The branch feature/saml was removed when it was merged to main branch ie when it was done.
Saml integration - http://xibo.org.uk/manual-tempel/en/users_saml.html (or github manual link in Dan’s post)
Feature topic link in Dan’s post also has some details about this integration.
It’s 1.8 exclusive feature, we’ve recently released 1.8.0-rc1 version, full release should happen early next year.