.NET Core brings along many optimizations with regards to performance, both in terms of execution speed as well as memory allocation. Examples are optimizations in collections and LINQ extension ...

ASP.NET Core improvements in the second .NET 8 preview include a high-performance Blazor component for displaying tabular data and partial JIT compilation for Blazor WebAssembly apps.

Microsoft sets out some of what it says are .NET 5's wealth of performance improvements, especially for Arm64.