We are having multiple users no longer able to refresh existing BI Pivot Tables and cannot create new ones. These users are newly released version 2311, users on 2310 are not experiencing this. ...
The solution was that our company had TLS 1.3 enabled on Windows 10, which is not compatible. Version 2311 of Excel apparently started using 1.3 when trying to reach out to Power BI Service, causing an error.
This also was preventing Power BI Desktop from Signing In, and also Excel from connecting to Azure SQL DB's