.NET Blog

.NET Framework September 2020 Cumulative Update Preview Update

Tara OverfieldSeptember 16, 2020Sep 16, 202009/16/20

The September 16, 2020 update includes cumulative reliability improvements in .NET Framework 3.5, 4.7.2 and 4.8. We recommend that you apply this update as part of your regular maintenance routines.

The future of .NET Standard

Immo LandwerthSeptember 15, 2020Sep 15, 202009/15/20

Since .NET 5 was announced, many of you have asked what this means for .NET Standard and whether it will still be relevant. In this post, I'm going to explain how .NET 5 improves code sharing and replaces .NET Standard. I'll also cover the cases where you still need .NET Standard.

Announcing Entity Framework Core (EFCore) 5.0 RC1

Jeremy LiknessSeptember 14, 2020Sep 14, 202009/14/20

Announcing Entity Framework EFCore 5.0 RC1, a "go-live" supported release. This release includes new features like many-to-many, property bags, event counters, required 1:1 dependents and the ability to intercept SaveChanges and listen to save events. It also includes improvements to model-building, migrations, and more.

Announcing .NET 5.0 RC 1

Rich Lander [MSFT]September 13, 2020Sep 13, 202009/13/20

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

Rahul Bhandari (MSFT)September 8, 2020Sep 8, 202009/8/20

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

Tara OverfieldSeptember 8, 2020Sep 8, 202009/8/20

Today, we are releasing the September 2020 Security and Quality Rollup Updates for .NET Framework. Security ClickOnce will no longer download applications from untrusted servers which use NTLM authentication, but, instead, will fail with “Authentication failed”. Sites in the Local Intranet and Trusted sites zones will continue to ...

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

Tara OverfieldSeptember 3, 2020Sep 3, 202009/3/20

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

Tim HeuerSeptember 2, 2020Sep 2, 202009/2/20

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.

Customizing Trimming in .NET 5

Sam SpencerSeptember 2, 2020Sep 2, 202009/2/20

This second post on app trimming goes into more detail about to annotate code to control the trimming process.

ARM64 Performance in .NET 5

Kunal PathakSeptember 2, 2020Sep 2, 202009/2/20

ARM64 performance work in .NET 5