The problem with detail/summary is that in some browsers that element is hard to style correctly and always turns out to be so limited that you ask yourself why

The problem with detail/summary is that in some browsers that element is hard to style correctly and always turns out to be so limited that you ask yourself why you don’t fully develop this functionality manually and put some aria attributes on it for good WCAG2.1 measure. Also applies to progress, for which you need to use obscure browser-specific CSS rules.