Productivity + high performance = “.NET Core, make .NET great again!” 

In this C# 8 tutorial, I am going to introduce a selection of currently planned features which will most probably end up in the final release. All of the C# 8 features are still early in development and are likely to change. 

10x faster and 90% memory reduction compared to Microsoft's immutable collections 

Biggest Changes With C# 9.0 and .NET 5

A couple of notable additions to try:

• Multi-caret editing improvements
• Faster git branch switching
• Faster unit test execution
• TypeScript 3.0 support 

ASP.NET CORE Identity Under the Hood | Authentication & Authorization | .NET 8

00:00:00 Introduction
00:04:31 1. Security Overview
00:10:34 2. Authentication and Authorization Flow
00:17:18 3. ASP.NET Core Basics
00:23:31 4. Security Context in ASP.NET Core
00:27:23 5. Anonymous Identity
00:33:26 6. Create a Login Page with Razor Pages
00:46:02 7. Generate Cookie with Cookie Authentication Handler
01:06:01 8. Authenticaiton Middle and Authentication Scheme
01:15:16 9. Authorization Architecture Flow
01:23:58 10. Simple Policy based Authorization
01:43:50 11. Login & Logout Partial View
01:52:56 12. Custom Policy based Authorization
02:05:11 13. Cookie Lifespan & Browser Session 

Performance benefits of sealed class in .NET 

Astonishing Performance of .NET 5: More Data