Claude Code 2.1.273 Ships with 64 CLI Changes

Claude Code shipped version 2.1.273 just 18 hours after the previous release, with 64 CLI changes including session forking, MCP reconnection improvements and gateway debug headers. Prompt tokens grew another 6.4% in that window.

2026-09-16 ~ 2026-09-16 · 3 related posts

• Claude Code 2.1.273 ships 64 CLI changes: session forking, MCP diagnostics — ClaudeCodeLog · 2026-09-16
• Claude Code 2.1.273 full changelog: gateway hint headers, security fixes — ClaudeCodeLog · 2026-09-16
• Claude Code 2.1.273 Adds Gateway Headers as Prompt Tokens Grow 6.4% — ClaudeCodeLog · 2026-09-16