.NET Blog

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Announcing .NET 5.0 RC 1

Today, we are shipping .NET 5.0 Release Candidate 1 (RC1). It is a near-final release of .NET 5.0, and the first of two RCs before the official release in November. RC1 is a "go live" release; you are supported using it in production. At this point, we're looking for reports of any remaining critical bugs that should be fixed before the final ...

.NET Core September 2020 Updates – 2.1.22 and 3.1.8

Today, we are releasing the .NET Core September 2020 Update. These updates contain security and reliability fixes. See the individual release notes for details on updated packages. Security CVE-2020-1045: ASP.NET Core Security Feature Bypass Vulnerability Microsoft is releasing this security advisory to provide information about a ...

.NET Framework September 2020 Security and Quality Rollup Updates

Revised 6/8/2021: On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline” error that may occur during installation. If you've already installed a previous release of this update, no action is required. Revised 4/15/2021: On April 13th, 2021, this update was released to ...

Free e-book: Blazor for ASP.NET Web Forms Developers

Announcing the release of our new e-book: Blazor for ASP.NET Web Forms developers. This book caters specifically to ASP.NET Web Forms developers looking for guidelines and strategies for migrating their existing apps to a modern, open-source, and cross-platform web framework.

.NET Framework September 3, 2020 Cumulative Update Preview for Windows 10 2004 and Windows Server, version 2004

Today, we are releasing the September 3, 2020 Cumulative Update Preview Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. CLR1 - Addresses an issue with a crash on COM interop to properly return the hresult for the Out of Memory Exception - Addresses an issue in ...

.NET CLI Templates in Visual Studio

If you are a template author for .NET Core templates and have been wanting to show up for Visual Studio users as well with little effort we have enabled a new preview feature for you! Visual Studio now has an option in preview to enable CLI-installed .NET Core templates to display as options in the New Project Dialog experience.

Improvements in native code interop in .NET 5.0

In this post, we discuss interop improvements in .NET 5.0 and describe some of the work we are considering for the future. We also have a survey on GitHub, where we hope to hear about your experiences in the interop space.