Crashes on launch
Flatpak crashes on launch with a "Failed to initialize GTK" error on Fedora Workstation 33 X11 session:
thread 'main' panicked at 'Unable to start GTK3: BoolError { message: "Failed to initialize GTK", filename: "/run/build/contrast/vendor/gtk/src/rt.rs", function: "gtk::rt", line: 116 }', src/libcore/result.rs:1165:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
Curiously, it seems to launch fine on a Wayland session.
Edited by Noëlle