KDE Plasma

Base Plasma Packages

pacman -S plasma-meta plasma-wayland-session kde-applications-meta xdg-user-dirs \
xf86-video-amdgpu vulkan-radeon amdvlk libva-mesa-driver \
pipewire-pulse pipewire-jack pipewire-alsa \
hunspell hunspell-de hunspell-en_US hyphen hyphen-de \
cups logrotate system-config-printer \
freerdp packagekit-qt5 kimageformats ksshaskpass kvantum-qt5

Video Acceleration

pacman -S xf86-video-amdgpu libva-mesa-driver vulkan-radeon amdvlk 

Audio

pacman -S pipewire-pulse pipewire-jack pipewire-alsa

Spell Checking

pacman -S hunspell hunspell-de hunspell-en_US hyphen hyphen-de 

Printing

pacman -S cups logrotate system-config-printer
systemctl enable cups

Firefox

pacman -S firefox firefox-i18n-de
echo "MOZ_X11_EGL=1" >> /etc/environment
echo "MOZ_ENABLE_WAYLAND=1" >> /etc/environment
echo "MOZ_WEBRENDER=1" >> /etc/environment

Alternatively, set gfx.webrender.all to true to enable WebRender compositor.

Hardware Decoding

Set the following in about:config

media.ffmpeg.vaapi.enabled                     => true
media.ffvpx.enabled                            => false
media.rdd-vpx.enabled                          => false
media.navigator.mediadatadecoder_vpx_enabled   => true

Set X11 Keymap (for SDDM)

localectl set-x11-keymap de

Start SDDM on boot

systemctl enable sddm

Generate well-known user directories

xdg-user-dirs-update

Optional Deps

pacman -S freerdp packagekit-qt5 kimageformats ksshaskpass