ReleasesClaude Code version history

Claude Code 2.1.277

Released

Claude Code 2.1.277 was released on September 18, 2026 with 87 documented changes.

What changed in Claude Code 2.1.277?

In our words, from the release notes — never copied.

  • Users can now instruct Claude Code using an `AGENTS.md` file if no `CLAUDE.md` is present in their project.
  • Several issues causing sessions to hang, crash, or incorrectly report information have been resolved across various functionalities.
  • Improvements were made to how Claude Code handles prompts, ensuring better parsing and a smoother startup for some users.
  • The Claude apps gateway gained new capabilities for handling egress boundaries and sending static headers to proxies.
  • VS Code integration received updates, including enhanced task management, copy options, and improved cost display.
  • Performance and stability of session resumption and background tasks have been improved for all users.

Is this the latest version?

This page is frozen to Claude Code 2.1.277 and stays at this address. The Claude Code version history always lists the newest tracked version first.

Summarized by Claude Network from GitHub. Last verified .