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 sdkaideprecationengineer ·
Claude Code v2.1.183: Enhanced Safety and UX Improvements
This release of Claude Code includes significant safety enhancements, particularly around destructive Git and infrastructure commands, and improves the user experience with clearer model warnings and streamlined configuration. It addresses several bugs impacting subagent performance, terminal interaction, and task handling. These updates are primarily for developers and engineers interacting with Claude Code for coding and infrastructure tasks.
patch deprecation - Claude Platform Release Notes ai ·
Claude Platform Updates: New Models, Tools, and Cloud Support
Anthropic has released Claude Fable 5 and Claude Opus 4.8, offering enhanced capabilities like 1M token context windows and improved reasoning. New tool versions for code execution and web search, along with expanded support for Claude Platform on AWS, cater to developers and researchers. The release also includes deprecations of older models like Sonnet 4 and Opus 4, signaling a push towards newer, more powerful versions.
feature deprecation announcement - Anthropic News aigovernment ·
Anthropic suspends Fable 5 and Mythos 5 due to US government directive
Anthropic is suspending access to its Fable 5 and Mythos 5 models for all customers in response to a US government export control directive. The government cited national security concerns, believing a method to bypass the model's safeguards has been discovered. This action affects all users, including foreign national Anthropic employees, though other Anthropic models remain unaffected. Anthropic disagrees with the severity of the finding and is working to restore access.
announcement breaking - Claude Platform Release Notes ai ·
Claude Platform Updates: New Models, Tooling, and AWS Integration
Anthropic has released updates to its Claude Platform, including new models like Claude Fable 5 and Claude Opus 4.8, offering enhanced capabilities and larger context windows. The platform also introduces new tool functionalities, improved agent orchestration on AWS, and deprecates older models, requiring users to migrate to newer versions. These changes affect developers and organizations using the Claude API and its associated client SDKs and console.
feature deprecation 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 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 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 - 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 - Claude Release Notes deprecation ·
Claude Opus 4 and 4.1 models deprecated
Anthropic has removed the Opus 4 and 4.1 model versions from Claude and Claude Code. This change affects users who were utilizing these specific model versions. The company provides an article for guidance on adapting to new model personas following this deprecation.
deprecation