Latest updates and features in .NET 7

NET 7 is the successor to .NET 6 and focuses on being unified, modern, simple, and fast. .NET 7 will be supported for 18 months as a standard-term support (STS) release. .NET 7 was released on November 8, 2022 and is the latest version of the .NET platform. It includes a number of new features and improvements, including:

• C# 11: C# 11 includes a number of new features, such as global using directives, file-scoped namespaces, and record structs.
• Performance improvements: .NET 7 includes a number of performance improvements, such as faster startup times and lower memory usage.
• New features for cloud-native development: .NET 7 includes a number of new features for cloud-native development, such as support for HTTP/3 and improvements to minimal APIs.
• New features for desktop development: .NET 7 includes a number of new features for desktop development, such as support for WinUI 3.1 and improvements to Windows Presentation Foundation (WPF).
• New features for mobile development: .NET 7 includes a number of new features for mobile development, such as support for .NET MAUI and improvements to Xamarin.Forms.

C# 11 features in .NET 7

C# 11 includes a number of new features, such as:

• Global using directives: Global using directives allow you to import namespaces at the top of your code file, so that you don’t have to import them in each class.
• File-scoped namespaces: File-scoped namespaces allow you to define namespaces that are only accessible within the current file.
• Record structs: Record structs are a new type of struct that is specifically designed for storing data. They are similar to regular structs, but they have some additional features, such as automatic property generation and initialization.
• Init-only setters: Init-only setters allow you to set properties only once, during object creation or initialization.
• Required properties: Required properties must be set before the object is used.
• Asynchronous streams: Asynchronous streams allow you to read and write data asynchronously, without blocking the thread.
• Improvements to generic math: Generic math has been improved in C# 11, making it easier to write generic math code.
• New APIs for pattern matching: C# 11 includes new APIs for pattern matching, making it more powerful and easier to use.

Performance improvements in .NET 7

.NET 7 includes a number of performance improvements, such as:

• Faster startup times: .NET 7 has faster startup times than previous versions of .NET. This is due to a number of improvements, such as precompiling more of the runtime and using a new JIT compiler.
• Lower memory usage: .NET 7 uses less memory than previous versions of .NET. This is due to a number of improvements, such as reducing the size of the runtime and using a new garbage collector.
• Improved performance of regular expressions: The regular expression library in .NET 7 has been improved, resulting in significant performance gains for many regular expressions.
• Improved performance of ASP.NET Core: ASP.NET Core in .NET 7 has a number of performance improvements, such as faster routing and caching.

New features for cloud-native development in .NET 7

.NET 7 includes a number of new features for cloud-native development, such as:

• Support for HTTP/3: .NET 7 supports HTTP/3, the latest version of the HTTP protocol. HTTP/3 offers a number of benefits over HTTP/2, such as improved performance and reliability.
• Improvements to minimal APIs: Minimal APIs in .NET 7 have been improved, making them easier to use and more powerful. For example, minimal APIs now support file uploads and rate limiting.
• Improvements to container support: .NET 7 includes a number of improvements to container support, such as the ability to publish directly to containers and to use central package management with NuGet.

New features for desktop development in .NET 7

.NET 7 includes a number of new features for desktop development, such as:

• Support for WinUI 3.1: .NET 7 supports WinUI 3.1, the latest version of the Windows UI platform. WinUI 3.1 includes a number of new features, such as support for Fluent Design and XAML islands.
• Improvements to Windows Presentation Foundation (WPF): WPF in .NET 7 has a number of improvements, such as support for dark mode and variable fonts.

New features for mobile development in .NET 7

.NET 7 includes a number of new features for mobile development, such as:

• Support for .NET MAUI: .NET MAUI is a new cross-platform UI framework that allows you to build native mobile and desktop applications from a single codebase. .NET MAUI is still in preview, but it is expected to be released in the near future.
• Improvements to Xamarin.Forms: Xamarin.Forms in .NET 7 has a number of improvements, such as support for new platform features and performance enhancements.

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Content Source:

1. DotNet Official Documentation