NixOS 25.11 released

Version
25.11 of the NixOS distribution has been released. 'The 25.11
release was made possible due to the efforts of 2742 contributors, who
authored 59430 commits since the previous release'. Changes include
7,002 new packages, GNOME 49, LLVM 21, a new COSMIC desktop
environment beta, firewalld support, and more; see the
release notes for details.