.NET has rapidly grown, with over 1 million new monthly active developers in the past year, and has become an open-source project embraced by companies like Samsung. The latest .NET Core 2.1 release enhances performance, supports real-time web functionalities, and prepares for .NET Core 3.0, which expands compatibility to desktop, IoT, and AI workloads, ensuring seamless integration for cloud-native applications. Additionally, Microsoft is promoting machine learning capabilities through ML.NET and Azure Cognitive Services for .NET developers.

4. DESKTOP WEB CLOUD MOBILE GAMING IoT AI
.NET
Your platform for building anything

5. Microsoft Confidential
.NET Growth in Visual Studio
+1 million new monthly active .NET developers in last year!
Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17 Nov-17 Dec-17 Jan-18 Feb-18 Mar-18
Monthly Active .NET Developers in Visual Studio
(2015 & 2017)

6. “Samsung is embracing .NET because it is a
completely open source project.” — Samsung
".NET is open source; that allows us to contribute
back to it if we have any performance issues
which Microsoft review and together we make a
better product.“ — Illyriad Games
19,000+ Community Contributions from 3700+ Companies outside Microsoft
0
200
400
600
800
1000
1200
1400
1600
1800
2000
COMMUNITY ACCEPTED PULL REQUESTS

7. Learn. Imagine. Build.
Announcing…
.NET Conf 2018
Save the date!
Sept 12-14, 2018
www.dotnetconf.net
A virtual training event brought to you by the community and .NET product teams

8. Announcing
.NET Core 2.1 RC
https://aka.ms/DotNetCore21
“Go-live”

9. Microsoft Confidential
.NET Core 2.1 Themes
• Faster Build & Runtime Performance
• Close gaps in ASP.NET Core and EF Core
• Improve compatibility with .NET Framework
• GDPR and Security
• Microservices and Azure
• Faster Internal Engineering System
https://aka.ms/DotNetCore21

10. Microsoft Confidential
.NET Core 2.1 Tooling Performance
0
20
40
60
80
100
120
2.0 2.1-preview 2.1 RC
INCREMENTAL BUILD TIME FOR .NET CORE SDK

11. “Using the same-size server, we were able to go from 1,000 requests per
second per node with Node.js to 20,000 requests per second with .NET Core.“
— Raygun
https://www.microsoft.com/net/customers
Data sourced from official tests available at TechEmpower Round 14.

12. 2.6MM
599K
97K
2.9MM
662K
216K
-
500,000
1,000,000
1,500,000
2,000,000
2,500,000
3,000,000
Plaintext JSON Fortunes (data access)
RUNTIME PERFORMANCE
.NET Core 2.0 .NET Core 2.1
Data sourced from tests in our labs on same hardware as TechEmpower

14.  Add real-time web functionalities easily with Azure and .NET Core 2.1
 Enable via “services.AddSignalR().AddAzureSignalR()”
Fully managed service
No more worries about capacity provisioning, scaling,
or persistent connections
Use ASP.NET Core SignalR to build real-time experiences
such as chat, stock tickers, live dashboards, and instant
broadcasting
</>
Native SignalR development

15. .NET Core now supported on Azure IoT Hub Samsung
Visual Studio Tools for Tizen

17. Announcing .NET Core 3.0 Roadmap

18. .NET Core
DESKTOPWEB CLOUD IoT AI
LIBRARIES
INFRASTRUCTURE
.NET CORE.NET CORE 3
.NET Core 3 expands supported
workloads to include Windows
Desktop, IoT & AI
.NET Core is perfectly suited for the requirements
of cloud-native, cross-platform workloads

21. Highly-compatible,
targeted improvements,
like last few releases
• XAML Islands - WinForms & WPF apps
can host UWP controls
• HDPI and accessibility improvements
• .NET Framework support unchanged
(supported for life of Windows)
• XAML Islands - WinForms & WPF apps can host UWP controls
• Full access to Windows 10 APIs
• Side-by-side support & self contained exes
• Desktop pack to enable porting existing apps to .NET Core
UWP
Windows-only
DATAWEB
ASP.NET
Core
EF Core
AI/ML
ML.NET
WPF
.NET Core 3Desktop Packs.NET Framework 4.8
.NET STANDARD
Existing
App
Highly
compatible
updates
.NET Core
3.0 with
Desktop
Packs
Install .NET
Core updates
per your
needs
Modernize Desktop Apps with .NET Core 3
Windows-only
.NET STANDARD
Cross-platform
Windows
Forms
Update .NET Framework Apps
EF6 (cross-plat)

23. .NET Core 3.0 Preview
Later This Year

25. aka.ms/vs4mac

28. .NET and Machine Learning

29. Pre-built ML Models (Azure Cognitive Services)
Easy / Less Control Full Control / Harder
Vision Speech Language
Knowledge SearchLabs
TextAnalyticsAPI client = new TextAnalyticsAPI();
client.AzureRegion = AzureRegions.Westus;
client.SubscriptionKey = "1bf33391DeadFish";
client.Sentiment(
new MultiLanguageBatchInput(
new List<MultiLanguageInput>()
{
new MultiLanguageInput("en","0",
"This is a great vacuum cleaner")
}));
e.g. Sentiment Analysis using Azure Cognitive Services
96% positive

30. Pre-built ML Models (Azure Cognitive Services)
Easy / Less Control Full Control / Harder
Vision Speech Language
Knowledge SearchLabs
TextAnalyticsAPI client = new TextAnalyticsAPI();
client.AzureRegion = AzureRegions.Westus;
client.SubscriptionKey = "1bf33391DeadFish";
client.Sentiment(
new MultiLanguageBatchInput(
new List<MultiLanguageInput>()
{
new MultiLanguageInput("en","0",
"This vacuum cleaner sucks so much dirt")
}));
e.g. Sentiment Analysis using Azure Cognitive Services
9% positive

31. Easy / Less Control
Full Control / Harder
Prepare Your Data Build & Train Run

32. Full Control / Harder
Introducing
{

33. Microsoft Confidential
Proven & Extensible Open Source
https://github.com/dotnet/machinelearning
Build your own
Supported on Windows, Linux, and macOS
Developer Focused
ML.NET 0.1 (Preview)
Machine Learning framework made for .NET developers

35. Full Control / Harder

39. https://aka.ms/DotNetCore21

40. Workshop right after this session: WRK2206 Get started with ASP.NET Core 2.1