Not as good as it used to be. I've written an article outlining the worrying results of multiple Ubuntu family LTS upgrades, including physical and virtual Ubuntu and Kubuntu systems, versions 20.04 through 24.04, with numerous bugs and issues like broken setup due to screen lock, missing configurations and programs, alarming trend of deteriorating quality and stability, general lack of product-driven development in the Linux world, other observations, and more. Take a look.
