Linux kernels 5.15 (LTS)
llvm 12
nodejs 16.13 (LTS) / nodejs-current 17.0
postgresql 14
openldap 2.6
ruby 3.0
rust 1.56
openjdk 17
kea 2.0
xorg-server 21.1
GNOME 41
KDE Plasma 5.23 / KDE Applications 21.08 / Plasma Mobile Gear 21.10
Support for disk encryption in installer
Support for out-of-tree kernel modules via AKMS (inspired by DKMS)
Initial support for UEFI Secure Boot on x86_64
https://www.alpinelinux.org/posts/Alpine-3.15.0-released.html