Apache Helix 2.0.0

What's Changed

• Use actions/upload-artifact@v4, v2 was deprecated by @GrantPSpencer in #2911
• Fix new resource causing pipeline NPE when rebalance overwrites required by @GrantPSpencer in #2914
• Pin netty_codec to higher version to address vulnerability by @zpinto in #2924
• Bump express from 4.19.2 to 4.20.0 in /helix-front by @dependabot[bot] in #2917
• Support aggregated endpoint for customized stoppable check by @MarkGaox in #2919
• Fix flaky test - testMultipleWrites by @GrantPSpencer in #2926
• Fix flaky test - testExists in TestZookeeperAccessor by @GrantPSpencer in #2931
• Bump commons-io:commons-io from 2.11.0 to 2.14.0 in /helix-core by @dependabot[bot] in #2935
• Bump commons-io:commons-io from 2.11.0 to 2.14.0 in /meta-client by @dependabot[bot] in #2936
• Add test for topology migration by resource group by @zpinto in #2933
• Fix BestPossibleExternalViewVerifier for WAGED resource by @MarkGaox in #2939
• Bump org.eclipse.jetty:jetty-server from 9.4.51.v20230217 to 9.4.55.v20240627 by @dependabot[bot] in #2947
• Bump http-proxy-middleware from 2.0.6 to 2.0.7 in /helix-front by @dependabot[bot] in #2952
• Fix helix-rest memory leak by @MarkGaox in #2960
• Bump cross-spawn from 7.0.3 to 7.0.6 in /helix-front by @dependabot[bot] in #2966
• Fix BestPossibleVerifier attempting to verify all WAGED resources by @MarkGaox in #2955
• Bump commons-io:commons-io from 2.11.0 to 2.14.0 in /zookeeper-api by @dependabot[bot] in #2948
• Fix is Instance enabled by @xyuanlu in #2972
• Change tagged job assignment behavior by @junkaixue in #2976
• Add InstanceConfig Deserialize test by @xyuanlu in #2979
• Bump nanoid from 3.3.4 to 3.3.8 in /helix-front by @dependabot[bot] in #2980
• Support Stoppable Check for Non-Topology-Aware Clusters by @MarkGaox in #2961
• Add jdk8 support for helix-lock module by @zpinto in #2988
• Revert "[apache/helix] -- Issue during onboarding resources without instances" by @junkaixue in #2995
• Bump com.thoughtworks.xstream:xstream from 1.4.20 to 1.4.21 in /helix-admin-webapp by @dependabot[bot] in #2981
• Bump commons-io:commons-io from 2.11.0 to 2.14.0 in /metadata-store-directory-common by @dependabot[bot] in #2989
• Bump com.thoughtworks.xstream:xstream from 1.4.19 to 1.4.21 in /helix-rest by @dependabot[bot] in #2996
• Fix NPE in IntermedaiteStateCalcStage by @GrantPSpencer in #2974
• Fixing the flaky topology migration check and ConstrainBasedAlgorith replicaHash computation by @zpinto in #2998
• Support preserving history of HELIX_ENABLED legacy fields when combo of instance operation and old helix version are used by @zpinto in #2987
• Exclude Custom Checks When Instance Is Not Alive by @MarkGaox in #2993
• Align thread name when helix task executor are recreated. by @xyuanlu in #2999
• Bump store2 from 2.14.2 to 2.14.4 in /helix-front by @dependabot[bot] in #3000
• Add atomic recursive delete to ZK client and use for drop instance by @GrantPSpencer in #2994
• Fix endless creation of best possible nodes by @GrantPSpencer in #2970
• Fix waged instance capacity npe on new resource by @GrantPSpencer in #2969
• Support zone based virtual topology assignment algorithm by @MarkGaox in #2986
• Add auto deregistration of offline participants after timeout by @GrantPSpencer in #2932
• Change customized stoppable check log level by @MarkGaox in #3004
• Fix Flaky Test - testGCScheduler in TestZkBucketDataAcessor by @GrantPSpencer in #3003
• Reduce volume of "disabling hard constraint level logging" log statement by @GrantPSpencer in #3002
• Clear removed instances from the cached offline time map by @GrantPSpencer in #3012
• Improve setInstanceOperation performance by @zpinto in #3017
• Bump http-proxy-middleware from 2.0.7 to 2.0.9 in /helix-front by @dependabot[bot] in #3027
• Stoppable API skips min_active replica check if instance replica already in unhealthy state by @GrantPSpencer in #3019
• Fix dropping error state partition for customized resource by @xyuanlu in #3024
• Add cluster config update validation by @MarkGaox in #3026
• Improve performance for ConstraintBasedAlgorithm by @xyuanlu in #3032
• Fix virtual topology string computation by @MarkGaox in #3031
• Bump org.eclipse.jetty:jetty-server from 9.4.55.v20240627 to 9.4.56.v20240826 by @dependabot[bot] in #3039
• Performance improvement for IsEvacuateFinished by @xyuanlu in #3037
• Only build property key path on construction by @GrantPSpencer in #3040
• Bump com.fasterxml.jackson.core:jackson-core from 2.12.7 to 2.13.0 in /helix-admin-webapp by @dependabot[bot] in #3046
• Bump com.fasterxml.jackson.core:jackson-core from 2.12.7 to 2.13.0 in /helix-view-aggregator by @dependabot[bot] in #3047
• [Message Prioritization] - Add currentReplicaNumber metadata for message prioritization by @csudharsanan in #3043
• Make virtual group assignment for FaultZoneBasedVirtualGroupAssignmentAlgorithm deterministic by @nisargthakkar in #3056
• Fix a race condition in metaclient leader election by @xyuanlu in #3058
• Prevent controller from dropping replicas when best possible fails to calculate assignment by @GrantPSpencer in #3034
• Make retry timeout configurable for ZK calls via system property by @krishan1390 in #3067
• Add default get value for task partition map to prevent NPE by @GrantPSpencer in #3078
• Bump @angular/common from 13.3.9 to 19.2.16 in /helix-front by @dependabot[bot] in #3083
• Bump node-forge from 1.3.1 to 1.3.2 in /helix-front by @dependabot[bot] in #3082
• Bump io.netty:netty-codec from 4.1.68.Final to 4.1.125.Final by @dependabot[bot] in #3068
• Changed all XML schema locations from http to htpps for security reas… by @TheRealHaui in #3080
• Bump org.apache.commons:commons-lang3 from 3.8.1 to 3.18.0 in /metadata-store-directory-common by @dependabot[bot] in #3086
• Bump org.apache.commons:commons-lang3 from 3.8.1 to 3.18.0 in /helix-rest by @dependabot[bot] in #3053
• Bump min-document from 2.19.0 to 2.19.2 in /helix-front by @dependabot[bot] in #3088
• Bump com.fasterxml.jackson.core:jackson-core from 2.13.0 to 2.15.0 in /helix-admin-webapp by @dependabot[bot] in #3087
• Bump com.fasterxml.jackson.core:jackson-core from 2.12.7 to 2.15.0 in /helix-core by @dependabot[bot] in #3051
• Helix gateway service for Helix 2.0 by @junkaixue in #3089
• Bump io.grpc:grpc-netty-shaded from 1.59.1 to 1.75.0 in /helix-gateway by @dependabot[bot] in #3090
• Upgrade org.apache.logging.log4j:log4j-core to 2.25.3 to fix CVE-2025-68161 by @nishithakbhaskaran in #3094
• Bump org.apache.logging.log4j:log4j-core from 2.17.1 to 2.25.3 in /helix-view-aggregator by @dependabot[bot] in #3092
• Bump webpack from 5.94.0 to 5.104.1 in /helix-front by @dependabot[bot] in #3099
• Bump lodash from 4.17.21 to 4.17.23 in /helix-front by @dependabot[bot] in #3097
• Helix fails to connect with Kerberos enabled ZK by @arshadmohammad in #3102
• Bump immutable from 4.1.0 to 4.3.8 in /helix-front by @dependabot[bot] in #3107
• Bump com.fasterxml.jackson.core:jackson-core from 2.15.0 to 2.18.6 in /helix-core by @dependabot[bot] in #3105
• Bump com.fasterxml.jackson.core:jackson-core from 2.13.0 to 2.18.6 in /helix-view-aggregator by @dependabot[bot] in #3104
• Fix global lock contention in DistClusterControllerStateModel caused by Optional.empty() singleton by @LZD-PratyushBhatt in #3052
• Bump flatted from 3.2.7 to 3.4.2 in /helix-front by @dependabot[bot] in #3113
• Bump picomatch from 2.3.1 to 2.3.2 in /helix-front by @dependabot[bot] in #3114
• Bump org.codehaus.plexus:plexus-utils from 3.0.24 to 4.0.3 in /helix-front by @dependabot[bot] in #3116
• Bump node-forge from 1.3.2 to 1.4.0 in /helix-front by @dependabot[bot] in #3117
• Bump handlebars from 4.7.7 to 4.7.9 in /helix-front by @dependabot[bot] in #3115
• Bump junit:junit from 4.11 to 4.13.1 by @dependabot[bot] in #3120
• Bump org.apache.logging.log4j:log4j-core from 2.25.3 to 2.25.4 in /helix-core by @dependabot[bot] in #3125
• Bump org.apache.logging.log4j:log4j-core from 2.25.3 to 2.25.4 by @dependabot[bot] in #3126
• Bump io.netty:netty-codec from 4.1.125.Final to 4.1.133.Final by @dependabot[bot] in #3140
• [INFRA] Set up default rulesets for default and release branches by @asf-gitbox-commits in #3141

New Contributors

• @nisargthakkar made their first contribution in #3056
• @krishan1390 made their first contribution in #3067
• @TheRealHaui made their first contribution in #3080
• @nishithakbhaskaran made their first contribution in #3094
• @LZD-PratyushBhatt made their first contribution in #3052
• @asf-gitbox-commits made their first contribution in #3141

Full Changelog: helix-1.4.1...helix-2.0.0