Moving to .Net 10

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Moving to .Net 10

Dani_S 4,896

Hi,

1,My solution is consists of following projects:

a. Console App project in .NET 9.

b. Class Library project - netstandard2.0 .

c. WPF App project - in .NET 9.

d. XUnit Tests project -in .NET 9.

I'm using VS 2026.

3.I want to move to .NET 10 :

a. It possible, is yes how ?

b. My class Library project - is netstandard2.0 ,

Console App project + WPF App project + XUnit Tests project have a references to it?

It work on .NET 9 , it will work while moving to .NET 10 ?

4.What the benefits to move to .NET 10 in all projects?

Thanks in advance,

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Answer 1

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Yes, it is possible to move your solution to .NET 10. Here are the steps you can follow:

Update Package References: For each project in your solution, you will need to update the package references in the project files to target .NET 10. For example, you should update the Version attribute of the Microsoft.AspNetCore.*, Microsoft.EntityFrameworkCore.*, and Microsoft.Extensions.* packages to 10.0.0 or later.
Class Library Project: Since your Class Library project is targeting netstandard2.0, it will still be compatible with .NET 10 projects. The .NET 10 Console App, WPF App, and XUnit Tests projects can reference your Class Library without issues.
Project Compatibility: The Console App, WPF App, and XUnit Tests projects that are currently targeting .NET 9 will need to be updated to target .NET 10. You can do this by changing the target framework in their respective project files to net10.0.
Testing: After making these changes, thoroughly test your applications to ensure that everything works as expected after the migration.

By following these steps, you should be able to successfully migrate your solution to .NET 10 while maintaining the references to your Class Library project.

References:

Dani_S 4,896 Reputation points

2025-12-15T06:54:10.8166667+00:00

Are these steps are corrects?
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 1,295 Reputation points Microsoft External Staff

2025-12-16T06:50:58.82+00:00
Thanks for sharing the details.

The netstandard2.0 libraries are fully supported in .NET 10.Moving to .NET 10 provides performance improvements and long-term support. No functional changes are required unless deprecated APIs are used.

Verify the prerequisites like installing of VS with .net 10 and close all running instances.

Take a full backup of the solution folder or commit all changes to source control.

Open the Console App .csproj file, and Change:<TargetFramework>net9.0</TargetFramework> to: <TargetFramework>net10.0</TargetFramework>, and save it.

Open the WPF app .csproj file, Update the target framework:<TargetFramework>net10.0</TargetFramework>

Open the xUnit test project .csproj,Update and restore the NuGet packages. <TargetFramework>net10.0</TargetFramework>

Only upgrade this project if all consumers are .NET 10 and legacy support is not required.
Dani_S 4,896 Reputation points

2025-12-16T07:09:20.18+00:00

I have one more question:

1.My Class Library is now netstandard2.1 using Aspose API.

2.The Aspose API is not supported .Net 10.

3.I have 3 clients:

a. Console App project in .NET 9.

b. WPF App project - in .NET 9.

c. XUnit Tests project -in .NET 9.

3.Can I move the 3 clint to .Net 10 ?

Thanks in advance,

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Moving to .Net 10

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