OpenSharing marks the next phase of the Delta Sharing initiative originally introduced in 2021, addressing enterprise demands to securely share advanced AI resources. The expanded framework adds support for formats such as Apache Iceberg and enables governed access without requiring upfront data migration. It also functions alongside open-source governance projects like Unity Catalog, ensuring users can direct operations without vendor lock-in.
Key points
Existing Delta Sharing integrations and clients remain fully compatible during the ongoin…: Existing Delta Sharing integrations and clients remain fully compatible during the ongoing transition to OpenSharing.
Organizations can manage governed sharing independently of Databricks by leveraging open-…: Organizations can manage governed sharing independently of Databricks by leveraging open-source governance tools such as Unity Catalog.
Roughly one-third of data exchanges under the original protocol flowed through open conne…: Roughly one-third of data exchanges under the original protocol flowed through open connectors spanning different platforms.
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How Delta Sharing became OpenSharing, an open, vendor-neutral protocol that extends zero-copy sharing beyond tables to agent skills, AI models, and unstructured data across platforms, and what the change means if you already share data today.
Delta Sharing has been the way thousands of organizations exchange live data across clouds and platforms without copying it. In June 2026, Databricks and the Linux Foundation announced that Delta Sharing has evolved into OpenSharing, an open, vendor-neutral protocol for sharing not just tables, but the broader set of assets that AI teams now depend on: agent skills, AI models, and unstructured data. If you already share data with Delta Sharing, or you're evaluating how to collaborate with partners on both data and AI assets, this post walks through what OpenSharing actually is, what's changed under the hood, and where the project is headed.
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