Microsoft Fabric Blog shares new features in the Fabric Extensibility Toolkit, guiding partners through the publishing and validation of workloads for the Fabric platform.

Microsoft Fabric Extensibility Toolkit: Updates for Efficient Workload Publishing

The Microsoft Fabric team has announced pivotal updates to the Fabric Extensibility Toolkit (FET), presenting partners and organizations with improved pathways to deliver innovative workloads for the Fabric platform.

Key Highlights

Partner Workloads Now in the Workload Hub:
- Partners can now use the Fabric Extensibility Toolkit to publish workloads directly to the Fabric Workload Hub.
- Customers gain streamlined discovery, installation, and usage, matching the experience of native Fabric workloads.
- Unified integration supports a consistent and cohesive Fabric ecosystem.
Validation Documentation for Partners:
- Extensive guidelines provide a checklist of test cases and validation criteria for preparing workloads.
- Includes links to supplementary resources, best practices, styling components advice, and an attestation template for transparency.
- Ensures reliability, quality, and a native user experience for partner solutions.
Validation Tool for Workload Testing (Preview):
- A dedicated tool allows partners to test workloads against all formal validation criteria.
- Repository available for cloning: Github Validator Repo
- Streamlines the publishing process and strengthens customer confidence.
- Ensures consistency by aligning documentation with actual validation frameworks used in the Toolkit.

Getting Started

Refer to the official announcement: Fabric Extensibility Toolkit–Workload Publishing
Review the validation documentation: Publishing Criteria
Explore the validator tool: Github Validator Repo
Learn how to publish workloads: Publishing How-To

Why These Updates Matter

By aligning publishing and validation processes, Microsoft Fabric fosters an environment of reliable, standards-driven innovation. Partners now benefit from a transparent workflow that clarifies requirements, reduces publishing friction, and encourages high-quality workloads built for analytics and data engineering scenarios.

Next Steps

Partners are encouraged to:

Explore the new documentation and validation tools
Sign up for the private preview of the Validation Tool
Leverage provided resources to ensure workloads meet Fabric’s criteria
Accelerate publishing cycles while increasing workload quality and user trust

Visual Reference

Fabric Extensibility Toolkit: Hello World Sample

For further reading and updates, visit Microsoft Fabric Blog.

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