Starting with version 5.0.8, changes for MySQL Cluster can be found in the combined MySQL Release Notes.
Functionality added or changed:
(Bug #11019) mgmapi start backup in some cases returns wrong backupid
(Bug #10190) Backup from cluster wih NoOfReplica=1 is corrupt
(Bug #9246) Condition pushdown and left join, wrong result
(Bug #10956) More than 7 node restarts with
--initial caused cluster to fail.
ALTER TABLE caused
server crash. (Linux/390)
(Bug #10711) (Bug #9363) (Bug #8918) (Bug #10058) (Bug #9025)
Cluster would time out and crash after first query; setting
DataMemory to more than 2GB prevented cluster from starting;
ndb_select_count() crashed the
cluster. (64-bit Unix OSes)