codex - 💡(How to fix) Fix ALT+ENTER no longer inserts blank line after update [2 comments, 3 participants]

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openai/codex#20775Fetched 2026-05-03 04:45:43
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What version of Codex CLI is running?

0.128.0

What subscription do you have?

Plus

Which model were you using?

gpt-5.5

What platform is your computer?

Linux

What terminal emulator and version are you using (if applicable)?

gnome-terminal 3.56.2-2 Debian

What issue are you seeing?

Following a message in the past 24 hours to update via 'npm -g install', ALT+ENTER no longer allows me to insert newlines.

What steps can reproduce the bug?

  1. Use gnome-terminal
  2. Start codex
  3. Type "Hello". Press ALT+ENTER. Note no newline inserted any more

What is the expected behavior?

A newline should be inserted as before

Additional information

No response

extent analysis

TL;DR

The issue with ALT+ENTER not inserting newlines in Codex CLI after updating to version 0.128.0 may be resolved by checking for updates or downgrading to a previous version.

Guidance

  • Verify that the update was successful and that there are no other keyboard shortcut conflicts in gnome-terminal.
  • Try using a different terminal emulator to see if the issue is specific to gnome-terminal.
  • Check the Codex CLI documentation for any changes to keyboard shortcuts or newline insertion behavior in version 0.128.0.
  • If the issue persists, consider downgrading to a previous version of Codex CLI to see if the problem is specific to version 0.128.0.

Notes

The issue may be specific to the combination of Codex CLI version 0.128.0 and gnome-terminal, and further investigation is needed to determine the root cause.

Recommendation

Apply workaround: Try downgrading to a previous version of Codex CLI, as the issue may be specific to version 0.128.0 and a fix may not be available yet.

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