Stable Debian releases
Debian has released updates to its stable and old stable distributions. Debian 9.1 is the first update to "stretch"and Debian 8.9 is the ninth update to"jessie". These updates do not constitute a new versions of Debian, theyonly update some of the packages included. "Those who frequentlyinstall updates from security.debian.org won't have to update manypackages, and most such updates are included in the point release."