Exec runs a command and returns its exit code:
We have a ‘scrolling wall of icons’ benchmark in our gtk4-demo app, which naturally is good place to test the performance impact of icon rendering changes. When switching it over to GtkSvg, it initially dropped from 60fps to around 40 on my laptop. We’ve since done some optimizations and regained most of the lost fps.
，这一点在heLLoword翻译官方下载中也有详细论述
The fast path: 1.5 cycles from EA to physical address
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full