High performance JSON APIs have been added, for reader/writer, object model and serialization scenarios.

myapp, depending on the operating system. Apps can now be launched with an app-specific executable, like myapp or. In past releases, apps needed to be launched via the dotnet command, like dotnet myapp.dll. NET Core apps now have executables by default. The Windows Forms designer is still in preview and available as a VSIX download. The WPF designer is part of Visual Studio 2019 16.3. NET Core, for both Windows Forms and WPF (and open source).

Windows Desktop apps are now supported with.

NET Core and Xamarin.NET Standard 2.1 includes types since. NET Standard 2.1 increases the set of types you can use in code that can be used with both. It also includes support for LangVersion, and ships with nameof and opening of static classes in preview.

F# 4.7 focuses on making some thing easier with implicit yield expressions and some syntax relaxations.

The lowest layer of the framework libraries has been annotated, so that you know when to expect null. Nullable enables you to directly target the flaws in code that lead to NullReferenceException.

C# 8 add async streams, range/index, more patterns, and nullable reference types.

Performance is greatly improved across many components and is described in detail at Performance Improvements in.

Many other Microsoft teams will soon be deploying large workloads on. NET Core 3.0 is already battle-tested by being hosted for months at dot.net and on. There are some key improvements and guidance that are important to draw attention to before we go into a deep dive on all the new features in. Note: There are some contributors missing from the contributor list. NET Core 3.0! Hundreds of people were involved in making this release happen, including major contributions from the community. Thank you to everyone that contributed to. NET Core by simply upgrading Visual Studio 2019 16.3. NET Core 3.0 with Visual Studio.NET Core 3.0 is part of Visual Studio 2019 16.3. Visual Studio 2019 16.3 and Visual Studio for Mac 8.3 were also released today and are required update to use.

NET Core 3.0, for Windows, macOS, and Linux:ĪSP.NET Core 3.0 and EF Core 3.0 are also releasing today. Watch the team and the community talk about. The release is compatible with previous versions, making updating easy.

You can start updating existing projects to target. F# 4.7 is included, and focused on relaxing syntax and targeting. C# 8 is also part of this release, which includes nullable, async streams, and more patterns. It includes many improvements, including adding Windows Forms and WPF, adding new JSON APIs, support for ARM64 and improving performance across the board. We’re excited to announce the release of.

Picture doctor 3.0