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codex - 💡(How to fix) Fix UI frozen after update [1 comments, 2 participants]

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openai/codex#18378•Fetched 2026-04-18 05:55:01
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What version of the Codex App are you using (From “About Codex” dialog)?

26.415.30602

What subscription do you have?

Pro

What platform is your computer?

macOS 26.4.1 build 25E253

What issue are you seeing?

After upgrading to 26.415.30602, clicking Send causes several seconds of UI stutter/freezing. This happens even in a brand-new thread by the second short message.

What steps can reproduce the bug?

  1. Install Codex Desktop 26.415.30602.
  2. Start a new thread.
  3. Send "hello".
  4. Send another short message.
  5. Observe UI stutter/freezing for several seconds after clicking Send.

What is the expected behavior?

Short messages in a new thread should send without multi-second UI stalls.

Downgrading to 26.415.20818 fixes the problem immediately on the same machine. This also reproduced on another computer, so it does not appear to be machine-specific.

Additional information

No response

extent analysis

TL;DR

Downgrade to version 26.415.20818 to potentially resolve the UI stuttering issue after sending short messages.

Guidance

  • The problem seems to be introduced in version 26.415.30602, as downgrading to 26.415.20818 fixes the issue.
  • To verify, try sending short messages in a new thread after downgrading to confirm if the UI stuttering is resolved.
  • If downgrading is not feasible, try to identify any patterns or specific conditions that trigger the UI freezing, which could help in isolating the cause.
  • Consider reporting this issue to the Codex App support team, providing them with the version numbers and the steps to reproduce the bug for further investigation.

Notes

The exact cause of the UI stuttering is not specified, and without more information about the changes between versions 26.415.20818 and 26.415.30602, it's challenging to provide a more targeted fix.

Recommendation

Apply workaround: Downgrade to version 26.415.20818, as it has been confirmed to resolve the issue, at least until a fix for version 26.415.30602 is available.

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codex - 💡(How to fix) Fix UI frozen after update [1 comments, 2 participants]