This is the start of the WordPress 6.3 about page, introducing new content and a first pass of the new style.
Props jpantani, dansoschin, annezazu, priethor, marybaum, eidolonnight, clarkeemily, flixos90, cbringmann, meher, richtabor, markoserb, joen, saxonafletcher, jameskoster, davidbaumwald, peterwilsoncc, ryelle.
See #58067.
Built from https://develop.svn.wordpress.org/trunk@56263
git-svn-id: http://core.svn.wordpress.org/trunk@55775 1a063a9b-81f0-0310-95a4-ce76da25c4cd