What's new in ArcGIS Enterprise 11.3

This video covers new features and functionality in ArcGIS Enterprise 11.3. Here are some key topics covered in this video:
Updating Living Atlas Content
Supporting new field types
Custom web tools in Map Viewer
.NET 8 update
Learn more about Esri & ArcGIS:
Website: www.esri.com
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[@bilalalam3316]

One query.
after upgrading from 10.9 to 11.3we have one customized application giving error in console tab of developer tool cors origin before upgrading it is working fine. Unable to find the solution is there any specific setting which need to do. Already in arcgis server allowed cross origin is *.