Hybrid search in EF Core 10 with Cosmos DB combines keyword precision and vector understanding, allowing you to perform both full-text and vector searches with ranked results.

Guard clauses are simple checks placed at the start of a method to validate inputs and prevent invalid states early. They help code fail fast, stay clean, and avoid deep nesting or repetitive validation logic.

Complex types in EF Core 10 are no longer a niche feature. They are now safer, more expressive and finally compatible with proper value object modeling.