Have you tried using SwayWM? It's compatible with your existing i3 configuration but uses Wayland as the display protocol so some of your issues could be solved

Have you tried using SwayWM? It's compatible with your existing i3 configuration but uses Wayland as the display protocol so some of your issues could be solved by that switch (Firefox performance, hardware video decoding, multiple monitors...). See https://fedoramagazine.org/setting-up-the-sway-window-manager-on-fedora/ https://fedoramagazine.org/setting-up-the-sway-window-manage... And https://fedoramagazine.org/how-to-setup-multiple-monitors-in-sway/ https://fedoramagazine.org/how-to-setup-multiple-monitors-in...