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Power BI Report Server September 2025 Feature Summary

PBIRS September 2025 Feature Summary

Empowering our customers to shape the future of data connectivity in Power BI and Microsoft Fabric

Discover how Microsoft is transforming data connectivity in Power BI and Microsoft Fabric with a community-driven approach. Learn how you can influence the connector roadmap, submit ideas, vote on priorities, and help shape the future of analytics.

Announcing semantic model APIs to update culture and collation

Today, we are excited to introduce new semantic model API enhancements, specifically enabling model authors to update default culture and collation settings for deployed models programmatically. You no longer need to redeploy a semantic model in the Power BI service just to update its default culture, collation, or both.

Prep Your Data for AI — Now in the Power BI Service 

Until now, preparing your data for AI was only possible in Power BI Desktop. That changes today! As of today, we are rolling out the ability for you to prepare your data for AI directly in the Power BI service. This makes it easier to keep your semantic models Copilot-ready without switching tools — and it …

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Deep dive into composite semantic models with Direct Lake and import tables

Getting your data job done just got easier with composite semantic models, mixing Direct Lake tables with import tables, now available in public preview.

Deprecation of Metric Sets in Power BI

The Metric Sets feature in Power BI will be deprecated, with a phased retirement beginning October 25th, 2025. What’s Changing and When Scorecards and all associated datasets or measures will not be impacted by this change. Recommended alternatives If you have relied on Metric Sets, here are recommended approaches to continue managing and tracking your …

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TMDL view (Generally Available)

TMDL view is now generally available in Power BI Desktop!

Power BI in Teams – Content Shared in Teams Chats Now Opens a Dedicated Separate Window Within Teams

Power BI in Teams – Content Shared in Teams Chats Now Opens a Dedicated Separate Window Within Teams

DAX UDFs: Code once, reuse everywhere (Preview)

Discover the power of DAX User Defined Functions (UDFs) in Power BI! Now in public preview, DAX UDFs let you define reusable logic with parameters—making your models cleaner, more maintainable, and easier to debug. Whether you’re building simple measures or advanced calculations like currency conversion, UDFs unlock a new level of flexibility. Learn how to get started and explore real-world examples in this post.

Deep Dive into Editing Semantic Models in the Power BI Service (Generally Available)

We are thrilled to announce that editing semantic models in the Power BI service is now generally available! This milestone unlocks end-to-end Power BI authoring directly in the browser, bringing core modeling parity between the web and Desktop experiences. Yes, that means Mac users can now model in Power BI, no Desktop required!