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Release Notes

    Quicklinks

    Release 3.3 | Release 3.2 | Release 3.1 | Release 3.0 | Archived documentation

    Couchbase Sync Gateway
    This content describes the key features and changes implemented by release 4.0.0 of Couchbase Sync Gateway

    One Way Upgrade

    The migration to a 4.x configuration is a ONE WAY process — see: Upgrading for more.

    4.0.4 — April 2026

    Fixed Issues

    Enhancements

    Known Issues

    None for this release.

    Deprecations

    None for this release.

    4.0.3 — February 2026

    Fixed Issues

    Enhancements

    Known Issues

    None for this release.

    Deprecations

    None for this release.

    4.0.2 — December 2025

    Fixed Issues

    Enhancements

    Known Issues

    None for this release.

    Deprecations

    None for this release.

    4.0.1 — November 2025

    Fixed Issues

    Enhancements

    Known Issues

    None for this release.

    Deprecations

    None for this release.

    4.0.0 — October 2025

    Fixed Issues

    Enhancements

    Known Issues

    Deprecations

    For an overview of the latest features offered in Sync Gateway 4.0.0, see New in 4.0.

    Upgrading

    For more on upgrading — see: Upgrading

    Related Content

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    Reference
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