Explore .NET 9's System.Text.Json updates like JSON schema export, advanced serialization options, and performance enhancements for JSON docs.

Explore .NET 9’s new LINQ methods, CountBy and AggregateBy, which simplify group operations, boost readability, and improve code efficiency.

Discover new cryptography features in .NET 9, including simplified hashing with HashData and enhanced security with KMAC for data integrity.