wp-includes/SimplePie/src/IRI.php:857Set the iuserinfo.
$iuserinfostringbool public function set_userinfo($iuserinfo) { if ($iuserinfo === null) { $this->iuserinfo = null; } else { $this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:'); $this->scheme_normalization(); } return true; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
$iuserinfo retyped from string to string|null.verified against sourcesrc/wp-includes/SimplePie/src/IRI.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.