Dedoimedo published a review on Plasma 5.21.
Plasma 5.21 review - Very slick, just one or five oily patches
Review of Plasma 5.21, covering in-vivo upgrade, look and feel, new theming, fonts and HD scaling, desktop tweaks and polish, Discover improvements, System Monitor, firewall control, various bugs, problems, regressions and crashes, and more
Plasma 5.21 review - Very slick, just one or five oily patches
