Though TSSEC was canceled, patches are available through their normal vendor, just online. While I know it doesn't make up for losing TSSEC, I wanted to make sure that you're aware that patches are available at the link below. You may not get to compete, but you still qualified.
https://www.southwestemblem.com/products/uil-texas-state-solo-ensemble-contest-patch-and-attachment
Benton