.NET Core 2.2 will reach End of Life on December 23, 2019 

InfoQ's 2019, and Software Predictions for 2020 

The people from InfoQ released a free (mini)book about .NET Core. In this book, five authors talk about the current state of .NET Core 3.0 from multiple perspectives. Each author brings their experience and ideas on how different .NET Core 3.0 features are relevant to the .NET ecosystem, both present and future. 

Memory management and garbage collection (GC) in ASP.NET Core 

What's new in ASP.NET Core 3.1 

Migrate from ASP.NET Core 3.0 to 3.1 

Run-time configuration options for garbage collection 

Clean ASP.NET Core API using MediatR and CQRS | Setup