Update as of 2:42 PM: The incident has been resolved.
Update as of 2:36 PM: A fix has been implemented and they are monitoring the results.
Update as of 2:31 PM: Instructure has identified the issue and a fix is being implemented.
Instructure has reported that a large portion of Canvas clients are experiencing slowness and errors in the US. We are monitoring their status of the issue and will post updates here as they come in.