The document outlines Microsoft's .NET development platform and roadmap. It discusses how .NET is intended as a unified platform for building desktop, web, cloud and mobile applications. It provides release dates for upcoming versions of .NET Core from 2019 to 2023, including which will be long-term support releases. It also previews new features for .NET 5 like Span<T>, IAsyncEnumerable<T>, and hardware intrinsics, as well as changes like dropping support for some APIs in the full .NET Framework. Finally, it confirms Windows desktop frameworks like Windows Forms and WPF will continue to be supported and developed openly.

5. .NET 5
INFRASTRUCTURE
.NET STANDARD
.NET – A unified platform
DESKTOP WEB CLOUD MOBILE GAMING IoT AI
WPF
Windows Forms
UWP
ASP.NET Xamarin UnityAzure ARM32
ARM64
ML.NET
.NET for
Apache Spark

6. July 2019
.NET Core 3.0
RC
Sept 2019
.NET Core 3.0
Nov 2019
.NET Core 3.1
LTS
Nov 2020
.NET 5.0
Nov 2021
.NET 6.0
LTS
Nov 2022
.NET 7.0
Nov 2023
.NET 8.0
LTS

8. • Span<T>
• Index and Range
• IAsyncEnumerable<T>
• Reflection emit and capability APIs
• Hardware Intrinsics API [post]
• DbProviderFactories
• No support in full .NET Framework

18. breaking changes

22. Windows Desktop
• Windows Forms
• WPF
• UWP
• Open-source

25. Questions and Answers