[BUG] claude starts outputing windows new line stuff recently

Resolved 💬 6 comments Opened Dec 21, 2025 by u011 Closed Feb 14, 2026

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?

on macos and linux, claude started wirting files with wrong new line character (CLRF) which fail
\r \n

What Should Happen?

correct new line character generated

Error Messages/Logs

Steps to Reproduce

Just use it, idk how to force. I set version there it worked, but perhaps relates to model.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

v2.0.60

Claude Code Version

v2.0.75

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_

View original on GitHub ↗

This issue has 6 comments on GitHub. Read the full discussion on GitHub ↗