The binary version for MySQL Cluster 7.2.12 has now been made available at http://www.mysql.com/downloads/cluster/ (GPL version) and should soon be available at https://support.oracle.com/ (commercial version).
A description of all of the changes (fixes) that have gone into MySQL Cluster 7.2.12 (compared to 7.2.10) is available from the 7.2.12 Change log.