Apache Hadoop Changelog

Release 3.4.3 - 2026-02-13

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-17380 FsImageValidation: remove inaccessible nodes Major tools Tsz-wo Sze Tsz-wo Sze
HADOOP-19165 Explore dropping protobuf 2.5.0 from the distro Major build, yarn Ayush Saxena Ayush Saxena
YARN-11844 Support configuration of retry policy on GPU discovery Major gpu, nodemanager Chris Nauroth Chris Nauroth
HADOOP-19680 Update non-thirdparty Guava version to 32.0.1 Critical . Istvan Toth Istvan Toth
HADOOP-19282 S3A: STSClientFactory has hard-coded dependency on shaded HttpClient Major fs/s3 melin Dmitry Lapshin
HADOOP-19654 Upgrade AWS SDK to 2.35.4 Major build, fs/s3 Steve Loughran Steve Loughran
HADOOP-19738 Upgrade to hadoop-thirdparty 1.5.0 Major build Steve Loughran Steve Loughran
HADOOP-19708 volcano tos: disable shading when -DskipShade is set on a build Major fs/volcano Steve Loughran Steve Loughran
YARN-10972 Remove stack traces from Jetty’s response for Security Reasons Major . Tamas Domok Tamas Domok
YARN-11916 FileSystemTimelineReaderImpl vulnerable to race conditions Minor timelineserver Steve Loughran Steve Loughran

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HDFS-17528 FsImageValidation: set txid when saving a new image Major tools Tsz-wo Sze Tsz-wo Sze
MAPREDUCE-7502 TestPipeApplication silently hangs Major . Istvan Toth Istvan Toth
YARN-11875 Fix build failure caused by color@5.0.2 Major buid Shilun Fan Shilun Fan
MAPREDUCE-7448 Skipping cleanup with FileOutputCommitter V1 can corrupt output: warn and document Critical . rstest rstest
YARN-11873 Add yarn.lock for app catalog webapp Critical webapp Michael Smith
HADOOP-18944 S3A: openfile to set async drain threshold correctly Minor fs/s3 Steve Loughran Mehakmeet Singh
HADOOP-19712 S3A: Deadlock observed in IOStatistics EvaluatingStatisticsMap.entryset() Major fs, fs/s3 Steve Loughran Steve Loughran
HADOOP-19719 Upgrade to wildfly version with support for openssl 3 Major build, fs/azure, fs/s3 Steve Loughran Steve Loughran
YARN-11839 [RM HA] - In corner case, RM stay in ACTIVE with RMStateStore in FENCED state Critical resourcemanager Vinayakumar B Vinayakumar B
HDFS-17834 Fix invalid HTTP links for DataNodes in IPv6 environment. Minor . sunhui sunhui
HADOOP-19745 The build reported a license-header validation error Trivial build Senthil Kumar Steve Loughran
HADOOP-19747 switch lz4-java to at.yawk.lz4 version due to CVE Major build, common PJ Fanning PJ Fanning
HADOOP-19760 hadoop-azure JavaDoc build fails Major build Chris Nauroth Chris Nauroth
HADOOP-19755 hadoop-azure build fails Major hadoop-azure Sangjin Lee Anmol Asrani

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-19572 ABFS: [FnsOverBlob] Empty Page Issue on Subsequent ListBlob call Major fs/azure Anuj Modi Anuj Modi
HADOOP-19664 S3A Analytics-Accelerator: Move AAL to use Java sync client Major fs/s3 Ahmar Suhail Ahmar Suhail
HADOOP-19394 S3A Analytics Accelerator: vector IO support Major fs/s3 Steve Loughran
HADOOP-19212 [JDK25] UserGroupInformation use of Subject needs to move to replacement APIs Major security Alan Bateman Cheng Pan
HADOOP-19037 S3A: S3A: ITestS3AConfiguration failing with region problems Major fs/s3, test Steve Loughran
HADOOP-19593 S3A: tests against third party stores failing after latest update & conditional creation Minor fs/s3 Steve Loughran Steve Loughran
HADOOP-19743 S3A: ITestS3ACommitterMRJob MR process OOM on java17 Minor fs/s3, test Steve Loughran Steve Loughran
HADOOP-19742 S3A: AAL - Upgrade version to 1.3.1 Major fs/s3 Ahmar Suhail
HADOOP-19556 S3A Analaytics-Accelerator: ITestS3AContractOpen.testInputStreamReadNegativePosition() failing Major fs/s3 Ahmar Suhail
HADOOP-19365 S3A Analytics-Accelerator: Add audit header support Major fs/s3 Ahmar Suhail
HADOOP-19587 S3A Analytics-Accelerator: Add support SSE-C Major . Ahmar Suhail
HADOOP-19364 S3A Analytics-Accelerator: Add IoStatistics support Major fs/s3 Ahmar Suhail
HADOOP-19696 hadoop binary distribution to move cloud connectors to hadoop common/lib Major fs/azure, fs/gcs, fs/huawei, fs/s3 Steve Loughran Steve Loughran
HADOOP-19737 ABFS: Add metrics to identify improvements with read and write aggressiveness Major fs/azure Anmol Asrani Anmol Asrani
HADOOP-19658 ABFS: [FNS Over Blob] Support create and rename idempotency on FNS Blob from client side Major hadoop-azure Anmol Asrani Anmol Asrani
HADOOP-19635 ABFS: [FNS Over Blob] Marker creation fail exception should not be propagated Major hadoop-azure Anmol Asrani Anmol Asrani
HADOOP-19604 ABFS: Fix WASB ABFS compatibility issues Major . Anmol Asrani Anmol Asrani
HADOOP-19613 ABFS: [ReadAheadV2] Refactor ReadBufferManager to isolate new code with the current working code Major fs/azure Anuj Modi Anuj Modi
HADOOP-19622 ABFS: [ReadAheadV2] Implement Read Buffer Manager V2 with improved aggressiveness Major fs/azure Anuj Modi Anuj Modi
HADOOP-19710 ABFS: Read Buffer Manager V2 should not be allowed untill implemented Major fs/azure Anuj Modi Anuj Modi
HADOOP-19660 ABFS: Proposed Enhancement in WorkloadIdentityTokenProvider Major fs/azure Anuj Modi
HADOOP-19596 ABFS: [ReadAheadV2] Increase Prefetch Aggressiveness to improve sequential read performance Major fs/azure Anuj Modi Anuj Modi
HADOOP-19595 ABFS: AbfsConfiguration should store account type information (HNS or FNS) Major fs/azure Manish Bhatt Manish Bhatt
HADOOP-19181 S3A: IAMCredentialsProvider throttling results in AWS auth failures Blocker fs/s3 Steve Loughran Steve Loughran
HADOOP-19800 hadoop-aws, hadoop-azure and other cloud connectors don’t get into common/lib Blocker build Steve Loughran Chris Nauroth
HADOOP-19805 When creating a signer, if it is Configurable, set its config Trivial . Steve Loughran Steve Loughran
HADOOP-19748 S3A: ITestAssumeRole tests failing now STS returns detailed error messages Minor fs/s3, test Steve Loughran Steve Loughran

OTHER:

JIRA Summary Priority Component Reporter Contributor
HADOOP-19685 Clover breaks on double semicolon Major hadoop-aws Michael Smith Michael Smith
HADOOP-19690 Bump commons-lang3 to 3.18.0 due to CVE-2025-48924 Major common PJ Fanning PJ Fanning
HADOOP-19689 Bump netty to 4.1.127 due to CVE-2025-58057 Major common PJ Fanning PJ Fanning
HADOOP-19730 upgrade bouncycastle to 1.82 due to CVE-2025-8916 Major build, common PJ Fanning PJ Fanning
HADOOP-19764 upgrade amazon-s3-encryption-client-java to 4.0.0+ due to Invisible Salamanders (CVE-2025-14763) Major . PJ Fanning PJ Fanning