Bug report: Codex VS Code extension stuck on loading, never shows login screen

I guess the cause differs for everyone. In my case, it was because I forgot to unset the CODEX_HOME environment variable that I set last year while trying Speckit.

For those still having this problem, try opening the Output tab (Ctrl+Shift+U) and then choose Codex as the output source. You might see the cause there. You could also copy that output and paste it when asking for help here or when asking an AI.