c0308c)