Resolved
The incident is resolved. The impact start time is October 31, 2023, 16:43:00 UTC and the end time is October 31, 2023, 19:17 UTC.
Retroactive
We identified an issue with a certificate, partially affecting http://devcenter.heroku.com|devcenter.heroku.com between 16:43 UTC and 19:17 UTC. Impacted users could experience the page not loading or 502 errors (The request could not be satisfied).