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 News ai ·
Cognizant and Anthropic Expand Partnership for Enterprise Claude Deployment
Cognizant and Anthropic are deepening their partnership to bring Claude AI to enterprise clients across various industries. Cognizant is embedding Claude into its own platforms, training a significant portion of its workforce, and becoming a Global Premier Partner. This collaboration aims to leverage Cognizant's domain expertise and engineering scale to deliver practical AI solutions for demanding enterprise environments.
announcement feature - Claude Code Releases sdkai ·
Claude-Code v2.1.219: Opus 5 default, stricter sandbox, nested subagents
Claude-Code version 2.1.219 updates the default Opus model to Claude Opus 5, offering a 1M context window and a faster mode. New sandboxing features enhance security by strictly allowing hosts, and subagent nesting is deepened to depth 3, benefiting complex workflow execution. These changes primarily impact developers and architects working with Anthropic's Claude models and require attention to updated security settings and workflow design.
feature patch - Claude Platform Release Notes aipreviewengineer ·
Claude Opus 5 Launched with 1M Token Context and Breaking Change
Anthropic has launched Claude Opus 5, a significant upgrade featuring a 1 million token context window, 128k max output tokens, and 'thinking' enabled by default. This update introduces a breaking change regarding the disabling of the 'thinking' parameter at higher effort levels. The new model is available via API and across major cloud platforms, with pricing unchanged from its predecessor.
feature breaking - Claude Release Notes aiengineer ·
Anthropic launches Claude Opus 5
Anthropic has launched Claude Opus 5, a new model designed to be thoughtful and proactive. This model offers performance approaching that of Claude Fable 5 but at half the cost. Further details are available in their official blog post.
feature announcement - Anthropic News aigaengineer ·
Anthropic Releases Claude Opus 5 with Enhanced Performance and Efficiency
Anthropic has launched Claude Opus 5, a significant upgrade to its Opus tier model, offering improved performance in coding and professional tasks at a reduced cost compared to its predecessor. It sets new benchmarks on evaluations like Frontier-Bench and GDPval-AA, demonstrating enhanced efficiency for everyday use, particularly in software engineering and scientific research. Opus 5 is now the default model on Claude Max and the strongest on Claude Pro, benefiting users who require advanced capabilities for complex workloads.
feature patch - Anthropic Python SDK Releases sdkai ·
Anthropic SDK for Python adds Claude Opus 5, tool handling
Anthropic's Python SDK has been updated to version 0.120.0, introducing support for the new Claude Opus 5 model. This release also enhances API capabilities with new features for tool addition and removal, along with tool change event handling. Additionally, it expands client-side fallback credit token types and introduces a server-side fallback default option, impacting developers utilizing these advanced AI models.
feature - Anthropic Python SDK Releases sdkai ·
Anthropic SDK Python v0.119.0 adds new stop reason, improves tool handling
Anthropic's Python SDK version 0.119.0 introduces a new stop reason for API responses, 'model_context_window_exceeded', enhancing error handling for developers. Additionally, it includes a bug fix for the agent toolset, enabling it to correctly handle binary files during read and edit operations. This update is relevant for developers using the Anthropic SDK in Python for their AI applications.
feature patch - Claude Platform Release Notes aipreviewmedia ·
Claude Managed Agents Updates: Effort Levels, Webhooks, and Session Seeding
Anthropic has enhanced Claude Managed Agents with new capabilities, including setting an effort level for agent models and expanded webhook event types for environment and memory store lifecycles. Users can now seed agent sessions with initial events, simplifying the start of agent loops. Additionally, updates to agent configurations are more flexible with an optional version field, and session thread event streams now support event deltas for previewing subagent output.
feature - Anthropic News ai ·
Claude Connector for Anthropic Economic Index Launched
Anthropic has released a new connector for Claude, allowing users to query the Anthropic Economic Index directly within conversations. This feature aims to make economic data on AI adoption more accessible to individuals curious about its impact on their fields. Users can ask specific questions about AI usage across occupations, industries, and tasks, with answers grounded in the Index's data. The connector is available in claude.ai and requires no installation, making it accessible to all Claude models.
feature announcement - Anthropic Python SDK Releases sdkaiengineermedia ·
Anthropic SDK Python Adds Managed Agents and Streaming Support
The Anthropic SDK for Python has been updated to version 0.118.0, introducing support for Managed Agents, initial session events, and threads delta streaming. This enhancement allows developers to leverage more advanced capabilities within the Anthropic API. The update is available now for all users of the Python SDK.
feature - Claude Code Releases sdkaipreviewengineer ·
Claude Code v2.1.217: Emoji Autocomplete, Improved Session Handling, and Bug Fixes
Claude Code v2.1.217 introduces emoji shortcode autocomplete in the prompt input for easier emoji insertion, and adds warnings for transcript write failures or disabled session saving. It addresses several memory leaks, Windows update issues, and session isolation problems, enhancing stability for developers using the tool. This patch aims to improve user experience and reliability, particularly for those on Windows or dealing with complex session configurations.
patch feature - Claude Code Releases sdkaiengineer ·
Claude-Code v2.1.216: Filesystem isolation, performance, and bug fixes
Claude-Code v2.1.216 introduces a new setting to disable filesystem isolation, enhancing flexibility for developers. This release also addresses critical performance regressions in long sessions and resolves numerous bugs affecting command execution, session resumes, and cross-platform compatibility. These fixes are crucial for maintaining stable and efficient development workflows for users interacting with Claude for code-related tasks.
patch feature - Anthropic News aihealthcare ·
Anthropic AI for Science Program Expands to Rare Disease Research
Anthropic is launching a new initiative within its AI for Science program, focusing on rare disease research through grants of up to $50,000 in Claude credits over six months. The program aims to accelerate scientific discovery by enabling researchers to leverage AI for understanding rare genetic diseases, building a community of experts, and speeding up clinical development. Applications are open through August 2, 2026, and accepted projects can utilize Claude Opus or other generally available models.
announcement feature - Anthropic Python SDK Releases sdkai ·
Anthropic SDK Python v0.117.0 Adds Dreaming and MCP Tunnels Support
Anthropic's Python SDK has been updated to version 0.117.0, introducing support for the 'dreaming' feature and MCP Tunnels. This release also includes a bug fix to enhance credential security by keeping sensitive material out of traceback frames. The update is relevant for developers using the Python SDK to integrate with Anthropic's AI models, with new features available now.
feature patch - Claude Release Notes aiengineer ·
Claude's memory updated to categorized entries
Claude's memory has been replaced with individual, categorized entries that are read and updated during conversations, replacing the previous daily summary. This change allows for more granular context management and builds on previous interactions. Users can learn more about leveraging Claude's new memory features in its documentation.
feature - Claude Platform Release Notes aipreview ·
Claude Platform Updates Include New API Features and Model Enhancements
Anthropic has released several updates to its Claude Platform, including new API capabilities for managing organizations and conversations, and enhancements to model features like context windows and memory management. These changes aim to improve developer control, user experience, and model performance for a wide range of users, from individual developers to enterprise organizations. Notable additions include mid-conversation system messages, an Admin API for user management, and a new Sonnet 5 model with expanded capabilities, some of which are currently in beta or preview.
feature patch deprecation announcement - Claude Release Notes gahealthcare ·
Anthropic Claude adds self-serve HIPAA configuration
Anthropic now allows eligible administrators to manage HIPAA readiness for Claude Enterprise and the Claude Platform through a self-serve flow. This enables organizations to review the Business Associate Agreement (BAA), access an implementation guide, and enable HIPAA configuration directly within the platform. This update is relevant for organizations in the healthcare sector needing to ensure compliance with HIPAA regulations when using Claude.
feature announcement - Claude Platform Release Notes aipreviewengineer ·
Claude Enterprise Admin API Beta for User Management
Anthropic is releasing a beta version of the Admin API for Claude Enterprise, enabling organizations to manage users and roles programmatically. This feature allows for detailed control over membership, invitations, and custom roles, which is crucial for enterprise-level administration and security. It is available to all Claude Enterprise organizations with specific beta headers required for certain advanced functions.
feature announcement - Anthropic News aiengineereducation ·
Anthropic Launches Claude for Teachers with Free Premium Access
Anthropic has launched Claude for Teachers, offering verified US K-12 educators free access to premium Claude capabilities, teaching skills, and curriculum connections. This initiative aims to help teachers implement best practices, address time constraints, and improve student outcomes by integrating AI support into instructional planning and differentiation. The service includes integrations with various K-12 tools and is built with a focus on privacy and FERPA compliance. Educators can sign up for free access until June 30, 2027.
feature announcement - Anthropic News aigaengineer ·
Anthropic Invests $10M CAD in Canadian AI Research and Startups
Anthropic is committing $10 million CAD to fund AI research and development at leading Canadian institutions and support startups. This investment aims to advance beneficial and responsible AI applications, building on Canada's historical contributions to AI research. The initiative includes partnerships with major AI institutes and provides Claude API credits to researchers and startups, alongside a report on Claude usage in Canada.
announcement feature
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.
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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.