Cluster node communication can now be encrypted. For more information, see Cluster Encrypted Inter-Node Communication.

For read-only applications, the new client configuration parameter secondary_only=yes will redirect commands to a secondary node instead of the primary node.

The Cluster Framework Library version is now 4.23, which allows graceful leave of a node (for example, to avoid a possible UNDEFINED state of the remaining primary node in case of internal SST errors of the JOINER node).

ADAOPR display=cluster now also prints the current sequence number of the last committed transaction for each node in the list.

The ADAFDU utility is no longer allowed for an offline node.

The READONLY nucleus option is now rejected for a node.

The ADADBM RENUMBER FILE command is now rejected for an offline node, as well as for an online secondary node.

The ADADBM RENAME FILE command is now replicated, but rejected for an offline node, as well as for an online secondary node.

A catch exception is now issued for an online SST request of a node after failing a network connection for a long time. The node will stop with an error message, requiring a restart. A graceful leave will avoid an UNDEFINED state of a primary node.