[BUG] /rename command not available after update 2.0.65

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Today I'm trying to use the new /rename command but it seems to not be available, despit the new changelog CHANGELOG.md

<img width="1217" height="774" alt="Image" src="https://github.com/user-attachments/assets/e7a56e42-018f-44ed-a1ed-5134f3e78202" />

What Should Happen?

I should be able to rename a session with /rename command

Error Messages/Logs

> Unknown slash command: rename

Steps to Reproduce

1. Type /rename your-session-name
2. Get the error > Unknown slash command: rename

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.0.65

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_