The Commerce Manager dashboard is now fully operational.
Netlify has now resolved their degraded performance issue.
Netlify's latest update:
Resolved - Service has been stable for over an hour now. Team continues to monitor closely and we will be posting a public write up about the incident as soon as we can. If any further large scale issues occur, we will open a new incident on our status page.
Please see Netlify's status page for more information on their service health - https://www.netlifystatus.com/