Files or Directories

/etc/fstab
/etc/pacman.d/mirrorlist
/etc/pacman.conf
/boot/loader/loader.conf
/boot/loader/entries/arch.conf
/etc/locale.conf
/etc/locale.gen
/etc/hostname
/etc/hosts
/etc/resolv.conf
/etc/ssh/sshd_config
/etc/NetworkManager/
/etc/environment
/etc/xdg/mimeapps.list
/etc/xdg/picom.conf
/usr/share/fonts/
/usr/local/share/fonts/
/usr/share/doc/
/usr/share/xsessions/
/usr/lib/systemd/system/sddm.service
/usr/lib/sddm/sddm.conf.d/default.conf

Downgrade packages

cd /var/cache/pacman/pkg
# choose previous version
sudo pacman -U linux-6.5.9.arch2-1-x86_64.pkg.tar.zst

DPI

Edit ~/.Xresources:

Xft.dpi: 120

Edit ~/.xprofile:

xsetroot -cursor_name left_ptr && xsetroot -xcf /usr/share/icons/breeze_cursors/cursors/left_ptr 32

KDE Settings -> appearance -> Fonts -> Force fonts DPI 120