Embracing the latest .NET Framework versions is a best practice that every .NET Core and C# developer should follow. .NET Core is an open-source, cross-platform framework that is constantly evolving, and new versions are released frequently. Each new version comes with new features, performance improvements, and bug fixes. By staying up-to-date with the latest versions, developers can take advantage of these improvements and ensure that their applications are secure and performant.

One of the main benefits of using the latest .NET Framework versions is improved performance. Each new version of .NET Core comes with performance improvements that can make a significant difference in the speed and responsiveness of your application. For example, .NET Core 3.0 introduced a new high-performance JSON API that can improve the performance of JSON serialization and deserialization by up to 10 times compared to previous versions. By upgrading to the latest version of .NET Core, you can take advantage of these performance improvements and ensure that your application is running as efficiently as possible.

Another benefit of using the latest .NET Framework versions is access to new features and APIs. Each new version of .NET Core comes with new features and APIs that can make it easier to develop applications and add new functionality. For example, .NET Core 3.1 introduced support for C# 8.0, which includes new language features such as nullable reference types and async streams. By upgrading to the latest version of .NET Core, you can take advantage of these new features and APIs and make your code more concise and expressive.

// Example of using nullable reference types in C# 8.0
string? nullableString = null;
int length = nullableString?.Length ?? 0;
Console.WriteLine($"Length of nullable string is {length}");