Hi Efraim, since the upgrade from alacritty 0.9 to 0.12 it does not work any more with the DISPLAY environment variable unset (i.e. without xwayland). The error message is: thread 'main' panicked at 'Failed to initialize any backend! Wayland status: NoWaylandLib X11 status: XOpenDisplayFailed', /tmp/guix-build-alacritty-0.12.0.drv-0/source/guix-vendor/rust-winit-0.28.3.tar.gz/src/platform_impl/linux/mod.rs:757:9 Could you have a look? Thanks, Lars