Hi @Anonymous ,
Based on your description, delays and freezes in UI functionality do make the experience less enjoyable. There are several reasons you can troubleshoot to fix it.
First, you can go ahead and simplify your forms, oversized data models do have an impact on the performance of the UI. Secondly, you can update to the latest version of power bi desktop and do another upload. Lastly you can ensure the loading performance of your browser by clearing its cache.
You can refer to this document to make changes to your model
Optimization guide for Power BI - Power BI | Microsoft Learn
Best regards,
Albert He
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