The system-config-printer package in [extra] is back: this package is no more split between system-config-printer-common and -gnome. As a side effect, this package now ships (the missing) *.pyc files and this causes the update to fail due to some conflicts. To update, please use the following: # pacman -Su --ignore system-config-printer # pacman -S system-config-printer --force -- Andrea Arch Linux Developer