This update contains the following improvements and fixes for Microsoft SQL Server 2016 Reporting Services (SSRS 2016) mobile report:
Improve the accessibility support for maps in Reporting Services mobile reports
Add a new feature that lets you simulate map data rationalization
Fix issues with JSON serialization that affects Power BI Mobile clients
Cumulative Update information
The improvements and fixes were introduced in the following cumulative update of SQL Server.
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.