Thanks Martin, you were part of the group that was discussing this with me in Slack. I'll have to do some testing but when I first checked it didn't seem to support sorting.. and then sub sorting.. because I want it to be reverse time sorted after being sorted by severity.
@leonphelps_s - Were you able to find a solution to your answer? Did martin_mueller help generate that answer at all? If yes, please don't forget to post an additional comment within this thread or post a new answer if you were able to come up with a brand new solution. Then resolve your post by clicking "Accept" so others can find it. If you need additional help, please leave a comment with more feedback. Thanks!
I don't think the sort change is possible using the standard "Incident Review" Dashboard
You could make a search that displays what you are looking for a separate dashboard or you could add a dropdown to the "Incident Review" dropdown that would only show open critical incidents or something of that nature.
Here is a link that would help.