Model switching broken f/ new thread creation #19374

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

Version 26.422.21637 (2056)

What subscription do you have?

PRO $100/mo

What platform is your computer?

macOS 15.6.1 (24G90)

What issue are you seeing?

5.5 model cannot be chosen as the active model from the model switcher dropdown, during new thread creation. If something is happening, it is not visible on the front end, and no error or other message appears to notify me of any change or the lack thereof.

What steps can reproduce the bug?

Uploaded thread: c27964bb-f5a8-4866-bbad-8b82589116e9

What is the expected behavior?

Model selector input updates to 5.5

Additional information

Level of annoying = 9/10