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 sdkaiengineerfinance ·
Claude Code v2.1.169: Troubleshooting, Directory Navigation, and UI Fixes
This update to Claude Code introduces a `--safe-mode` flag for troubleshooting and a `/cd` command for changing directories mid-session without disrupting the prompt cache. It also includes numerous bug fixes addressing issues with UI responsiveness, enterprise policies, and agent management across platforms. These changes benefit developers and architects troubleshooting complex setups or working with large codebases, offering a more stable and efficient experience.
patch feature - 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 - 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 Platform Release Notes aideprecation ·
Claude Platform Updates: New Models, Deprecations, and Tool Enhancements
Anthropic has released new flagship models, Claude Fable 5 and Claude Opus 4.8, featuring larger context windows and enhanced adaptive thinking. The company is also retiring older models like Claude Sonnet 4 and Opus 4.1, recommending upgrades. Several tools and platform features, including code execution, web search, and managed agents, have received updates and expanded availability on AWS, impacting developers and researchers using the Claude API.
feature deprecation 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 - Anthropic News ai ·
Anthropic Launches Claude Partner Network Services Track and Partner Hub
Anthropic is expanding its Claude Partner Network by introducing a Services Track with tiered levels and a Partner Hub portal. These initiatives aim to provide customers with clearer visibility into partner capabilities and qualifications for deploying AI in production. The program requires partners to meet specific criteria for certified individuals, deployed customers, and public endorsements, ensuring a consistent standard for firms of all sizes.
announcement 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 - 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 - Anthropic News aisecurityengineer ·
Anthropic Expands Project Glasswing to 150 New Organizations
Anthropic is expanding Project Glasswing, an initiative to secure critical software, to approximately 150 new organizations across over 15 countries. This expansion aims to leverage AI, specifically Claude Mythos Preview, to scan codebases for vulnerabilities and promote more secure software development practices in the face of increasingly powerful AI models. The program now includes organizations in diverse sectors like power, water, and healthcare, and emphasizes the need for robust safeguards as AI capabilities advance. New partners will undergo security reviews before gaining access.
announcement feature - Claude Release Notes aiengineer ·
Anthropic adds custom admin roles for enterprise
Anthropic has extended its custom roles framework to include admin permissions for enterprise plans. This feature allows organizations to grant specific administrative access, such as managing billing or privacy settings, to team members without assigning them full owner privileges. This granular control is now available for enterprise customers.
feature - Claude Platform Release Notes ai ·
Claude Platform Updates: New Models, Tools, and AWS Integration
Anthropic has released new models like Claude Fable 5 and Claude Opus 4.8, featuring expanded context windows and improved adaptive thinking. Updates to tools like the code execution and web search tools enhance agentic workflows. Key features include mid-conversation system messages and expanded Claude Managed Agents capabilities on AWS. These updates are relevant to developers and architects integrating Claude into applications.
feature deprecation 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 - Claude Platform Release Notes aigapreviewdeprecation ·
Claude Platform Updates: Opus 4.8, Mid-conversation System Messages, and Tooling
Anthropic has launched Claude Opus 4.8, their most capable generally available model, featuring a 1M token context window and enhanced reasoning capabilities. The release also introduces mid-conversation system messages and publicly documents the `stop_details` field for refusal responses, benefiting developers integrating Claude into applications. Opus 4.8 is now available via Claude API, Amazon Bedrock, and Vertex AI.
feature patch - Anthropic News ai ·
Anthropic Releases Claude Opus 4.8 with Enhanced Coding and Agentic Capabilities
Anthropic has launched Claude Opus 4.8, an upgraded version of its Opus model, featuring significant performance improvements in coding, agentic tasks, and long-running work. This release includes new features like effort control for users and dynamic workflows in Claude Code for large-scale problem-solving. The model is available today and demonstrates enhanced judgment, reliability, and efficiency across various benchmarks, making it a more effective collaborator for professional and engineering workloads.
feature patch - Claude Release Notes aisecuritygovernanceengineer ·
Anthropic adds custom roles for connector access control on Enterprise plans
Anthropic's Enterprise plans now allow administrators to control connector access through custom roles. This feature extends the existing custom roles framework, enabling granular permissions for specific connectors and tools. This impacts administrators managing access for teams on Enterprise plans.
feature - Claude Release Notes aigaengineer ·
Claude Opus 4.8 released with improved coding and reasoning
Anthropic has launched Claude Opus 4.8, an upgraded version of its powerful language model. This new iteration demonstrates enhanced capabilities in coding, agentic tasks, reasoning, and practical knowledge work compared to its predecessor, Opus 4.7. The update is available now and offers significant improvements for users engaged in complex problem-solving and development tasks.
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 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 - Claude Release Notes aisecuritycomplianceengineer ·
Claude adds compliance API integrations
Anthropic has introduced Claude Compliance API integrations with security and compliance tools. This allows IT and security teams to govern Claude usage on their platform similarly to other applications. Documentation is available for getting started.
feature announcement