Release
26.3 Current
Shipped 2026-03-16.
Install
Install this release into your current cluster.
# Install SDP release 26.3
$stackablectl release install 26.3
$stackablectl release install 26.3
Platform support
Run SDP 26.3 on Kubernetes or OpenShift.
k8s Kubernetes
1.31 - 1.35
OS OpenShift
4.18 - 4.21
Pick one platform. Versions outside these ranges may work but aren't tested.
Component versions
15 products bundled in this release.
| Component | Versions |
|---|---|
| Apache Airflow | 3.0.6 LTS3.1.6 2.9.3 Deprecated |
| Apache Druid | 30.0.1 LTS35.0.1 34.0.0 Deprecated |
| Apache Hadoop HDFS | 3.4.2 LTS |
| Apache HBase | 2.6.4 LTS2.6.3 Deprecated |
| Apache Hive | 4.0.1 LTS4.2.0 4.1.0 Deprecated4.0.0 Deprecated3.1.3 Deprecated |
| Apache Kafka | 3.9.1 LTS4.1.1 Experimental |
| Apache NiFi | 2.6.0 LTS2.7.2 1.28.1 Deprecated |
| Apache Omid | 1.1.3 |
| Apache Phoenix | 5.3.0 5.2.1 Deprecated |
| Apache Spark | 3.5.8 LTS4.1.2 4.1.1 4.0.1 Deprecated3.5.7 Deprecated |
| Apache Superset | 4.1.4 LTS6.0.0 |
| Apache ZooKeeper | 3.9.4 LTS |
| Open Policy Agent | 1.12.3 1.8.0 Deprecated |
| OpenSearch | 3.1.0 LTS3.4.0 |
| Trino | 477 LTS479 |
Custom resources
Kubernetes custom resource definitions available in SDP 26.3.
| Kind | API Group | API Versions | Roles |
|---|---|---|---|
| AirflowCluster | airflow.stackable.tech | v1alpha2v1alpha1 | 5 |
| AuthenticationClass | authentication.stackable.tech | v1alpha1 | 0 |
| DruidCluster | druid.stackable.tech | v1alpha1 | 5 |
| DruidConnection | superset.stackable.tech | v1alpha1 | 0 |
| HbaseCluster | hbase.stackable.tech | v1alpha1 | 3 |
| HdfsCluster | hdfs.stackable.tech | v1alpha1 | 3 |
| HiveCluster | hive.stackable.tech | v1alpha1 | 1 |
| KafkaCluster | kafka.stackable.tech | v1alpha1 | 2 |
| Listener | listeners.stackable.tech | v1alpha1 | 0 |
| ListenerClass | listeners.stackable.tech | v1alpha1 | 0 |
| NifiCluster | nifi.stackable.tech | v1alpha1 | 1 |
| OpaCluster | opa.stackable.tech | v1alpha2v1alpha1 | 1 |
| OpenSearchCluster | opensearch.stackable.tech | v1alpha1 | 1 |
| PodListeners | listeners.stackable.tech | v1alpha1 | 0 |
| S3Bucket | s3.stackable.tech | v1alpha1 | 0 |
| S3Connection | s3.stackable.tech | v1alpha1 | 0 |
| SecretClass | secrets.stackable.tech | v1alpha2v1alpha1 | 0 |
| SparkApplication | spark.stackable.tech | v1alpha1 | 0 |
| SparkApplicationTemplate | spark.stackable.tech | v1alpha1 | 0 |
| SparkConnectServer | spark.stackable.tech | v1alpha1 | 0 |
| SparkHistoryServer | spark.stackable.tech | v1alpha1 | 1 |
| SupersetCluster | superset.stackable.tech | v1alpha1 | 1 |
| TrinoCatalog | trino.stackable.tech | v1alpha1 | 0 |
| TrinoCluster | trino.stackable.tech | v1alpha1 | 2 |
| TrustStore | secrets.stackable.tech | v1alpha1 | 0 |
| ZookeeperCluster | zookeeper.stackable.tech | v1alpha1 | 1 |
| ZookeeperZnode | zookeeper.stackable.tech | v1alpha1 | 0 |