# Anthropic Python SDK v1.6.0

Category: model-behavior
Published: 2026-09-15T15:14:42Z
Source: [Anthropic Python SDK releases](https://github.com/anthropics/anthropic-sdk-python/releases/tag/v1.6.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-30T00:17:32.113Z
Tags: anthropic, sdk, python

## Human Summary
Anthropic Python SDK releases published Anthropic Python SDK v1.6.0. 1.6.0 (2026-09-15) Full Changelog: v1.5.0...v1.6.0 Features api: add auto mode tool permissions for Managed Agents ( 909d92f ) api: add compaction parameter and signed compaction blocks (beta) ( 8689179 ) api: add enum types for workspace data-residency geo fields ( 3dc6dbf ) api: add…

## Agent Summary
Treat Anthropic Python SDK v1.6.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Anthropic Python SDK releases published Anthropic Python SDK v1.6.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: 1.6.0 (2026-09-15) Full Changelog: v1.5.0...v1.6.0 Features api: add auto mode tool permissions for Managed Agents ( 909d92f ) api: add compaction parameter and signed compaction blocks (beta) ( 8689179 ) api: add enum types for workspace data-residency geo fields ( 3dc6dbf ) api: add thinking mismatch allowed entries to input transformations (beta) ( 14d1792 ) api: add url sources to the web fetch tool ( 4ba7115 ) api: add workspace id parameter to user profiles methods ( 1c359b2 ) client: support async credential token providers ( 95e93f7 ) Bug Fixes api: mark usage iteration model as nullable ( 520d000 ) api: use one input transformation type for message and delta event ( ae86d7d ) client: honor Retry-After values above 60 seconds ( 2d03ba2 ) client: ignore invalid Retry-After values and validate maxRetries ( 909d92f ) client: retry connection errors in the async client and stop…

## Recommended actions
- Review the official Anthropic Python SDK releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.