Peppermint OS 7 was released back in June with many graphical changes. I personally did not like the font change. Before, it was better. Well, at this time I’m using Peppermint OS 7 because it’s faster and it has few apps that I need. I have also tried Plasma in Peppermint OS 7 and so far it is working smooth. If you like Plasma but you’re using Peppermint, then check out this article to install KDE Plasma 5 in Peppermint OS.