The most annoying thing about frontend is the shifting sands. Not only is it complex but APIs, browsers / windowing systems, OSes, and UI/UX fads are constantly

The most annoying thing about frontend is the shifting sands. Not only is it complex but APIs, browsers / windowing systems, OSes, and UI/UX fads are constantly shifting. You often have to rewrite the damn thing every few years or it looks "old," and when people see apps that look "old" they assume they're not maintained or are of low quality.