The document is a welcome announcement for a Seattle Mobile .NET Developers event on November 13, 2019, focused on real-time apps with SignalR and hosted by James Montemagno. It highlights various topics such as mobile development with Xamarin, upcoming features, and announcements related to .NET Core, ML.NET, and Azure services. The event includes networking opportunities and discussions on recent developments in the .NET ecosystem.

1. Welcome to Seattle Mobile .NET Developers!
• Wednesday, Nov. 13th, 2019
• Topic:
– Real-time Apps with SignalR
• -James Montemagno
• Please eat some food!
• We will start at 6:20PM
• WiFi - msevent259gm

2. What is Seattle Mobile .NET’s Focus?
• Mobile Development with Xamarin
• .NET Development
• C# and F#
• Windows Development
• Game Development
• Other interesting .NET Stuff

4. Welcome to
Reactor Redmond
Share your Story
Join the Conversation
@MSFTReactor /MicrosoftReactor

5. Reactor Redmond
Register for Upcoming Events On The Link Below
aka.ms/reactor

6. Introductions
• 10-20 Seconds
• Tell us about yourself
• Name, what you are working on, etc.
• Any short announcements
• I will start!

7. Announcements

8. XAML Hot Reload Public Preview
http://aka.ms/xamlhotreload

9. Specific Languages
Proper Resource Screen
Densities
Best Match ABIs
arm64
en xxxhdpi
fr
Base
Optimized APK
(20-50% size reduction)

10. App Center Integration

11. Absolutely no code changes made by you.
Optimized APK
(20-50% size reduction)
Visual Studio 2019 16.3

12. Xamarin.Forms 4.X Series (4.3 Available Now)
• Shell
• CheckBox
• Font Enhancements
• RelativeSource Binding
• Map Enhancements
• RefreshView
• So Much more!

13. CollectionView

14. CarouselView

16. Xamarin @Ignite
• Full Day Workshop
• 8+ Sessions on Demand
• New Xamarin.Forms Sample
App - FlyMe
https://devblogs.microsoft.com/xamarin/xamarin-at-microsoft-ignite-2019/

17. .NET Core 3.1 Preview 2
• 3.1 is LTS (final ship in Dec)
• Support for C++/CLI aka Managed C++ on Windows
• Available in VS 2019 16.4 Preview 3
• Or Visual Studio for Mac 8.4 Preview 3

18. .NET Core with Jupyter Notebooks
• Support for C# or F#
• Plotting
• Display Output
• ML.NET
• .NET for Apache Spark
https://devblogs.microsoft.com/dotnet/net-core-with-juypter-notebooks-is-here-preview-1/

19. ML.NET 1.4 & Model Builder Updates
• Image Classification based on Tensorflow
https://devblogs.microsoft.com/dotnet/model-builder-updates-mlnet/
https://devblogs.microsoft.com/dotnet/announcing-ml-net-1-4-global-availability-machine-learning-for-net/

20. Visual Studio Online
• Provides managed, on-demand development environments
that can be used for long-term projects, to quickly prototype a
new feature, or for short-term tasks like reviewing pull
requests.
https://devblogs.microsoft.com/visualstudio/announcing-visual-studio-online-public-preview/

21. Azure Stuff
• Write Azure Functions … with .NET Core 3 … and PowerShell!
• App Service – managed certificates
• Azure App Configuration
• Durable Functions 2.0
• Azure SDKs

22. • Time for the main talk!