Hi Elmer,
We are unable to reproduce the reported issue 'Pulsing tile is not zooming or pulsing while adding assemblies'.
We have taken a video that describes SfPulsingTile works without any issues.
Please find the video in below link,
Further we would like to know whether the Assemblies are referred from
$SystemDrive:\Program Files (x86)\Syncfusion\Essential Studio\#Version#\Assemblies for WinRT\TargetVersion#\
Ex: C:\Program Files (x86)\Syncfusion\Essential Studio\12.2.0.42\Assemblies for WinRT\8.1\
as the above is the proper location for referring assemblies directly and not from
$SystemDrive:\Program Files (x86)\Syncfusion\Essential Studio\#Version#\WinRT\TargetVersion#\SDK\References\CommonConfiguration\neutral\
EX: C:\Program Files (x86)\Syncfusion\Essential Studio\12.2.0.42\WinRT\8.1\SDK\References\CommonConfiguration\neutral\
which is only for sdk reference path.
If the issue persists please provide us any samples or code snippet to reproduce the reported problem.
Please let us know if you have any queries.
Regards,
Vignesh V