The build performance with new license validation (2025) is very poor. 2025 version takes about 5 sec. extra time to build. For small projects it takes 10x longer.
Test environment:
Build times depending on the Version of Telerik Nuget:
<PackageReference Include="Telerik.Windows.Controls.Navigation.for.Wpf" Version="2025.1.211" />
11:25:47:071 Build started at 11:25...
11:25:47:189 1>------ Build started: Project: TelerikBuildTest, Configuration: Debug Any CPU ------
11:25:51:748 1>[Telerik and Kendo UI Licensing]
11:25:51:748 1> Telerik and Kendo UI License Key found at: C:\Users\...\AppData\Roaming\Telerik\telerik-license.txt (UserDirectory)
11:25:51:748 1> License issued at 2025-03-16 to e**********@....
11:25:51:748 1>[Telerik and Kendo UI Licensing]
11:25:51:748 1> Valid Telerik UI for WPF license found.
11:25:52:743 1>[Telerik and Kendo UI Licensing]
11:25:52:743 1> Telerik and Kendo UI License Key found at: C:\Users\...\AppData\Roaming\Telerik\telerik-license.txt (UserDirectory)
11:25:52:743 1> License issued at 2025-03-16 to e**********@...
11:25:52:743 1>[Telerik and Kendo UI Licensing]
11:25:52:743 1> Valid Telerik UI for WPF license found.
11:25:52:815 1>TelerikBuildTest -> C:\Users\....\source\repos\TelerikBuildTest\TelerikBuildTest\bin\Debug\net8.0-windows\TelerikBuildTest.dll
11:25:52:828 ========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
11:25:52:828 ========== Build completed at 11:25 and took 05,892 seconds ==========
<PackageReference Include="Telerik.Windows.Controls.Navigation.for.Wpf" Version="2024.4.1213" />
11:26:33:405 Build started at 11:26...
11:26:33:581 1>------ Build started: Project: TelerikBuildTest, Configuration: Debug Any CPU ------
11:26:33:953 1>TelerikBuildTest -> C:\Users\...\source\repos\TelerikBuildTest\TelerikBuildTest\bin\Debug\net8.0-windows\TelerikBuildTest.dll
11:26:33:960 ========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
11:26:33:960 ========== Build completed at 11:26 and took 00,633 seconds ==========