GPT-5.3-Codex disappeared from the models select list

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

Version 26.609.30741 • Released Jun 11, 2026

What subscription do you have?

Plus @ €23 / month

What platform is your computer?

Darwin 23.6.0 x86_64 i386

What issue are you seeing?

Only yesterday, I could select the GPT-5.3-Codex model along with GPT-5.5, GPT-5.4, GPT-5.4-Mini.
Today it is disappeared, but I need it.
What has happened?!

What steps can reproduce the bug?

Launch the /Applications/Codex.app

<img width="472" height="410" alt="Image" src="https://github.com/user-attachments/assets/e2630fb0-5ad3-48a2-9ec2-cba5483d0dcc" />

What is the expected behavior?

_No response_

Additional information

_No response_