Upgrade Project Wizard should use 2025.2.520.48 version in .NET Framework 4.8 project.
Hello,
Workaround: manually upgrade the project reference and use 2025.2.520.48 assemblies. The following article will be useful on updating assemblies in a project: Updating Assemblies in a Project
Regards,
Nadya | Tech Support Engineer
Progress Telerik
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