Couchbase Lite Release Notes
4.0.4 — May 2026
Version 4.0.4 for Android delivers the following features and enhancements:
Fixed Issues
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CBL-7992 — Partial value index creation failing when using compound expressions in WHERE clause
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CBL-8162 — Crash when accessing the peer ID or neighbor peers on a stopped MultipeerReplicator
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CBL-8165 — MultipeerReplicator.getPeerInfo(PeerId) incorrectly marked as NonNull
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CBL-8172 — MultipeerReplicator not posting notifications on the specified Executor
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CBL-8246 — MultipeerReplicator not applying push/pull filters
Deprecations
None for this release
| For an overview of the latest features offered in Couchbase Lite 4.0, see New in 4.0 |
4.0.3 — February 2026
Version 4.0.3 for Android delivers the following features and enhancements:
Fixed Issues
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 Android delivers the following features and enhancements:
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 Android delivers the following features and enhancements:
Enhancements
Breaking Changes
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CBL-6596 — Vector Search Extension 2.0.0 Required for Couchbase Lite 4.0.0
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CBL-7303 — Removed Deprecated Collection Management API from ReplicatorConfiguration
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CBL-7307 — Removed Deprecated TLSIdentity’s createIdentity with isServer boolean flag
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CBL-7381 — Removed DatabaseConfiguration’s mmapEnabled property
Deprecations
No new deprecations for this release.
| For an overview of the latest features offered in Couchbase Lite 4.0, see New in 4.0 |