This release introduces support for 'dreaming' and 'MCP Tunnels' in the API, along with a bug fix that keeps credential material out of traceback frame locals. Additionally, there are several documentation updates.
Added a new beta header 'agent-memory-2026-07-22' to the API, enhancing its capabilities.
This release adds support for system.message streaming events and introduces a new refusal category, along with the ability to send User Profile ID in request headers. Additionally, it fixes an issue with creating parent directories with the correct permissions.
Introduced a new feature that allows tagging refusal-fallback middleware requests with fallback-refusal-middleware.
This release introduces support for 'claude-mythos-5' and 'claude-fable-5', along with client-side fallbacks middleware for API providers lacking server-side fallbacks.
This release adds support for 'claude-opus-4-8', mid-conversation system blocks, and 'usage.output_tokens_details', along with the ability to support custom file size caps.
Fixed a bug in the streaming feature where encrypted_content was not carried through the beta compaction accumulator.
The v0.94.1 release of Anthropic Claude includes a bug fix that adds missing events in the streaming functionality.
Version 0.94.0 introduces a new feature for the vertex EU region and includes a bug fix to ensure file data is sent as a single parameter. Additionally, documentation has been improved and updated with new examples.
The v0.93.0 release of Anthropic Claude introduces a new beta advisor tool to the API, enhancing its functionality.
The v0.92.0 release introduces support for Claude Managed Agents in the API, enhancing its capabilities.
The v0.91.0 release introduces a new feature that allows the creation of a Bedrock Mantle client. This update enhances the functionality of the Anthropic Claude service.
The v0.90.0 release of Anthropic Claude introduces support for the claude-mythos-preview API and includes a bug fix that preserves hardcoded query parameters when merging with user parameters.
Version 0.89.0 introduces support for a US multi-region endpoint and fixes a bug related to preserving hardcoded query parameters. Additionally, client-side compaction helpers have been deprecated.
Version 0.88.0 introduces new features including structured stop_details in message responses, bedrock API key authentication, and preparation of the AWS package. Additionally, it includes a chore to update the steady dependency to version 0.20.2.