Undo - is not working

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

GPT-5.3 Codex

What subscription do you have?

Plus

What platform is your computer?

Mac os

What issue are you seeing?

it wont let me hit undo and has now put in 1800 lines of pure slop that i cant reverse since i didnt push the code (it was a wip)

<img width="568" height="204" alt="Image" src="https://github.com/user-attachments/assets/2f0e5175-fe6a-471f-a175-69f1628afae0" />

What steps can reproduce the bug?

just ask it to code and then try and hit undo it wont let you

What is the expected behavior?

_No response_

Additional information

my code has been ruined thank you! my bad for trying out codex