Building on C# 9, C# 10 allowed record structs . These provide value-based equality for stack-allocated types, perfect for high-frequency data processing where memory heap pressure must be avoided. Implicit Usings

Drastic speed improvements in reading and writing streams. 2. C# 10 Language Evolution

C# 10 focused on removing "boilerplate" code, making the language more expressive and cleaner.

Define namespaces once for the entire project.