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
- Claude Code Releases sdkaipreviewengineermediaenergy ·
Claude Code v2.1.181: New config syntax, macOS fixes, improved UI
This patch for Claude Code introduces a new in-prompt configuration syntax and enhances user experience with improved streaming and auto-retry mechanisms. It also addresses several critical bugs, particularly on macOS, related to Apple Events and startup performance. Users interacting with Claude Code will benefit from these stability and usability improvements, with no specific version prerequisites.
patch - Claude Code Releases sdkaiengineermedia ·
Claude Code v2.1.172: Sub-agents, Bedrock region, and numerous fixes
This patch for Claude Code introduces a significant enhancement allowing sub-agents to spawn their own sub-agents up to five levels deep, expanding agent capabilities. It also improves Amazon Bedrock integration by respecting AWS region configuration and includes fixes for session management, tool usage, and UI rendering. These changes benefit developers and architects using Claude Code for complex agent-based workflows, particularly those integrating with AWS services or encountering specific tool/UI bugs.
patch feature - 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 - Claude Platform Release Notes aimedia ·
Claude Platform Enhancements: Output Capping and Refusal Billing
Claude Platform now supports a `max_tokens` parameter for the advisor tool to reduce latency and costs by capping output. Additionally, users are no longer billed for requests that result in a refusal without any output. These changes are available on the Claude API and aim to improve efficiency and cost management for developers utilizing the advisor tool and handling refusals.
feature patch - Claude Platform Release Notes aipreviewmedia ·
Claude Platform Updates: New Models, Tools, and AWS Integration
Anthropic has released significant updates to its Claude Platform, including new models like Claude Fable 5 and Claude Opus 4.8, which offer larger context windows and improved capabilities. Enhancements to tools like code execution and web search, alongside new features like mid-conversation system messages and improved refusal handling, provide developers with more control and efficiency. The platform also expands its availability with Claude Platform on AWS and self-hosted sandbox options, broadening access and integration for enterprise users.
feature deprecation announcement 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 sdkaimedia ·
Anthropic SDK Python v0.98.0: API, Client, and Streaming Improvements
This release of the Anthropic SDK for Python (v0.98.0) introduces enhancements to Managed Agents APIs and adds support for Workload Identity Federation, interactive OAuth, and auth profiles in the client. It also fixes an issue with streaming stop details and corrects field name formatting for multipart file arrays. These changes benefit developers integrating Anthropic's models into their Python applications by improving agent management and authentication flexibility.
feature patch - Anthropic Python SDK Releases sdkaiengineermedia ·
Anthropic SDK for Python 0.94.1 fixes streaming event bug
Anthropic's Python SDK has been updated to version 0.94.1, addressing a bug where certain streaming events were not being emitted. This patch ensures more reliable and complete data delivery for users leveraging streaming capabilities in the SDK. The fix is now available for all users of the Python SDK.
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