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UI frozen after update #18378

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@xiaxilin

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

Activity

  1. added
    appIssues related to the Codex desktop app
    on Apr 17, 2026
  2. Edd-Gao commented on Apr 18, 2026

    @Edd-Gao

    I'm encountered with the same problem. I thought it's the connections feature causing this problem. Because in local workspace the UI doesn't freeze. But when I send messages to a remote workspace it always get frozen.
    Any progress on this?

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