# Kubeflow SDK v0.4.0: Model Registry, SparkConnect, and Enhanced Developer Experience

DevFeed: [Kubeflow SDK v0.4.0: Model Registry, SparkConnect, and Enhanced Developer Experience](<https://devfeed.tech/articles/kubeflow-sdk-v0-4-0-model-registry-sparkconnect-and-enhanced-developer-experience-17610.md>)

Original publisher: [Read original article](<https://blog.kubeflow.org/kubeflow-sdk-0.4.0-release/>)

Author: Kubeflow SDK Team

Published: 2026-03-19T05:00:00Z

Content type: release

Language: en

Sources: [Kubeflow](<https://devfeed.tech/sources/kubeflow.md>)

Topics: [SDKs](<https://devfeed.tech/topics/sdks.md>), [MLOps](<https://devfeed.tech/topics/mlops.md>), [Apache Spark](<https://devfeed.tech/topics/spark.md>), [data-processing](<https://devfeed.tech/topics/data-processing.md>), [Hyperparameter optimization](<https://devfeed.tech/topics/hyperparameter-optimization.md>), [Machine learning](<https://devfeed.tech/topics/machine-learning.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [apache-spark](<https://devfeed.tech/tags/apache-spark.md>), [data-processing](<https://devfeed.tech/tags/data-processing.md>), [hyperparameter-optimization](<https://devfeed.tech/tags/hyperparameter-optimization.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [mlops](<https://devfeed.tech/tags/mlops.md>), [python](<https://devfeed.tech/tags/python.md>), [release](<https://devfeed.tech/tags/release.md>), [sdk](<https://devfeed.tech/tags/sdk.md>)

## AI overview

Kubeflow SDK v0.4.0 introduces a Model Registry Client, SparkClient with SparkConnect support, namespaced TrainingRuntimes, dataset and model initializers, and new documentation. The release targets a unified Python interface for AI workloads on Kubernetes across data processing, model management, and ML pipelines.

## Source excerpt

Explore the full documentation at sdk.kubeflow.org