500 when visit https://openai.com/waitlist/plugins

I want develop an plugins, and when i visit https://openai.com/waitlist/plugins . the page show

does waitlist for plugins closed?

Temporary outage. You can follow here for updates…

Service degradation in ChatGPT Subscribe

Update - We continue to investigate the issue.
Jan 10, 2024 - 21:38 PST

Update - We are continuing to investigate the issue.
Jan 10, 2024 - 21:14 PST

Investigating - We are currently investigating degraded service in ChatGPT where pages are loading slower than normal impacting potentially all users.
Jan 10, 2024 - 20:41 PST