Anthropic releases
Anthropic news, Claude releases and SDK updates. New features, breaking changes, security advisories and deprecations - each summarised in plain English and updated continuously.
Tracking 125 Anthropic releases · Updated
- Anthropic Python SDK Releases sdkai ·
Anthropic SDK Python v0.107.0 adds Managed Agents API types
Anthropic's Python SDK has been updated to version 0.107.0, introducing small enhancements to its Managed Agents API types. This update provides developers using the SDK with refined data structures for interacting with Anthropic's agent capabilities. The changes are available immediately for developers who update their SDK.
feature - Claude Code Releases sdkaiengineer ·
Claude-Code v2.1.167: Bug Fixes and Reliability Improvements
Claude-Code version 2.1.167 addresses underlying bugs and enhances overall reliability. This patch is relevant for users of the Claude-Code model, particularly those integrating it into their development workflows. The specific improvements focus on fixing defects rather than introducing new features.
patch - Claude Code Releases sdkaiengineermedia ·
Claude Code v2.1.166: Improved fallbacks, session hardening, and bug fixes
This patch for Claude Code introduces a `fallbackModel` setting to automatically retry with alternative models on overload or unavailability, enhancing resilience. It also hardens cross-session messaging by stripping user authority from relayed messages and adds improved error handling for API rejections. These changes benefit users relying on Claude Code for coding assistance, particularly in complex or unstable environments, by ensuring more consistent operation and fixing several bugs affecting IDE integration and terminal handling.
patch - Anthropic Python SDK Releases sdkaideprecation ·
Anthropic SDK Python v0.106.0: Claude Opus 4.1 deprecated, client fixes
Anthropic has released version 0.106.0 of its Python SDK, marking Claude Opus 4.1 as deprecated. This release also includes bug fixes for the Foundry client's copy and with_options methods, and improves schema transformation to preserve $defs. Users of the Python SDK are advised to note the deprecation and benefit from the client enhancements.
feature patch - Claude Code Releases sdkaiengineer ·
Claude Code v2.1.165 Patch Addresses Bugs
Anthropic has released version 2.1.165 of Claude Code, focusing on bug fixes and reliability improvements. This patch aims to enhance the stability and performance of the coding assistant for users. It is available now for all users leveraging Claude Code.
patch - Claude Code Releases sdkaiengineer ·
Claude Code v2.1.162: Enhanced Agent Features and Bug Fixes
This update for Claude Code introduces several enhancements, including new details in `claude agents --json` to clarify session blocking, improved handling of search tools, and persistent default settings for effort levels. It also addresses numerous bugs, such as silent startup hangs, incorrect permission rule application, and display issues within the agents view, improving overall stability and user feedback for developers using the integrated coding environment.
patch feature - Claude Code Releases sdkai ·
Claude Code v2.1.161: Enhanced Usage Metrics, Tool Call Fixes, and UI Improvements
Claude Code version 2.1.161 incorporates `OTEL_RESOURCE_ATTRIBUTES` into metric datapoints for granular usage analysis, and enhances parallel tool call reliability by preventing failed Bash commands from canceling other operations. This patch also introduces UI refinements, improves handling of unused connectors, and addresses several regressions and bugs affecting sessions, policies, and terminal rendering for a smoother developer experience. The update is available now for all users.
patch feature - Claude Code Releases sdkai ·
Claude Code v2.1.160: Security, Stability, and UX Improvements
This patch enhances Claude Code's security and stability by adding prompts for writing to sensitive shell startup and build-tool config files, preventing unintended command execution. It also improves user experience with fixes for session restoration, clipboard functionality on WSL, and responsiveness issues on Windows. These updates benefit all users, particularly those on Windows or relying on background sessions, with improved stability and a more robust security posture.
patch security - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK Python v0.105.2 Release
Anthropic has released version 0.105.2 of its Python SDK. This patch update contains minor adjustments and improvements to the SDK. Users are encouraged to update to the latest version for the most stable experience.
patch - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK Python v0.105.1: Trusted Publishing for PyPI
The Anthropic SDK for Python has released version 0.105.1. This update primarily focuses on internal improvements by adopting Trusted Publishing for PyPI releases. This change aims to streamline and secure the deployment process for library maintainers. The update is available now and applies to all users of the Python SDK.
patch - Anthropic Python SDK Releases sdkai ·
Anthropic SDK Python v0.105.0 adds Claude 4 Opus support and file size caps
Anthropic's Python SDK has been updated to version 0.105.0, introducing support for the Claude 4 Opus model and allowing for custom file size caps. This release also includes enhancements to mid-conversation system blocks and detailed token usage. These updates are available now for developers integrating Anthropic's models into their Python applications.
feature patch - Anthropic Python SDK Releases sdkaipreviewengineermedia ·
Anthropic SDK Python v0.104.1 patches streaming bug
The Anthropic SDK for Python has released version 0.104.1, addressing a bug in its streaming functionality. This patch ensures that encrypted content is correctly handled during beta compaction, preventing data loss for users relying on this feature. The update is available now for all Python developers using the SDK.
patch - Anthropic Python SDK Releases sdkaipreviewmedia ·
Anthropic SDK Python v0.104.0 Adds Beta Token Count Support
Anthropic's Python SDK has been updated to version 0.104.0, introducing beta support for 'thinking-token-count'. This feature allows developers to estimate token usage within the thinking block of streaming responses. The update is relevant for developers using the Anthropic API via the Python SDK and is available now.
feature - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK Python v0.103.1 fixes runner bug
Anthropic's Python SDK has released version 0.103.1, addressing a bug in the SessionToolRunner. This patch ensures that the runner only processes tool calls it is responsible for, preventing potential issues with shared tool execution contexts. The fix is available now for users of the SDK.
patch - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK for Python v0.103.0 Adds Self-Hosted Sandbox Support
The Anthropic SDK for Python version 0.103.0 introduces support for self-hosted sandboxes within the Cloud Model Availability (CMA) feature. This enhancement allows developers to utilize custom sandbox environments for their model deployments. The update is available now and includes specific helper functions for integrating these self-hosted sandboxes.
feature - Anthropic Python SDK Releases sdkaipreviewengineer ·
Anthropic SDK Python v0.102.0 adds managed agents and cache diagnostics
Anthropic's Python SDK has been updated to version 0.102.0, introducing new types for BetaManagedAgentsSearchResultBlock and support for cache diagnostics. These features enhance the SDK's capabilities for developers working with managed agents and allow for better monitoring of caching mechanisms. The update is available now for all users of the SDK.
feature patch - Anthropic Python SDK Releases sdkai ·
Anthropic SDK for Python v0.101.0 adds AWS client
The Anthropic SDK for Python has released version 0.101.0, introducing a new AWS client for accessing Claude models on AWS. This update also includes a fix for a file type error message and several chore updates related to examples. The new AWS client is available immediately for users leveraging the Anthropic platform on Amazon Web Services.
feature patch - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK Python v0.100.0 adds Managed Agents support
Anthropic's Python SDK has been updated to version 0.100.0, introducing significant new features for Managed Agents. This release enables multi-agent capabilities, outcomes, webhooks, and vault validation, enhancing the SDK's flexibility for complex AI workflows. It also includes an adjustment to webhook configuration.
feature patch - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK Python 0.99.0 adds workspace targeting for OIDC federation
Anthropic's Python SDK has been updated to version 0.99.0, introducing the ability to target a specific workspace when exchanging OIDC federation tokens. This enhancement is beneficial for developers managing multiple workspaces or requiring granular control over token exchange processes. The update focuses on improving client capabilities for enterprise use cases.
feature - Anthropic Python SDK Releases sdkai ·
Anthropic SDK Python v0.98.1 Fixes Example Typo
Anthropic's Python SDK has released version 0.98.1, primarily addressing a minor typo within its example documentation. This patch aims to improve code clarity and prevent potential confusion for developers using the SDK. The change is a small, non-breaking update for all users of the Python SDK.
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