wp-includes/SimplePie/src/Gzdecode.php:145Don't allow anything to be set
$namestring$valuemixed public function __set(string $name, $value) { throw new Exception("Cannot write property $name"); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/SimplePie/src/Gzdecode.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.