This incident has been resolved.
A fix has been implemented and we are monitoring the results.
We've resolved the issue with the extension page and are monitoring it now to ensure that it is working correctly.
We've identified the issue resulting in the extensions page not being available and are working to resolve it now.
As a note, extensions are functional, but accessing them from the dashboard is currently not working.
We're currently investigating an issue that is resulting in the extensions page not being available.