wp-includes/sodium_compat/src/Compat.php:3764The equivalent to the libsodium minor version we aim to be compatible with (sans pwhash and memzero).
int public static function library_version_major() { if (self::useNewSodiumAPI() && defined('SODIUM_LIBRARY_MAJOR_VERSION')) { return SODIUM_LIBRARY_MAJOR_VERSION; } if (self::use_fallback('library_version_major')) { /** @psalm-suppress UndefinedFunction */ return (int) call_user_func('\\Sodium\\library_version_major'); } return self::LIBRARY_VERSION_MAJOR; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Compat.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.