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Couchbase Lite Release Notes

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      4.0.3 — February 2026

      Version 4.0.3 for C delivers the following features and enhancements:

      Enhancements

      Fixed Issues

      Known Issues

      None for this release

      Deprecations

      None for this release

      For an overview of the latest features offered in Couchbase Lite 4.0, see New in 4.0

      4.0.2 — December 2025

      Version 4.0.2 for C delivers the following features and enhancements:

      Enhancements

      None for this release

      Fixed Issues

      Known Issues

      None for this release

      Breaking Changes

      None for this release

      Deprecations

      None for this release

      For an overview of the latest features offered in Couchbase Lite 4.0, see New in 4.0

      4.0.0 — October 2025

      Version 4.0.0 for C delivers the following features and enhancements:

      Enhancements

      Fixed Issues

      Known Issues

      Breaking Changes

      Deprecations

      For an overview of the latest features offered in Couchbase Lite 4.0, see New in 4.0