Extensive UI flickering when codex is working

Open 💬 5 comments Opened Feb 16, 2026 by thetinygoat

What version of the Codex App are you using (From “About Codex” dialog)?

Version 26.212.1823 (661)

What subscription do you have?

ChatGPT Plus

What platform is your computer?

Darwin 24.6.0 arm64 arm

What issue are you seeing?

The ui flickers a lot while codex is working. Sharing a video.

https://github.com/user-attachments/assets/d440f591-1d87-4349-94cb-5464929ee6d9

What steps can reproduce the bug?

I did nothing special, just using it for a while introduces this issue.

What is the expected behavior?

_No response_

Additional information

_No response_

View original on GitHub ↗

5 Comments

pyromaniac · 6 months ago

It especially blinks a lot with the diff panel open.

jasonvasquez · 4 months ago

I've started getting this behavior recently as well. Most recently confirmed with version 26.409.20454 (1462)

r4geee · 3 months ago

Same for me. I have big monitor and it starts flickering when I expand the window beyond certain size

enif-lee · 3 months ago

Same for me.. especially reproduced often on external monitor

lyyuexiaoxiang415-lgtm · 3 months ago

Same for me. The version is 26.506.31421. Is there any solution?