claude-code - 💡(How to fix) Fix [BUG] Enable progress bar on Rio terminal [1 comments, 2 participants]

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anthropics/claude-code#47102Fetched 2026-04-13 05:41:25
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Preflight Checklist

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

What's Wrong?

Hi, would like to enable OSC 9;4 protocol on Rio terminal

<img width="912" height="602" alt="Image" src="https://github.com/user-attachments/assets/a9fc3744-b0b7-49bd-8fc9-bd0cb0a15537" />

Thank you!

What Should Happen?

Report OSC 9;4 Protocol on Rio

Error Messages/Logs

Steps to Reproduce

just run any command

Claude Model

Sonnet (default)

Is this a regression?

No, this never worked

Last Working Version

No response

Claude Code Version

2.1.104 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Other

Additional Information

No response

extent analysis

TL;DR

Enable the OSC 9;4 protocol on the Rio terminal by checking the terminal settings or configuration.

Guidance

  • Check the Rio terminal settings to see if there is an option to enable the OSC 9;4 protocol.
  • Verify that the Claude Code version 2.1.104 supports the OSC 9;4 protocol.
  • Review the Anthropic API documentation to ensure that the OSC 9;4 protocol is compatible with the API.
  • If the issue persists, try checking the terminal emulation settings or the shell configuration to see if there are any restrictions or limitations that may be preventing the OSC 9;4 protocol from working.

Notes

The issue lacks specific error messages or logs, making it difficult to provide a more detailed solution. Additionally, the fact that this feature "never worked" suggests that it may be a configuration or compatibility issue rather than a bug in the Claude Code.

Recommendation

Apply workaround: Check the terminal settings and configuration to enable the OSC 9;4 protocol, as it is unclear if this is a bug in the Claude Code or a configuration issue.

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