Couchbase Lite Release Notes
3.4.0 — June 2026
Version 3.4.0 for Android delivers the following features and enhancements:
Enhancements
-
CBL-7686 — MultipeerReplicator now supports Bluetooth Low Energy with automatic transport switching
-
CBL-7968 — Improve COUNT query performance on the default collection
-
CBL-7970 — Improve checkpoint resolution for non-numeric (compound) Sync Gateway sequences
-
CBL-8121 — Kotlin Serialization support for documents and query results
Fixed Issues
-
CBL-7610 — QueryBuilder Unicode collation used null instead of the default system locale
-
CBL-7960 — Purging a deleted document does not trigger query change listener events
-
CBL-7985 — MultipeerReplicator may crash when registering a replication task while stopping
-
CBL-8359 — WebSocket does not echo the close frame when the close is initiated by the remote
-
CBL-8363 — Crash due to buffer overrun in Encoder::snip while saving a Version Vector document
-
CBL-8475 — Use-after-free crash (EXC_BAD_ACCESS) when a replicator is torn down
-
CBL-8515 — A stalled inbound P2P TLS handshake can wedge the MultipeerReplicator
Deprecations
None for this release.
| For an overview of the latest features offered in Couchbase Lite 3.4, see New in 3.4. |