Power BI, by default showing the selected fields in the report tooltip. There should be a option to discard/add fields from the tooltip. e.g It shows Index column in Map visualization, which can be d...
I'm sorry for the delay in updating this idea, but we have in fact made custom report page tooltips generally available as of the September release of Power BI Desktop. You can read the details in this blog post: https://powerbi.microsoft.com/en-us/blog/power-bi-desktop-september-2018-feature-summary/#tooltips Be sure to vote on other tooltip suggestions on UserVoice if you have any other specific requests.
