Product Bundles
DevCraft
All Telerik .NET tools and Kendo UI JavaScript components in one package. Now enhanced with:
Web
Mobile
Document Management
Desktop
Reporting
Testing & Mocking
CMS
UI/UX Tools
Debugging
Free Tools
Support and Learning
Docs & Resources
Productivity and Design Tools
Here's the feature request page for this enhancement so you can Follow its progress: https://feedback.telerik.com/blazor/1414347-multiple-column-header.