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Release Notes

    March 23, 2025
    + 12

    Description — Couchbase Lite on Java
    Abstract — This content describes the key features and changes implemented by release 2.8 of Couchbase Lite on Java
    Related Content — What’s New | Compatibility | Supported OS

    2.8.4 — March 2021

    Version 2.8.4 of Couchbase Lite for Java delivers a number of enhancements and bug fixes.

    Enhancements

    Enhancement highlights include the ability to vary the replicator heartbeat, which keeps continuous replication connections alive when idle — see: Remote Sync Gateway — Set heartbeat

    Couchbase Lite for Java will now support Apple Silicon (M1) .

    Issues and Resolutions

    Known Issues

    Fixed Issues

    2.8.3 — December 2020

    Version 2.8.3 of Couchbase Lite for Java supersedes version 2.8.0 and 2.8.1 released earlier this year. If you have already upgraded to 2.8.0/2.8.1 we strongly recommend that you upgrade to version 2.8.3 at the earliest opportunity.

    Couchbase Lite for Java 2.8.3 addresses a backward-compatibility issue (CBL-1406).

    Issues and Resolutions

    Known Issues

    • CBL-370 — API: Kotlin unable to import ReplicatorType

    • CBL-216 — Ordering null values inconsistent with N1QL expectations

    • CBL-95 — Pending conflicts could be resolved by a wrong replicator

    • CBL-49 — Need a way to distinguish boolean types

    Fixed Issues

    • CBL-1406 — Couchbase Lite 2.8 apps require you specify the database path explicitly when connecting to pre-2.8 databases (config.setDirectory()) — see: Open database

    2.8.0 — October 2020

    Quick Links: New Features | Improvements | Issues and Resolutions | Support Notices | Related Content

    New Features

    Peer-to-Peer Synchronization

    Using Couchbase Lite’s Peer-to-Peer Synchronization solution, you can build offline-first applications on edge devices that directly collaborate in secure bi-directional database synchronization without depending on centralized cloud-based control.

    The solution provides an out-of-the-box implementation of a websocket based listener for use in peer-to-peer applications communicating over in IP-based networks.

    Read More . . . Landing P2Psync

    Improvements

    Feature Changes

    None specified in this release

    Other Enhancements

    • CBL-1358 — Deprecate LogDomain.ALL in favor of LogDomain.ALL_DOMAINS

    • CBL-1357 — Deprecate Database.compact() in favor of Database.performMaintenance(MaintenanceType.COMPACT)

    • CBL-1356 — Add constructor BasicAuthenticator(String, char-2-8-0[]) and deprecate

    • CBL-989 — Add Maintenance API.

    • CBL-954 — Return 403 for forbidden listener requests

    • CBL-940 — Implement Replicator.start(reset) and deprecate resetCheckpoint()

    • CBL-891 — API: Overload AbstractReplicator.start to take resetCheckpoint argument

    • CBL-773 — Implement new Close and Delete Database (Java)

    • CBL-394 — Platform WebSocket code should manage HTTP cookies - Android

    • CBL-164 — CouchbaseLite.getExecutionService() should not be public API

    API Changes

    The API has been enhanced with the following changes:

    • The Database.close() method now automatically handles stopping open replicators, closing peer-to-peer websocket listener and removing observers for live queries.

    • The Database.delete() method now automatically handles stopping open replicators, closing peer-to-peer websocket listener and removing observers for live queries.

    • The Replicator.isDocumentPending method checks whether or not the document with the given ID has any pending revisions to push

    • The Replicator.getPendingDocumentIds() method gets the Ids of all documents currently pending push

    • Meta.revisionID property is now available as a metadata property, which can be accessed directly in queries

    Issues and Resolutions

    Known Issues

    • CBL-1406 — Couchbase Lite 2.8 apps require you specify the database path explicitly when connecting to pre-2.8 databases (config.setDirectory()) — see: Open database

    • CBL-637 — Java Console app doesn’t exit

    • CBL-370 — API: Kotlin unable to import ReplicatorType

    • CBL-216 — Ordering null values inconsistent with N1QL expectations

    • CBL-95 — Pending conflicts could be resolved by a wrong replicator

    • CBL-49 — Need a way to distinguish boolean types

    Fixed Issues

    • CBL-1141 — Android cannot use unlinked files

    • CBL-1107 — Properties beginning with dollar sign not handled correctly

    • CBL-1045 — Data race in log rollover

    • CBL-978 — Math errors with float → int implicit fleece conversion

    • CBL-977 — Full text search with Left Outer Join causes fields to be null

    • CBL-859 — ChangeEncryptionKey() and save document after creating a brand new Database throws CouchbaseLiteException (SQLiteDomain / 21): bad parameter or other API misuse.

    • CBL-791 — Make resetCheckpoint an argument to Replicator.start

    • CBL-789 — Crash when accessing connection→name()

    • CBL-707 — Compaction is ineffective (auto_vacuum not enabled)

    • CBL-623 — Revision flags get cleared while saving resolved document in Java

    • CBL-614 — Closing a read only database causes errors

    • CBL-609 — Fleece thinks a boolean is a Long

    • CBL-594 — Local to Local replication duplicates remote ID

    • CBL-590 — Investigate handling of BLIP 500 errors

    • CBL-578 — Receive rev#1 after rev#2 is saved to DB

    • CBL-565 — Crashes apparently caused by attempting to log after failure

    • CBL-564 — Property alias not working under certain cases

    • CBL-530 — Certain keys in a query can cause segmentation faults

    • CBL-529 — Cannot create an offset query without limit

    • CBL-496 — Should not attempt to open the default tmp directory in DBConfig constructor

    • CBL-358 — xsockets doesn’t account for POSIX variations

    Support Notices

    This section documents any support-related notes, constraints and changes

    Deprecation Notices

    Items (features and-or functionality) are marked as deprecated when a more current, and usually enhanced, alternative is available.

    Whilst the deprecated item will remain usable, it is no longer supported, and will be removed in a future release. You should plan to move to an alternative, supported, solution as soon as practical.

    This Release

    • CBL-1358 — Deprecate LogDomain.ALL in favor of LogDomain.ALL_DOMAINS

    • CBL-1357 — Deprecate Database.compact() in favor of Database.performMaintenance(MaintenanceType.COMPACT)

    • CBL-1356 — BasicAuthenticator(String username, String password) is deprecated — use BasicAuthenticator(String username, char-2-8-0[] password)

    • CBL-1350 — The Replicator.resetCheckpoint() API is deprecated — instead, use Replicator.start(reset), where reset is a boolean value

    • CBL-1011 — Remove deprecated Replicator.resetCheckpoint()

    • CBL-982 — Support for CentOS 6 is deprecated in version 2.8.

    • CBL-791 — Make resetCheckpoint an argument to Replicator.start. Replicator.start() API is deprecated — instead, use Replicator.start(reset), where reset is a boolean value

    • The Database.compact() method is deprecated at 2.8 — instead use Database.performMaintenance().

    Ongoing

    None specified

    Other Notices

    New

    Apple macOS 10.15 (Catalina) is supported
    Apple macOS 10.14 (Mojave) is supported

    Ongoing

    None specified

    Related Content

    Product Notes
    Starting Points
    Tutorials