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Anthropic Release notes and new features

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Anthropic releases

November 2026 digest

9 releases

Beta

Claude Code 2.1.305

- Added sandbox.allowNestedUserNamespaces so sandboxed commands on Linux can create user namespaces (Chromium, rootless podman); this lets them get around the sandbox's file protections Added CLAUDE_CODE_RETRY_WATCHDOG_USAGE_LIMIT_RECHECK_MS so unattended retry mode (CLAUDE_CODE_RETRY_WATCHDOG) notices a usage limit that was lifted before its reset Fixed...

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Claude Agent SDK 0.2.169

Documentation Clarified that include_hook_events does not suppress SessionStart and Setup hook events, which the CLI emits regardless of the setting Internal/Other Changes Updated bundled Claude CLI to version 2.1.305 CI: hash-pinned the release build tools (build, twine, wheel, hatchling) so a tampered or unexpected download stops the job PyPI...

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About and activity

Anthropic, PBC is an American artificial intelligence (AI) public benefit corporation headquartered in San Francisco, California. Its flagship product is Claude, a series of proprietary large language models (LLMs).

Official release-notes pages 10
Release-notes pageFeed
Claude apps release notes
support.claude.com
None
Claude Code changelog
github.com
None
Claude Code changelog (docs)
code.claude.com
None
Claude Code releases
github.com
RSS
Claude Platform release notes
platform.claude.com
None
Claude Agent SDK (Python) releases
github.com
RSS
Claude Agent SDK (TS) releases
github.com
RSS
Python SDK releases
github.com
RSS
System prompts release notes
platform.claude.com
None
TypeScript SDK releases
github.com
RSS