We also tested on our side and confirmed that the issue has been resolved.
Thank you for taking care of this.
That said, this same type of problem has occurred in the past as well
https://community.openai.com/t/custom-gpt-oauth-stuck-on-talking-to-domain-looking-for-official-guidance/1348110
I understand things can get busy, but we would really appreciate continued efforts to prevent similar regressions in the future.
Thanks again for your support. @OpenAI_Support