Microsoft Releases .Net Core 3.0 Preview 7 (1)

1
On July 23rd, 2019, a couple of weeks back,
Microsoft announced .Net Core 3.0 Preview 7. You
can download it here. It consists of new features
that are an upgradation of the previous release.
In the next few releases, you can expect
Microsoft to focus its attention on quality. To
create high-quality web solutions, contact a
professional .Net development company that can
aid you with supreme .Net application development
services.
2

• You can use this new version on Windows, Linux,
  and macOS. On top of this, ASP.Net Core and EF
  Core have also released their respective updates
  on the same day. In case you are employing Visual
  Studio, you will need Visual Studio 2019 16.3
  Preview 1 to effectively utilize .NET Core 3.0
  Preview 7.
• Even the Microsoft .NET Site has been upgraded to
  meet the compatability of .NET Core 3.0 Preview
  7. You can successfully run it on Preview 7 for
  more than two weeks on Azure Webapps in the form
  of a self-contained app. You will see the site
  being transitioned to Preview 8 build in a few
  weeks time.
• In case you missed out on the enhancements
  released in .NET Core 3.0 Preview 6, click here.
  Also, check out June Update on WPF, here. Both of
  these are updates from June 2019.

3

• Microsoft comprehensively supports .NET Core 3.0
  Preview 7. You can utilize it in the production
  phase. But, we recommend you to test your app
  while running on preview 7 before deploying it
  into production. In case there is any issue with
  .Net Core 3.0, please contact Microsoft support
  or file a Github issue.
• Some changes are anticipated after preview 7 for
  most APIs. Some of the noteworthy exceptions are
  Entity Framework, Windows Forms, Blazor, and WPF.
  Microsoft is still working on the compatibility
  with .Net Core 1.x and 2.x apps. You can now
  directly upgrade existing apps to .Net Core 3.0.
• As far as the size is concerned, the .NET Core
  SDK is comparatively smaller than .NET Core 3.0.
  The reason for that is the way it has been
  constructed has undergone a drastic change. In
  the latest version, it uses purpose-built packs
  of different kinds. These include frameworks,
  reference

4

• assemblies, and templates. While in the previous
  version, i.e., .NET Core 2.2, the SDK was
  constructed from NuGet packages. This encompassed
  various artifacts that were not essential,
  resulting in wastage of lots of space.
• NET Core 3.0 SDK Size (size change in brackets)

5

• As you can see from the chart provided above, the
  size enhancements for Linux and macOS are
  massive. On the contrary, the enhancement for
  Windows is smaller. The reason for that is, it
  has integrated Windows Forms and WPF as a part of
  .NET Core 3.0. Also, its installer is smaller
  compared to the other two.
• The same benefits can be observed with .NET Core
  SDK Docker images. In the below-mentioned chart,
  it is limited to x64 Debian and Alpine.

6

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