Whenever I press the D key, it randomly outputs DD occasionally. There have been times when I logged back in and wherever I clicked to enter text, a bunch of B letters were being generated, only stopping after pressing delete. A few keys have occasionally stopped working, fixed by a reboot.
I am currently using KDE Plasma; I had no previous issues on other distributions, and what intrigues me the most is that I’ve used the same kernel on Fedora without these issues. However, since I’ve been using it for only a few days, I wouldn’t bet on that since it has increasingly come to my attention only now.