Xwayland Support for niri

Complete guide to setting up Xwayland support in niri window manager for running X11 applications in a Wayland environment on Fedora.

Xwayland Support (X11 Applications)

For running X11 applications in niri’s Wayland environment:


# Install xwayland-satellite for better X11 app support
sudo dnf copr enable ulysg/xwayland-satellite
sudo dnf install xwayland-satellite

Add Xwayland configuration to ~/.config/niri/config.kdl:


// Start xwayland-satellite with niri
spawn-at-startup "xwayland-satellite"

// Environment variables for X11 compatibility
environment {
    DISPLAY ":0"

    // https://github.com/YaLTeR/niri/blob/e0b0b04b445f7044f383e50104f861e632e1c905/wiki/Application-Issues.md?plain=1#L14
    // seems not working
    // ELECTRON_OZONE_PLATFORM_HINT "auto"
    // for brave, go to brave://flags/
    // set "Preferred Ozone platform" to Wayland and relaunch
    // https://discussion.fedoraproject.org/t/fix-ui-scale-bug-electron-apps-too-small/142940/3
}

References: