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Embracing nullable reference types

Probably the most impactful feature of C# 8.0 is Nullable Reference Types (NRTs). It lets you make the flow of nulls explicit in your code, and warns you when you don't act according to intent. The NRT feature holds you to a higher standard on how you deal with nulls, and as such it issues new warnings on existing code. So that those warnings...

.NET Framework November 2019 Preview of Quality Rollup

Today, we are releasing the November 2019 Preview of Quality Rollup Quality and Reliability This release contains the following quality and reliability improvements for .NET Framework for Windows 8.1, Server 2012 R2, Server 2012, Windows 7 SP1, Server 2008 R2 SP1 and Server 2008 SP2. Following this recent announcement, there are no optional ...
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.NET Core November 2019 Updates – 2.1.14, 2.2.8, and 3.0.1

Today, we are releasing the .NET Core November 2019 Update. These updates only contain non-security fixes. See the individual release notes for details on updated packages. NOTE: If you are a Visual Studio user, there are MSBuild version requirements so use only the .NET Core SDK supported for each Visual Studio version. Information needed to...


ASP.NET Core 3.0 adds support for gRPC, an opinionated contract-first remote procedure call framework. This blog post compares gRPC to JSON HTTP APIs, discusses gRPC's strengths and weaknesses, and when you could use gRPC to build your apps.

Announcing .NET Core 3.1 Preview 3

Today, we're announcing .NET Core 3.1 Preview 3. .NET Core 3.1 is a small and short 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. We are coming near the end of the 3.1 release and expect to release it in early December. You can download...

.NET Framework November 13, 2019, Update for .NET Framework 4.8

Today, we released an update for .NET Framework 4.8 to Microsoft Update Catalog. Quality and Reliability This release contains the following reliability improvement. CLR1 1 Common Language Runtime (CLR) Known Issues in this update There are no known issues with this update, however, this update resolves a previous known issue. These...

ML.NET Model Builder Updates

ML.NET is a cross-platform, machine learning framework for .NET developers, and Model Builder is the UI tooling in Visual Studio that uses Automated Machine Learning (AutoML) to easily allow you to train and consume custom ML.NET models.

.NET Framework Repair Tool

Today, we are announcing an update to .NET Framework Repair tool. In case you are not familiar with previous releases of this tool, here is a bit of background. Occasionally, some customers will run into issues when deploying a .NET Framework release or its updates and the issue may not be fixed from within the setup itself. In such cases, ...