TickerQ is one of the most promising new libraries in the .NET ecosystem. It is a modern, high-performance scheduling library focused on simplicity, scalability and developer experience.

EF Core and other first party tools are amazing in modern data access development in .NET ecosystem.

Kommand offers a clean and explicit way to implement CQRS in .NET applications. It features built-in validation, cross-cutting concerns and a minimal setup.

C# 14's new extension members greatly improve on traditional extension methods by allowing developers to add not just methods, but also properties and other instance members to existing types.

Exact vector search is a solid starting point. Once volume grows, approximate vector search with vector indexes a offer fast alternative with relevant results instead of exhaustive comparison on every row.

Facet is a powerful source generator tool that can help you improve your mapping code. It's easy to use, test and integrate with other libraries.

EF Core 10 introduces named query filters, allowing multiple filters per entity and selective bypass so you can disable only the filters you need.

Domain models can be passive data containers or active business objects, a practical approach is starting with anemic models and evolving them into rich ones as the domain grows in complexity.