Take advantage of record types in C# 9 to build immutable types and thread-safe objects.

The announcement of the future addition is related to Extension types which in C# 13 will be expanded by providing additional methods, properties, and members to underlying types.

Take advantage of nullable types to assign 'no values' or 'null values' to value types when there is no value available The C# language provides support for two types of data: value types and ...