The following sections describe changes in the implementation of NDB Cluster in MySQL NDB Cluster 7.5 and NDB Cluster 7.6 as compared to earlier release series. NDB Cluster 7.5 is available as a General Availability release beginning with NDB 7.5.4, and is recommended for new deployments. NDB Cluster 7.6 is available as a Developer Milestone release. For information about additions and other changes in NDB Cluster 7.5, see Section 3.4.1, “What is New in NDB Cluster 7.5”; for information about new features and other changes in NDB Cluster 7.6, see Section 3.4.2, “What is New in NDB Cluster 7.6”.
NDB Cluster 7.4 is a recent General Availability release still supported for new deployments. NDB Cluster 7.3, is a previous GA release, still supported in production for existing deployments. NDB Cluster 7.2 is also a previous GA release series which is still supported in production. NDB 7.1 and earlier releases series are no longer maintained or supported in production. We recommend that new deployments use NDB Cluster 7.4 or NDB Cluster 7.5, which is the latest GA release. For information about features added in NDB 7.4, see What is New in NDB Cluster 7.4; What is New in NDB Cluster 7.3 contains information about features added in NDB 7.3. For information about NDB Cluster 7.2 and previous NDB Cluster releases, see What is New in MySQL NDB Cluster 7.2.