Hacker News with Generative AI: Browser Compatibility

The problem with User-Agent strings (nielsleenheer.com)
If you regularly check your website’s analytics, you may have noticed something weird in the past year or two. None of your visitors use Windows 11, and nobody upgraded their computer past macOS 10.15 Catalina. That can’t be right. So what is going on?
MDN Browser Support Timelines (simonwillison.net)