[nfm]

Yep: https://openai.com/blog/march-20-chatgpt-outage

Some kind of concurrency bug in a library they were using to retrieve cached data from Redis led to this leak.

> We took ChatGPT offline earlier this week due to a bug in an open-source library which allowed some users to see titles from another active user’s chat history. It’s also possible that the first message of a newly-created conversation was visible in someone else’s chat history if both users were active around the same time.