Missing Dependency riseup-vpn-git
The package "qt5-graphicaleffects" is needed to start the graphical interface. Without only a empty window opens.
Terminal output: "qrc:/components/Splash.qml:3:1: module "QtGraphicalEffects" is not installed"
Installing this package solves this problem: https://archlinux.org/packages/extra/x86_64/qt5-graphicaleffects/