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Latest posts
Upcoming SameSite Cookie Changes in ASP.NET and ASP.NET Core
SameSite is a 2016 extension to HTTP cookies intended to mitigate cross site request forgery (CSRF). The original design was an opt-in feature which could be used by adding a new SameSite property to cookies. It had two values, Lax and Strict. Setting the value to Lax indicated the cookie should be sent on navigation within the same site, or through GET navigation to your site from other sites. A value of Strict limited the cookie to requests which only originated from the same site. Not setting the property at all placed no restrictions on how the cookie flowed in requests. OpenIdConnect authentication operation...
Fall .NET Core Survey
It’s been a busy time for .NET Core – we just shipped 3.0, and are currently working on a few updates for v3.1 (due in November.) As we turn our attention to .NET Core 5.0, we want to take a step back and see what you are doing with .NET Core and how we can make it even better. We have put together a quick survey that will help us understand our customer base a bit better, how you are using .NET core, and what we can do to improve it. So please head over to Survey Monkey and help shape the future of .NET Core. Surveys help give us a breadth view of .NET Core users, but we also want to understand in more depth w...
.NET Framework October 2019 Preview of Quality Rollup
Today, we are releasing the October 2019 Preview of Quality Rollup and Cumulative Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. ASP.NET CLR1 Windows Forms WPF2 1 Common Language Runtime (CLR) 2 Windows Presentation Foundation (WPF) Known Issues in this update Symptoms After applying this October 15th Preview of Quality Rollup for .NET Framework 4.8, some ClickOnce applications and applications creating the default AppDomain with a restricted permission set may observe application launch or application...
ASP.NET Core updates in .NET Core 3.1 Preview 1
.NET Core 3.1 Preview 1 is now available! Check out what's new in ASP.NET Core in this release.
Announcing .NET Core 3.1 Preview 1
![Rich Lander [MSFT]](https://devblogs.microsoft.com/dotnet/wp-content/uploads/sites/10/letter-avatar/95d8eb524d074c0839d4fae3c3055e7c.svg){kind=avatar}
Today, we're announcing .NET Core 3.1 Preview 1. .NET Core 3.1 will be a small release focused on key improvements in Blazor and Windows desktop, the two big additions in .NET Core 3.0. It will be a long term support (LTS) release with an expected final ship date of December 2019. You can download .NET Core 3.1 Preview 1 on Windows, macOS, and Linux. ASP.NET Core and EF Core are also releasing updates today. Visual Studio 16.4 Preview 2 and is also releasing today. It is a recommended update to use .NET Core 3.1 Preview 1. Visual Studio 16.4 includes .NET Core 3.1, so just updating Visual Studio will give...
Blazor Server in .NET Core 3.0 scenarios and performance
Blazor Server in .NET Core 3.0 enables you to add rich interactive UI to your .NET apps without having to write JavaScript. Learn about when to use Blazor Server, how it scales, how it relates to Blazor WebAssembly, and how we expect to evolve Blazor in the future.
.NET Framework October 2019 Security and Quality Rollup
Today, we are releasing the October 2019 Security and Quality Rollup and Cumulative Updates for .NET Framework. Security No new security fixes. See September 2019 Security and Quality Rollup for the latest security updates. Quality and Reliability This release contains the following quality and reliability improvements. BCL1 CLR2 WPF3 1 Base Class Library (BCL) 2 Common Language Runtime (CLR) 3 Windows Presentation Foundation (WPF) Getting the Update The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog. Microsoft Up...
Introducing .NET Core Windows Forms Designer Preview 1
Introducing .NET Core Windows Forms Designer Preview 1 We just released a GA version of .NET Core 3.0 that includes support for Windows Forms and WPF. And along with that release we're happy to announce the first preview version of the Windows Forms Designer for .NET Core projects! For developers the .NET Core Windows Forms Designer (when we will release the GA version) will look and feel the same as the .NET Framework Windows Forms Designer. But for us it is a huge technical challenge to bring the designer to .NET Core because it requires the design surface that hosts the live .NET Core form to run outside t...
Deprecating packages on nuget.org
We are excited to announce that nuget.org now supports package deprecation. This has been a long standing ask that will help the ecosystem use supported packages. As a package publisher on nuget.org, you can now deprecate packages that are obsolete, legacy, or buggy. You can also suggest an alternate package to your deprecated package. This lets you guide your packages' consumers to the latest and greatest package. Unlisting vs. Deprecating packages Package deprecation is different than unlisting your package as explained below: Deprecating and Un-deprecating packages Package deprecation is easy. Just fo...