I have not switched back to Kubuntu yet. I am still daily-driving Manjaro KDE on my ASUS Vivobook Pro 15, with Plasma 6.6.5, Wayland, btrfs, and a hybrid Intel Arc + NVIDIA RTX 3050 setup. But I have been running Kubuntu 26.04 LTS in VirtualBox, comparing the two side by side, and asking a question I did not expect to ask again after several happy years on Arch-based rolling release: ...
If you use the simple Bash Terminal in your OS, you may want to give Zsh a try to use a faster and safer terminal with many more features. The simple Bash that exist in the common dist of Linuxes are not changed over years and just received some security fixes, but the community behind Zsh are improving it everyday and bring new useful plugins. I use ‘Oh my Zsh’, Oh My Zsh is an open source, community-driven framework for managing your zsh configuration. ...
After switching from Gnome and Unity to KDE, I had a problem with SDDM and it was that it could not detect correct resolution for my UltraWide monitor and set it to Full HD instead of 2560×1080. I had a similar problem in Ubuntu with another old monitor. Anyway that solution is same in both cases. The solution for this problem is using Xrandr and Xsetup to set the correct resolution and make it permanent. ...