Changing your website's primary domain in Edit Website Details now completes immediately, without waiting for DNS changes or the final SSL certificate.
Templ uses a temporary SSL certificate while the final certificate is pending and activates the final certificate automatically once it has been issued.
You can now test your website on its intended domain before changing public DNS by pointing the domain to Templ in your computer's hosts file. Public visitors continue to follow the existing DNS records.
See Change a website's domain for instructions and SSL considerations.