What’s new in .NET 8

Starting with .NET 8 you can mark JsonSerializerOptions instances as read-only, preventing further changes to the instance. To freeze the instance, simply call MakeReadOnly on the options instance. Let’s take an example: Furthermore, you can check if an instance was frozen or not by checking the IsReadOnly property. Attempting to modify a JsonSerializerOptions instance after…

In C#, you can randomly slect items from a list using Random.GetItems, a method introduced in .NET 8. The method takes in two parameters: There are two important things to note about this method: With all this being said, let’s take a few examples. Let’s assume the following array of choices: For selecting 2 random…

JsonStringEnumConverter is not compatible with native AOT. To fix that, NET 8 introduces a new converter type JsonStringEnumConverter<TEnum> that is compatible with native AOT. To use the new type, simply annotate your types as follows: Keep in mind: enum deserialization is case insensitive, while serialization can be cusomized via JsonNamingPolicy. What happens if you try…