When it is planned to release table widget in the ArcGIS dashboard because we need to create and display summarized data in the table widget in the ArcGIS dashboards.
> When it is planned to release table widget in the ArcGIS dashboard ...
This feature is targeted to be released in the Dec 2021 ArcGIS Online update - however, this is not final and may change. The Dev team is actively working on this functionality.
Hope this helps,