Tabular Model Definition Language (TMDL) in Power BI Desktop developer mode (Preview)

What is ‘Power BI Desktop developer mode’: Now the TMDL in Power BI Desktop developer mode (Preview) feature announces the adoption of Tabular Model Definition Language (TMDL) as the semantic model file format for the Power BI Project files(PBIP). Why TMDL? Please refer this official blog post for more details. 🙂
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