Among the key innovations are runtime acceleration and support for AVX10.2; libraries now have post-quantum algorithms (ML-KEM, ML-DSA, SLH-DSA), WebSocketStream, and TLS 1.3 on macOS; The SDK added one-shot execution of dotnet tool exec, generation of native completion scripts, and publishing console applications as containers; ASP.NET Core received Blazor improvements and passkey support in Identity; C# 14 brought field properties, implicit-Span, extension-blocks, and new operators.
Follow the link - an article with a detailed description of all the new features!