If I set my Dataflows and Datasets to both update at the same time, it seems like luck of the draw as to which one "fires" first. Often leaving old data in the Dataset. Give Dataflows priority ...
We're taking a look at making orchestration smarter in the future. In the meantime, we support simple orchestration as called out here: Understanding and optimizing dataflows refresh - Power BI | Microsoft Docs. You can also try using the Power Automate templates or building out custom solutions as further desrcibed in the above article.
