Tips for upgrading to Ubuntu 26.04 Resolute Raccoon

Tips for upgrading to Ubuntu 26.04 Resolute Raccoon I installed the Kubuntu flavor because I have an NVIDIA GPU and support is better on an X11 session (the main Ubuntu distribution only supports Wayland). A few things changed since 25.10. Mainly, the proprietary NVIDIA driver now has to be installed manually from the command line since the "Software and Updates" app is discontinued. No problem, just run: As always, you might want to see which apps use the discrete GPU with utilities like nvidia-smi and nvtop. Regarding the apps I use, I had an issue with the Atuin Desktop app where it crashed on start but was able to fix it with: You can reverse that change with this if needed: I haven't had issues with any other apps or developer tools so things are looking great. That's all for now! See my previous post for more on making your life on Linux more pleasant, especially if you have Apple devices like the Apple Studio Display.