![Sourabh Shirhatti [MSFT]](https://devblogs.microsoft.com/dotnet/wp-content/uploads/sites/10/letter-avatar/9228d33c03603017171cd81a0ce66d32.svg){kind=avatar}
In .NET Core 3.0, we are introducing a suite of tools that utilize new features in the .NET runtime that make it easier to diagnose and solve performance problems. These runtime features help you answer some common diagnostic questions you may have: Is my application healthy? Often times an application can slowly start leaking ...
![Scott Hunter [MSFT]](https://devblogs.microsoft.com/dotnet/wp-content/uploads/sites/10/2019/02/scotthunter-1-150x150.png){kind=avatar}
We introduced .NET Core 1.0 on November 2014. The goal with .NET Core was to take the learning from our experience building, shipping and servicing .NET Framework over the previous 12 years and build a better product. Some examples of these improvements are side-by-side installations (you can install a new version and not worry about breaking exist...
![Rich Lander [MSFT]](https://devblogs.microsoft.com/dotnet/wp-content/uploads/sites/10/letter-avatar/cb895f2fa6fae6447bab144d4f3ec4b3.svg){kind=avatar}
Today, we are announcing .NET Core 3.0 Preview 5. It includes a new Json serializer, support for publishing single file executables, an update to runtime roll-forward, and changes in the BCL. If you missed it, check out the improvements we released in .NET Core 3.0 Preview 4, from last month. Download .NET Core 3.0 Preview 5 right now on Windows...
DockerCon 2019 is being held this week, in San Francisco. We posted a DockerCon 2018 update last year, and it is time to share how we've improved the experience of using .NET and Docker together over the last year. We have a group of .NET Core team members attending the conference again this year. Please reach out @ dotnet@microsoft.com if you w...
Today, we are announcing .NET Core 3.0 Preview 4. It includes a chart control for Windows Forms, HTTP/2 support, GC updates to use less memory, support for CPU limits with Docker, the addition of PowerShell in .NET Core SDK Docker container images, and other improvements. If you missed it, check out the improvements we released in .NET Core 3.0 Pre...
.NET Core 3.0 Preview 4 is now available and it includes a bunch of new updates to ASP.NET Core. Find out what's new in this latest preview release.
Today we are pleased to announce improved Razor tooling support in Visual Studio Code with the latest C# extension. This latest release includes improved Razor diagnostics and support for tag helpers and Blazor apps.
In .NET Core 3.0 we are introducing a new type of application template called Worker Service. This template is intended to give you a starting point for writing long running services in .NET Core. In this walkthrough you'll learn how to use a Worker with Azure Container Registry anAzure Container Instances to get your Worker running as a microservi...
Today, we are releasing the .NET Core April 2019 Update. These updates contain security and reliability fixes. See the individual release notes for details on included fixes. Security Microsoft Security Advisory CVE-2019-0815: ASP.NET Core Denial of Service Vulnerability A denial of service vulnerability exists in ASP.NET Core 2.2 wh...
We're excited to announce general availability of F# 4.6 and the F# tools for Visual Studio 2019! In this post, I'll show you how to get started, explain the F# 4.6 feature set, give you an update on the F# tools for Visual Studio, and talk about what we're doing next. F# 4.6 was developed entirely via an open RFC (requests for comments) process...
