The year of the Linux desktop is long ago, but this year definitely will be the year of Linux mobile
Not reliable as a daily driver but very cool
Whenever it better expresses what you mean. In most cases it doesn’t make a huge difference because the compiler don’t care
ChromeOS (more it’s Debian Container)
OpenSUSE Tumbleweed
Distrohopping every view Weeks
KDE Neon
NixOS