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
- 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
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.