Anthropic Release notes and new features

San Francisco, US · 233 releases · 10 this month

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Anthropic releases

November 2026 digest

6 releases

Claude Platform

We've launched OpenTelemetry export in beta, so you can trace Messages API requests and Claude Managed Agents

We've launched OpenTelemetry export in beta, so you can trace Messages API requests and Claude Managed Agents sessions in your observability backend. The Claude SDK emits spans in Python, TypeScript, C#, Go, Java, PHP, and Ruby. To get spans from the API, add an OpenTelemetry destination in the Claude Console.

BetaOct 14

Claude Code

- Added virtualText to a mod's prompt decorations: text drawn in the prompt box that never enters the draft or the submitted prompt Added cache_creation_5m_tokens and cache_creation_1h_tokens to the OpenTelemetry api_request event, splitting cache writes by lifetime Added $.ui.view({ agentId }) for mods: shows an agent's transcript in the main view when you...

Update2.1.299 to 2.1.300, Oct 14

Claude Agent SDK

Internal/Other Changes Updated bundled Claude CLI to version 2.1.300 PyPI: https://pypi.org/project/claude-agent-sdk/0.2.167/ bash pip install claude-agent-sdk==0.2.167

Update0.2.166 to 0.2.167, Oct 14

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).

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Releases per month

11Jun 29Jul 31Aug 73Sep 79Oct 10Nov

Official release-notes pages 10

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