ASP.NET Core updates in .NET 7 Preview 5

published on 2022/06/15

Here’s a summary of what’s new in this preview release:

  • JWT authentication improvements & automatic authentication configuration
  • Minimal API’s parameter binding support for argument list simplification

Microsoft DevBlogs

Improvement for .NET 7 includes:

  • Expose performant ActivityEvent and ActivityLink tags enumerator methods
  • System.Text.Json support for Polymorphism
  • Utf8JsonReader.CopyString
  • Source Generation improvements
  • System.IO.Stream ReadExactly and ReadAtLeast
  • New Roslyn analyzer and fixer for RegexGenerator
  • Generic Math
  • System.Reflection performance improvements when invoking members
  • ML.NET Text Classification API
  • CodeGen improvements on Arm64 and many more
  • Library trimming

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