Microsoft Fabric Updates Blog

Fabric Environment Library Management Performance Improvement

Major performance improvements are here for Fabric Environment! Environment publishing is now up to 2.5x faster, and session startup speeds have improved by up to 3x, delivering a smoother and more reliable experience for developers.

What’s Improved

  • Lightning-fast publishing for JAR and Python files – What used to take minutes now completes in under a minute, giving you near-instant turnaround for custom JAR or .py installations.
  • Faster publishing for Python packages – Publishing Python packages is now up to 2.5x faster for public and custom packages.
  • Significantly reduced Spark session startup times – Spark sessions attached to environments with Python libraries now start up to 70% faster with both live sessions and on-demand sessions, providing a more predictable and responsive experience for both interactive and production workloads.
Publishing environment

What’s Next?

New library installation mode for lightweight packages and quick iteration is around the corner. Stay tuned for even more enhancements to Environments and library management.

Next Steps

Start exploring these improvements today and experience the difference! To learn more, refer to our documentation Manage Apache Spark libraries in Microsoft Fabric.

Bài đăng blog có liên quan

Fabric Environment Library Management Performance Improvement

tháng 12 16, 2025 của Raki Rahman

Building a Petabyte-scale Data Platform with Fabric and SQL Telemetry and Intelligence Engineering team.

tháng 12 15, 2025 của Arshad Ali

Fabric Runtime provides seamless integration within the Microsoft Fabric ecosystem, delivering a powerful environment for data engineering and data science projects built on Apache Spark. Fabric Runtime 2.0 is now available in Experimental Public Preview (EPP). This next-generation runtime is purpose-built for large-scale data computations in Microsoft Fabric and introduces key features and components that … Continue reading “Fabric Runtime 2.0 (Preview)”