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How to upgrade from .NET core 2.1 to .NET core 5 ?

What I have tried:

How to upgrade from .NET core 2.1 to .NET core 5 ?
Posted
Updated 22-Oct-22 19:56pm
Comments
Member 15627495 24-Oct-22 3:40am    
sure there are tools to upgrade, or busy time to spend, but you can add the .net 5 as new package in your project , to cover the new feature you need.

if you block in your project because of 'fashion new .net 5' , you're maybe looking for a wrong need about your project.
Richard Deeming 24-Oct-22 5:47am    
.NET 5 has been out of support since May. You should upgrade to .NET 6, which is supported until November 2024.

.NET and .NET Core official support policy[^]

1 solution

You can use .NET Upgrade Assistant: Upgrade Assistant | .NET[^]. It's a tool by Microsoft that helps you incrementally upgrade your .NET Framework-based Windows applications.

Also, refer the documentation for stepwise from 2.1 to 3.0 => 3.0 to 3.1 => 3.1 to 5.0:
Migrate from ASP.NET Core 2.1 to 2.2 | Microsoft Learn[^]
Migrate from ASP.NET Core 2.2 to 3.0 | Microsoft Learn[^]
Migrate from ASP.NET Core 3.0 to 3.1 | Microsoft Learn[^]
Migrate from ASP.NET Core 3.1 to 5.0 | Microsoft Learn[^]

You can also refer this inhouse document: Upgrading from .NET Core 2.1 to .NET 6.0[^]
 
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