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What’s New in Version 7.6

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    Couchbase is the modern database for enterprise applications. Couchbase Server 7.6 combines the strengths of relational databases with the flexibility, performance, and scale of Couchbase.

    For information about platform support changes, deprecation notifications, notable improvements, and fixed and known issues, refer to the Release Notes.

    New Features and Enhancements

    The following new features are provided in this release.

    • A required minimum can be established for the number of replicas configured for a bucket. See Setting a Replica-Minimum.

    • In each user-created or sample bucket, a _system scope is created and maintained by default. This scope contains collections used by Couchbase services, for service-specific data. See _system Scope and its Collections.

    • Node-connectivity can be checked, prior to the creation of an XDCR reference. See Checking Connections.

    • Binary documents can optionally be included in, or excluded from XDCR replications. See Filtering Binary Documents.

    • A rank can be assigned to each bucket on the cluster, whereby each bucket’s handling by the rebalance process is appropriately prioritized. Assignment can be made by means of either the CLI or the REST API. This feature allows the cluster’s most mission-critical data to be rebalanced most quickly. See Creating and Editing Buckets.

    • Security settings now provide additional parameters, for the configuration of Couchbase-Server user-password hashing. See Configure On-the-Wire Security.

    • Credentials for Couchbase-Server internal users can now be rotated at any time, by means of the REST API. See Rotate Internal Credentials.

    • One or more Serviceless Nodes can now be added to a cluster. A serviceless node provides two forms of cluster-management support:

    Developer Preview

    The following features are provided as part of the Developer Preview for 7.6.

    For information on using these features, see Developer Preview Mode and Features.