Is Sandbox down?

@Bryan-Square my app id is: sandbox-sq0idb-1MyURhD8WAhvRaxEYKhG-A

Did some more investigating and when I hit the image URL I am getting this response:

<?xml version="1.0" encoding="UTF-8"?>
    <Message>Requests specifying Server Side Encryption with AWS KMS managed keys require AWS Signature Version 4.</Message>

Seems like that would be the culprit

Edit: on safari but same issue when typing the image url in chrome, and of course they don’t load in my app either.

And URL for testing purposes is: