Marco Russo's Blog posts of 2026
SQLBI+ updates in April 2026
We released a new session in SQLBI+: How to navigate the lattice of visual calculations: This video explains how to navigate the lattice of visual calculations in DAX, using COLLAPSEALL and EXPAND to move between levels. A key topic is… Read more
The Third Edition of the Mastering DAX Video Course – unplugged
Alberto and I recorded an unplugged session to talk about the new edition of the Mastering DAX Video Course. You can watch it above, but if you prefer a quick read, here are some thoughts. The question we heard the… Read more
SQLBI+ updates in March 2026
We released a new course for SQLBI+ subscribers: Understanding Visual Calculations in DAX. This is not an introduction to visual calculations for users. The goal is to explain the details of implementing visual calculations for experienced DAX developers, including new… Read more
Fixing the “Black Icons” issue in Power BI Desktop: understanding the problem and a temporary workaround
In mid-January 2026, many Power BI Desktop users began noticing a strange visual regression: several icons in the interface—including the Data, Model, and DAX icons—appeared as solid black shapes instead of their normal outlines. The issue appeared suddenly, even on… Read more