Running userOptions.php in beta yielded the following error:
InvalidArgumentException from line 429 of /srv/mediawiki/php-master/includes/user/Options/UserOptionsManager.php: MediaWiki\User\Options\UserOptionsManager::saveOptionsInternal was called on anon or temporary user
#0 /srv/mediawiki/php-master/includes/user/Options/UserOptionsManager.php(403): MediaWiki\User\Options\UserOptionsManager->saveOptionsInternal(Object(MediaWiki\User\UserIdentityValue), Object(Wikimedia\Rdbms\DBConnRef))
#1 /srv/mediawiki/php-master/maintenance/userOptions.php(219): MediaWiki\User\Options\UserOptionsManager->saveOptions(Object(MediaWiki\User\UserIdentityValue))
#2 /srv/mediawiki/php-master/maintenance/userOptions.php(76): UserOptionsMaintenance->updateOptions()
#3 /srv/mediawiki/php-master/maintenance/includes/MaintenanceRunner.php(698): UserOptionsMaintenance->execute()
#4 /srv/mediawiki/php-master/maintenance/run.php(51): MediaWiki\Maintenance\MaintenanceRunner->run()
#5 /srv/mediawiki/multiversion/MWScript.php(158): require_once('/srv/mediawiki/...')
#6 {main}