Hello. https://www.debian.org/doc/manuals/debian-faq/getting-debian.en.html#version says release 10, a.k.a. the `stable' distribution or buster But, now release 11 bullseye is stable. Update please.
- Latest version of Debian sebul
- current Debian stable release and debian-faq / R... Joost van Baal-Ilić