Introduce a dedicated split-view or detachable pop-out editor within Power BI Desktop for writing and tweaking DAX measures, DAX queries, and TMDL definitions. This live-editing pane would sit alongside the report canvas, either docked (right-hand side) or in a separate floating window - allowing users to: Write and modify DAX measures with full IntelliSense and formatting support See live updates reflected in the report visuals without switching tabs or having the formula bar get in the way Run DAX queries (via DAX Studio or Performance Analyzer-like pane) and instantly see results Author or tweak TMDL model definitions with immediate visual and metadata feedback This would drastically improve productivity, support iterative analysis, and bring parity with modern IDE workflows. It removes the constant context-switching between visuals and the model pane, making development faster, more responsive, and much more intuitive.
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