> Upstreaming spec-compliant web standards into PHP: HTML parsing, URL parsing, HTTP header parsing, Query arg parsing, MIME content-type inference. This is an area WordPress could help improve or sponsor work on, which would benefit WordPress and PHP at large.
Gee yeah that would have been useful to do *years* ago, and not realise this now *after* a new HTML5 compliant parser for DOM was introduced in 8.4 and URI parsing in 8.5/8.6 has been added with query parsing already being worked on.