Have personally been using KDE Wayland on EndeavourOS for a while, and It’s been free of major bugs save for some games going to a black screen after tabbing out of them.
Obsidian isnt FOSS sadly, but still very good and you own your files
Its usually not something people want, but in some countries (Germany) WhatsApp is a synonym for texting. If you don’t have it as a student for instance, you’re practically socially ostracizing yourself. I don’t want to use it at all, but you basically have to, and at that point I also want to access it on my school Laptop, which runs Pop!..
Like the EU, but on a national level