In an exciting bit of news today, Microsoft announced the ability to remove the gray box that appears around visualizations. This can be done in Power BI desktop.
Any changes made in the desktop version will be transferred to the published dashboard.
You can read more about the update here.
Microsoft announced yesterday an important update to the Power BI data hosting schema. You can now select where your day is hosted whether required for your internal reasons or outside regulatory requirements.
You can read more about it on the Microsoft Power BI blog here.
Note that this feature is only available in Power BI premium.