I'd say both stability and update. Debian never upgrades anything (unless security issue). All packages are frozen at the time of the initial major release. Ha

I'd say both stability and update. Debian never upgrades anything (unless security issue). All packages are frozen at the time of the initial major release. Have fun using curl/htop/nginx/libreoffice from 5-10 years ago, plenty of obscure bugs and missing command line flags. RHEL actually maintain their system packages.