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Supercharge Your Data Analytics: Fabric Runtime 2.0 Experimental Public Preview Unveiled

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At the heart of Microsoft Fabric’s data processing capabilities lies Fabric Runtime. Microsoft’s Fabric Runtime 2.0 Experimental Public Preview empowers data teams to take their engineering and science projects into the future with confidence and agility. 

The newly launched version 2.0 brings a host of upgrades, giving users access to robust new technologies and features. It is designed for organizations that are ready to embrace demanding, large-scale computations while staying ahead of the analytics curve.

Major Upgrades and New Components

  • Apache Spark 4.0: Leverages the latest advancements in distributed data processing for faster, smarter analytics.

  • Delta Lake 4.0: Offers improved reliability, ACID (Atomicity, Consistency, Isolation, and Durability) transactions, and advanced data management for enterprise-grade data lakes.

  • Azure Linux 3.0 (Mariner 3.0): Ensures enhanced security, stability, and performance tuned for cloud-native workloads.

  • Modern Language Support: Updates to Java 21, Scala 2.13, and Python 3.12, giving developers access to the latest features and libraries.

These upgrades position data professionals to take advantage of cutting-edge Spark and Delta Lake features, while ensuring a smooth transition as industry standards evolve.

Flexible Testing and Seamless Switching

Flexibility is a key benefit of Runtime 2.0’s preview. Administrators can activate the new runtime on a per-workspace or environment basis, making it easy for teams to experiment without disrupting mission-critical workloads. This approach encourages innovation while providing a safeguard for existing projects.

Why Fabric Runtime 2.0 Matters

  • Scalability: Designed for high-volume, complex analytics, Runtime 2.0 equips teams to process more data, faster.

  • Early Innovation: Gain immediate access to Spark 4.0 and Delta Lake 4.0, keeping your data solutions at the forefront of technology.

  • Streamlined Upgrades: Proactive adoption of new language versions minimizes future disruptions and ensures compatibility.

  • Unified Platform: Aligns with Microsoft Fabric’s vision for a single, lake-centric SaaS analytics solution.

This release marks a step toward unified, future-ready data analytics for organizations of all sizes.

Getting Started with the Experimental Public Preview

Microsoft encourages data professionals to explore the rich documentation and participate in the Experimental Public Preview. By doing so, you not only prepare your workflows for upcoming changes but also contribute valuable feedback to shape the final release. Early adopters have the unique opportunity to influence Microsoft’s direction and ensure their analytics infrastructure is fully prepared for the future.

Takeaway

Fabric Runtime 2.0’s preview positions Microsoft Fabric as a leader in unified, scalable, and modern analytics. Its forward-thinking enhancements, flexible rollout, and early access to innovative technologies make this the perfect moment for organizations to assess how these advances can drive their data capabilities to new heights.

Explore the full documentation and start using Runtime 2.0 in Fabric today.

Source

Original content sourced from the Microsoft Fabric Blog.


Supercharge Your Data Analytics: Fabric Runtime 2.0 Experimental Public Preview Unveiled
Joshua Berkowitz December 30, 2025
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