I've been using Plasma for about a year now and I find it... underwhelming. Inconsistent "feel", things like the main menu search or the alt-tab feature are not

I've been using Plasma for about a year now and I find it... underwhelming. Inconsistent "feel", things like the main menu search or the alt-tab feature are not frictionless to me. Not sure what it is but I'm changing soon. I guess it's the nostalgia talking but I miss the golden old days of KDE 3, browsing away with Konqueror before Apple forked the KHTML engine.