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v0.85.0

anthropic-sdk-python Releases / 3/17/2026

📰 NewsDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • The v0.85.0 release of the anthropic-sdk-python (dated 2026-03-16) includes API config cleanup (model enum list) and GA thinking-display-setting, along with an update to the test/mock server.
  • Bug fixes add missing 413 and 529 error handlers to the async client and propagate container_id for programmatic tool calls.
  • Chores and internal work cover a uv version bump, codegen-related updates, and adjustments to async message compaction using a filtered messages list.
  • Tests are updated with a refreshed mock server and unskipped tests now supported in steady.

0.85.0 (2026-03-16)

Full Changelog: v0.84.0...v0.85.0

Features

  • api: chore(config): clean up model enum list (#31) (cce1a5b)
  • api: GA thinking-display-setting (207340c)
  • tests: update mock server (7dc86a4)

Bug Fixes

  • client: add missing 413 and 529 error handlers to async client (#1554) (9c2986f)
  • tool runner: propagate container_id for programmatic tool calling (#1462) (3ae7ff6)
  • tools: use filtered messages list in async compaction (#1124) (710d666)

Chores

  • ci: bump uv version (09656ac)
  • internal: codegen related update (c9e9fc2)
  • internal: codegen related update (77f77d1)
  • tests: unskip tests that are now supported in steady (827330b)