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Releases · mongodb/mongo-java-driver · GitHub
Releases: mongodb/mongo-java-driver
Releases · mongodb/mongo-java-driver
Java Driver 5.5.1 (June 06, 2025) What's Changed
- Fixed an issue where OIDC reauthentication failed when sessions were involved (#1725).
- Ensured custom
KProperty
implementations correctly include property names in their hashcode calculations (#1731).
- Resolved failures in datalake and Kubernetes integration tests (#1732).
- Updated to use
OperationContext
with a NOOP session for improved consistency (#1734).
Full Changelog: r5.5.0...r5.5.1
Verifying artifact signatures
Please refer to https://www.mongodb.com/docs/drivers/java/sync/v5.5/security/validate-signatures/ for the full procedure.
To download and import the public key for verifying signatures, execute
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1a75005e142192223d6a7c3b76e0008d166740a8
Java Driver 5.5.0 (May 07, 2025) What's Changed 🚀 New Features and Improvements
-
Credential Handling:
- Added option to configure Data Encryption Key (DEK) cache lifetime (#1689).
-
Performance Optimizations:
- Enhanced BSON codec lookup (#1632).
- Optimized BSON decoding (#1667).
- Reduced temporary buffer allocations during BSON serialization (#1628).
- Optimized numeric value writing (#1635).
- Improved String write and length computations (#1651, #1685).
- Enhanced buffer handling to avoid direct list access (#1675).
- Replaced
Stack
with ArrayDeque
for better performance (#1681).
-
Resource Management:
- Fixed Netty event loop resource leak on
MongoClient
close (#1646).
- Added connection timeout to TLS Channel (#1686).
-
Compatibility and Maintenance:
- Dropped support for MongoDB 4.0 (#1663).
- Updated AWS SDK dependencies to the latest versions (#1639).
- Replaced
org.jetbrains.annotations.NotNull
with com.mongodb.lang.NonNull
(#1644).
-
Benchmarks and Testing:
- Introduced Netty benchmark suite (#1647).
- Added benchmarks for BulkWrite operations (#1657).
- Began running benchmarks against MongoDB 8.0 (#1660).
-
Bug Fixes and Stability:
- Made
ReadConcernMajorityNotAvailableYet
retryable (#1601).
- Ensured
findOne
does not unnecessarily set batchSize=1
(#1659).
- Fixed unnecessary
killCursors
command when batchSize
equals limit
(#1656).
-
Documentation and Quality of Life:
- Improved documentation around the
toCollection
API (#1677).
- Updated specification links and submodule management (#1662, #1670).
- Added Dependabot support for Git submodules (#1691).
-
Kotlin Improvements:
- Configurable BSON naming strategy to support snake_case (#1627).
- Add Kotlin Extensions to BOM #1668
- JAVA-5776 Make KProperty.path() public (#1617)
🧪 Test Enhancements
- Added IPv6 literal testing in SDAM (#1648).
- Introduced additional regression and CRUD operation tests (#1692, #1687).
- Improved testing strategy for flaky unified tests (#1565).
🛠️ Infrastructure Improvements
- Modernized Gradle build processes and ensured Maven artifacts are properly signed (#1654, #1709).
- Improved performance test configuration and resource allocation (#1676).
Other Changes
- Split atlas-deployed-task-group across multiple hosts (#1640)
- Fix driver-lambda evg failure (#1643)
- Test Load balancers (#1649)
- Adjust maxAwaitTimeMS by remaining timeout. (#1650)
- Deprecate read preference hedge options (#1655)
- Fix
scalac
warning (#1666)
- Record both FaaS and container metadata when both are present (#1661)
- Add String cache for BsonArray indexes. (#1664)
- Optimize BsonArray Index encoding (#1673)
- Fix ByteBufferBsonOutput buffer caching logic. (#1683)
- Fix the cold
Publisher
link in the API documentation (#1678)
- Ignore collectionUUID field if present in change stream tests (#1684)
- Updated the bom validation to ensure it runs. (#1671)
- Specifications. (#1690)
- Reenable clientside-operations-timeout apply maxAwaitTimeMS if less than remaining timeout test (#1693)
- Update ClientEncryptionCustomEndpointTest (#1694)
- Skip test for latest (#1700)
- Added extra test to ignore for reactive streams (#1699)
- Add non compliance skip for Atlas Data Lake getMore test (#1701)
- Enable test of nsType with a collection view (#1702)
- Fix static check warnings. (#1696)
- Add missing Javadoc. (#1697)
- DEVPROD-16438 - migrate perf.send to cedar_report endpoint (#1679)
- Fix validation in release.yml (#1706)
👏 New Contributors
Welcome and thank you to our new contributors:
We appreciate all contributions to the MongoDB Java Driver—thank you!
Full Changelog:(r5.4.0-alpha0...r5.5.0)
Verifying artifact signatures
Please refer to https://www.mongodb.com/docs/drivers/java/sync/v5.4/security/validate-signatures/ for the full procedure.
To download and import the public key for verifying signatures, execute
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1a75005e142192223d6a7c3b76e0008d166740a8
Java Driver 5.4.0 (March 20, 2025) What's Changed 🚀 New Features & Enhancements
- JAVA-5767 Support $lookup in CSFLE and QE #1638
- Improved selection criteria for
srvMaxHosts
. #1590
- Add index hint support for distinct command #1581
Atlas Search Improvements
- Added multiple new Atlas Search operators:
phrase
, regex
, queryString
, wildcard
, moreLikeThis
, equals
, and in
. #1586, #1587, #1588, #1596, #1609, #1606, #1605
Bulk Write and Update Enhancements
- Improved Bulk Write API and added sort option support to
updateOne
and replaceOne
. #1509, #1585, #1612
- Added Scala Client Bulk Write API. #1603
Driver and Codec Optimizations
- Optimized BSON codec lookup. #1632
- Optimized ObjectID sorting and serialization/deserialization. #1582
Client and Connection Handling
- Updated cursors to refresh
timeoutMS
on close
without affecting operation timeout. #1527
- Added
AsyncTransportSettings
and ExecutorService
. #1489
- Ensured connections are not closed prematurely when
timeoutMS
expires before sending requests. #1573
- Removed explicit fairness from
DefaultConnectionPool
. #1575
Cloud and Security Improvements
- Added OIDC Kubernetes provider support. #1576
- Updated AWS SDK dependencies. #1639
Kotlin Updates
- Merging feature branch (Kotlin extensions) into main #1572
- JAVA-5776 Make KProperty.path() public #1617
- JAVA-5736 Add bsonNamingStrategy option to support snake_case #1627
🛠 Maintenance and Improvements
- Renamed
Vector
class names and marked PackedBitVector
as Beta. #1595, #1594
- Improved handling and initialization of
CAPI
and jna.Native
. #1553
- Updated Gradle scripts and build configurations. #1620, #1624, #1607, #1569
- Replaced JetBrains annotations with MongoDB annotations. #1644
- Stop using the
kotlinCheck
Gradle task from ssdlc-report.sh
#1574
Testing and CI Improvements
- Clarified and cleaned up internal testing APIs (
TestDef
). #1566, #1578
- Enhanced unified test skipping and handling logic. #1557, #1551, #1584
- Added integration tests for Atlas Search and Load Balancers. #1616, #1649
- Improved test cleanup and retry logic to reduce flakiness. #1608, #1565
Specification Syncing and Updates
- Synced BSON and server selection specification tests. #1555, #1554
- Synced
non-lb-connection-establishment
. #1634
🐞 Bug & Test Fixes
- Stop ignoring id parameter #1622
- Fixed static checker warnings and deprecation warnings. #1564, #1613, #1633
- Resolved unintended sync test skipping. #1600
- Fixed module naming for Kotlin extensions. #1602
- Fixed integration test issues for Regex and Wildcard operators. #1611
- Update
pool-checkout-returned-connection-maxConnecting.json
to work with different pool implementations #1563
- Add flaky annotation to flaky tests #1558
- Remove deprecated field from GridFS unified tests #1577
- Fix driver-lambda evg failure #1643
- Test IPv6 literal in SDAM #1648
- Split atlas-deployed-task-group across multiple hosts #1640
- Change branch name to main in SSDLC script. #1552
- Add
@SuppressWarnings("try")
to CommandBatchCursorTest
, AsyncCommandBatchCursorTest
#1567
- JAVA-5781 Add env var override #1623
- Evergreen: Update to use stop-orchestration.sh #1621
🌟 Community Contributions
New Contributors:
We appreciate all contributions to the MongoDB Java Driver—thank you!
Full Changelog: r5.3.1...r5.4.0
Verifying artifact signatures
Please refer to https://www.mongodb.com/docs/drivers/java/sync/v5.3/validate-signatures/ for the full procedure.
To download and import the public key for verifying signatures, execute
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1a75005e142192223d6a7c3b76e0008d166740a8
Java Driver 5.4.0-alpha0 (February 27, 2025) Java Driver 5.3.1 (January 23, 2025) Java Driver 5.3.0 (January 10, 2025)
Important
A future minor release will raise the minimum supported MongoDB Server version from 4.0 to 4.2. This is in accordance with MongoDB Software Lifecycle Schedules. Support for MongoDB Server 4.0 will be dropped in a future release!
What's Changed
- Make
CAPI
, jna.Native
/Structure
initializable at run time by @stIncMale in #1553
- Clean up unified tests via skipping API by @katcharov in #1551
- Sync BSON specification tests by @jyemin in #1555
- Sync server selection specification tests by @jyemin in #1554
- Update
pool-checkout-returned-connection-maxConnecting.json
to work with different pool implementations by @stIncMale in #1563
- Fix static checker warnings in
AggregatesSpecification.groovy
by @stIncMale in #1564
- Change branch name to main in SSDLC script. by @vbabanin in #1552
- Add flaky annotation to flaky tests by @katcharov in #1558
- Move most skips to single file, expand API to handle conditions by @katcharov in #1557
- Update cursors to refresh
timeoutMS
on close
without affecting the timeout of the operation by @stIncMale in #1527
- Add AsyncTransportSettings, ExecutorService by @katcharov in #1489
- Add
@SuppressWarnings("try")
to CommandBatchCursorTest
, AsyncCommandBatchCursorTest
by @stIncMale in #1567
- Clean up TestDef API, clarify naming by @katcharov in #1566
- Merging feature branch (Kotlin extensions) into main by @nhachicha in #1572
- Stop using the
kotlinCheck
Gradle task from ssdlc-report.sh
by @stIncMale in #1574
- Remove explicit fairness from
DefaultConnectionPool
by @stIncMale in #1575
- Make sure
TestDef
is created and used only when there is enough data to do that by @stIncMale in #1578
- Connections must not be closed when timeoutMS expires before sending a request by @stIncMale in #1573
- Remove deprecated field from GridFS unified tests by @joykim1005 in #1577
- Add index hint support for distinct command by @joykim1005 in #1581
- Provide the reason for the test skips. by @vbabanin in #1584
- Rename Vector class names. by @vbabanin in #1595
- Allow updateOne and replaceOne to supply sort option by @joykim1005 in #1585
- Mark PackedBitVector as Beta, aligning with binary quantization preview by @vbabanin in #1594
- Improved Bulk Write API by @stIncMale in #1509
- Resolve unintended sync test skipping. by @vbabanin in #1600
New Contributors
Full Changelog: r5.3.0-beta0...r5.3.0
Verifying artifact signatures
Please refer to https://www.mongodb.com/docs/drivers/java/sync/v5.3/validate-signatures/ for the full procedure.
To download and import the public key for verifying signatures, execute
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1a75005e142192223d6a7c3b76e0008d166740a8
Java Driver 5.2.1 (November 06, 2024) Java Driver 4.11.5 (November 06, 2024) Java Driver 5.3.0-beta0 (October 31, 2024) Java Driver v5.2.0 (September 24, 2024) What's Changed
Full Changelog: r5.1.0...r5.2.0
New Features
Improvements
- Enhance KotlinSerializer with value codecs for widening primitive conversion. by @vbabanin in #1301
- Extend Socks5 Top-Level Domain regex validation to support up to 63 characters by @vbabanin in #1427
- Performance improvements for GridFS by @vbabanin in #1402
- Direct retries to another mongos if one is available by @stIncMale in #1367
- Improve
SecureRandom
usage in ObjectId
by @stIncMale in #1394
- Augment
config/spotbugs/exclude.xml
with finding status and rank by @stIncMale in #1392
- Create and upload
ssdlc_compliance_report.md
by @stIncMale in #1405
- Disallow comma character in authMechanismProperties by @katcharov in #1408
- Forward slash in connection string is optional by @jyemin in #1420 and #1421
- Add GitHub Actions based release automation by @alcaeus in #1400 and #1437 and #1425
- Use Java Cryptographic Architecture provider for implementation of PBKDF2 by @jyemin in #1448
- Update Kotlin metadata to include Kotlin language version by @rozza in #1461
- Added Bson-Kotlin Array Codec by @rozza in #1457
- Added kotlinx.json JsonElement serialization support by @rozza in #1459
Bug Fixes
- Revert making BsonEncoder / BsonDecoder internal by @rozza in #1510
- Remove host and port from IllegalArgumentException thrown by malformed connection string by @rozza in #1467
- Allow generic base classes for POJOs by @jyemin in #1423
- Fix to identify and match type arguments, including optional generic types in DataClassCodec#getCodec by @ht-jo in #1339
- Fix OSGi
:mongodb-crypt
manifest entries by @stIncMale in #1506
- Fix
scaladoc
warnings by @stIncMale in #1507
- Fix
:mongodb-crypt
GraalVM metadata by @stIncMale in #1508
- Fix release workflow by @alcaeus in #1422
- Fix encoding nullable generics by @cliffred in #1317
- Fix
CursorResourceManager.close
by @stIncMale in #1440
- Fix bson-kotlinx
encodeNullableSerializableValue
null handling by @rozza in #1453
- Ensure Sink.contextView is propagated by @rozza in #1450
- Ensure exception propagation in async try-catch block. by @vbabanin in #1466
- MixedBulkWriteOperation should generate inserted document IDs at most once per batch by @stIncMale in #1482
- Fix exception propagation in Async API methods by @vbabanin in #1479
Other Notable Changes and Upgrades
New Contributors
Verifying artifact signatures
Please refer to https://www.mongodb.com/docs/drivers/java/sync/v5.2/validate-signatures/ for the full procedure.
To download and import the public key for verifying signatures, execute
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 1a75005e142192223d6a7c3b76e0008d166740a8
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