In this writing, I want to share what I learned while exploring the Prep Data for AI  feature in Power BI Desktop — and why it matters far more for DevOps workflows than I initially expected. Microsoft recently announced the deprecation of Power BI Q&A by December 2026 , directing users toward Copilot as the replacement. The reasoning is straightforward: consolidate natural language capabilities into a single, more advanced experience. But as I dug deeper, I found an architec

In this writing, I like to share how I started to learn about the most significant architectural shift in Power BI's history: the transition to the Power BI Enhanced Report Format (PBIR) . For years, I as a Power BI developer have lived in the era of the .pbix file. It served me well as a container, but it had one fatal flaw: it was a "black box." A binary blob that defied version control, made collaboration a nightmare of "save as" copies, and locked my logic inside a propr

In this writing, I’d like to share how I started learning about Composite Semantic Models  in Power BI and Fabric — especially now that Direct Lake mode can coexist with Import tables . When this feature first appeared in preview, I was curious how it could help simplify data architecture and improve performance for mixed workloads. After some testing, I’ve learned both the power and the limitations of this hybrid approach. Why This Feature Matters For years, I had to choose

In this writing, I’d like to share how I've learned to dramatically accelerate one of the most common and repetitive tasks in Power BI...

In this writing, I’d like to share what I have learned from a recent Microsoft Fabric announcement that, in my opinion, is one of the...

In this writing, I’d like to share how I am evolving my Power BI development process. For years, building semantic models has been a...

In this writing, I like to share how I learned understanding and writing OFFSET DAX function in Power BI. OFFSET function (DAX) - DAX |...

Introduction: A New Chapter in My Power BI Development Journey In this writing, I'd like to share my journey with a feature that has...

By Jihwan Kim In this writing, I like to share how I learned to tackle one of the more insightful business analyses – cohort analysis,...

Measure Bloat You Can’t See—But Still Pay For Introduction In this writing, I like to share how I learned to uncover hidden VertiPaq...