Microsoft has moved the vision “One .NET” to .NET 6.0. But even without the promised standardization .NET 5.0 brings some progress.

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Dr. Holger Schwichtenberg .NET Framework: Performance and deployment in .NET 5.0 improved The classic is slowed down Conclusion Article in iX 1 / 2021 read Microsoft announced in May 2019 to merge the previously separate .NET variants .NET Framework, .NET Core and Mono into one product line as part of .NET 5.0. With the reference to the slower progress in the home office caused by the pandemic, the standardization was postponed to that for November 2021 planned .NET 6.0.

You have to differentiate clearly between marketing and technology. Technically, .NET 5.0 is a further development of .NET Core 3.1. In order to suggest to customers that the future belongs to this product line alone, Microsoft deleted the term “Core” and skipped the version number 4.0.

Developers who are still using the .NET Framework 4.8 or a his predecessors work, you have to reckon with a considerable migration effort, because not only has the project model changed, but .NET 5.0 also no longer offers some components. This includes in particular Windows Communication Foundation (WCF), ASP.NET Webforms, ASP.NET Webservices, .NET Remoting, Windows Workflow Foundation (WF), LINQ-to-SQL and Applications Domains.

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