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 218 Anthropic releases · Updated
- 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 - 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 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 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 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 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 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.
patch - 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 sdkaipreviewengineer ·
Anthropic SDK Python v0.97.0: CMA Memory Beta, API Fixes, Performance
Anthropic's Python SDK has been updated to version 0.97.0, introducing the public beta of CMA Memory. This release also includes fixes for API specification errors and restores missing features, alongside performance optimizations for multipart requests. These changes primarily affect developers using the SDK for integration with Anthropic's AI models, with the CMA Memory feature available in public beta.
feature patch - Anthropic Python SDK Releases sdkaiengineer ·
Anthropic SDK Python v0.96.0 adds Claude 4 Opus and user profiles
Anthropic has released version 0.96.0 of its Python SDK, introducing support for the Claude 4 Opus model. This update also includes token budget management and user profile capabilities, enhancing the fine-grained control available to developers integrating Anthropic's AI models. The release is available now for all users of the SDK.
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.
patch - Anthropic Python SDK Releases sdkai ·
Anthropic SDK Python v0.94.0 adds Vertex EU region support
Anthropic's Python SDK has released version 0.94.0, introducing support for the Vertex EU region. This update includes a bug fix for ensuring file data is sent as a single parameter and documentation enhancements. The release benefits users integrating with Anthropic's models via the Vertex AI platform in the EU, with improved examples now available.
feature 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
About Anthropic release tracking on ReleaseBytes
Anthropic ships Claude model releases, API updates and SDK versions on a rapid cadence. ReleaseBytes tracks the official Anthropic announcement channels and SDK changelogs, summarising each release and flagging model deprecations and breaking changes so teams building on Claude stay ahead of them.
Frequently asked questions
How often are Anthropic release notes updated on ReleaseBytes? ›
Continuously. ReleaseBytes monitors the official Anthropic release channels around the clock and publishes a plain-English summary of each announcement shortly after it lands.
What kinds of Anthropic changes does ReleaseBytes track? ›
New features, enhancements, bug fixes, security advisories, breaking changes, deprecations and end-of-life announcements. Every item is tagged by type so you can filter to just the changes that need action.
How can I get alerts for new Anthropic releases? ›
Set up a free email or Slack alert filtered to Anthropic, subscribe to the weekly digest, or follow the RSS feed. Teams can also install the ReleaseBytes GitHub App or connect via MCP.
Where does the Anthropic release data come from? ›
From the official sources: Anthropic news, Claude releases and SDK updates. Every item links back to the original vendor announcement.