Further investigation shows the following in my Apache error logs. The favicon errors don't seem important but that sw.js thing seems like maybe a problem? But if the issue is with my apache config why am I just having issues after upgrading?
Why is this step necessary? mastodon.radicalityincident.com might not be the server where you are registered, so we need to redirect you to your home server first. Don't have an account? You can sign up here
mastodon.radicalityincident.com