Been using macOS since the OS X days of Panther (2003). Since then, people were kicking and screaming about bugs that Apple presumably didn't fix yet, and that's probably true. But it does get fixed, and if you're just sensible - like not upgrading immediately, you'll hardly notice issues. On average, I'm about 6-12 months behind on major versions. I'm in 26.6.2 (Tahoe) right now