This post was originally published on Info World
Microsoft has released its third preview of .NET 10, a planned update to the company’s cross-platform, open-source, application development platform. Among the highlights, .NET 10 Preview 3 introduces an AOT-safe constructor for ValidationContext, more powerful C# language extensions, and Blazor WebAssembly improvements.
.NET 10 Preview 3 was unveiled April 10 and can be downloaded from dotnet.microsoft.com. It follows Preview 2, published March 18, and Preview 1, published February 25. .NET 10 is likely to ship as a production release in November.
Among the capabilities in third preview is an AOT-safe constructor for the ValidationContext class in the standard library. The ValidationContext class is used during options validation to provide validation context. However, because extracting the DisplayName can involve reflection, existing constructors of ValidationContext are currently marked as unsafe for AOT (ahead of time) compilation. The new constructor ensures AOT safety, enabling developers to use ValidationContextin native builds without bumping into errors or warnings.
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