Claude Code 2.1.273
UpdateVerifiedAdded Sep 22, 2026
What's changed Added x-claude-code-request-class , x-claude-code-agent-type , x-claude-code-prev-tool-durations , x-claude-code-compaction and x-claude-code-context-compacted request headers for LLM gateways; opt in with CLAUDE_CODE_GATEWAY_HINT_HEADERS=1 Added a notification when an MCP server disconnects mid-session and automatic reconnection gives up...
Topics: AI agents, LLMs, MCP, Security, Data integration
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More Claude Code releases
Every Claude Code release| Date | Release | Type |
|---|---|---|
| Sep 15 | Claude Code 2.1.272 Update | Update |
| Sep 14 | Claude Code 2.1.271 Update | Update |
| Sep 17 | Claude Code 2.1.275 Update | Update |
| Sep 17 | Claude Code 2.1.274 Update | Update |
| Sep 18 | Claude Code 2.1.277 Update | Update |
| Sep 18 | Claude Code 2.1.276 Update | Update |
| Sep 12 | Claude Code 2.1.270 Update | Update |
| Sep 19 | Claude Code 2.1.278 Update | Update |
