REFEDS decided to instead develop a best practice guide for Service Providers to show how discovery could be well implemented. This is available at: https://discovery.refeds.org/. SPs
Access the REFEDS Discovery Best Practice Guide for Service Providers here.
Service Providers are encouraged to use software that uses MDUI information in metadata SAML Metadata to drive branding.
Why No Central Brand?
Guide for SPs
REFEDS has created a Discovery Guide for Services Providers looking to implement IdP discovery on their sites.