Buster marks the last Debian release made before stepping into this decade. And the first in a streak that I shall refer to as the “B’s”; Buster, Bullseye and Bookworm, a chain of releases that I reason were more iterative than revolutionary.| wrongthink.link
Alpine does not currently follow the /usr merge filesystem layout, however it is possible to create a merged /usr Alpine system by adjusting apk to correctly rewrite symlinks...| GitLab
The addition of the '/usr merge' feature has been something of longstanding mess in the Debian [...]| LWN.net
5.1. Upgrade specific items for bookworm| www.debian.org