Dot-net-for-apache-spark

How to deploy .NET Aspire apps to Azure Container Apps

Let's take a look at how you can easily deploy .NET Aspire Apps to Azure Container Apps with just a few commands with the Azure Developer CLI!

Microsoft Office’s RTC (Real-Time Channel) migration to modern .NET

Real-Time Channel is Microsoft Office Online's service that powers real time collaboration and coauthoring. This blog post describes the journey to migrate the service from .NET Framework to modern .NET.

Introducing the MSTest Runner – CLI, Visual Studio, & More

MSTest runner is a new, light-weight and portable runner for MSTest tests available in the .NET CLI, Visual Studio, and more!

.NET Framework January 2024 Cumulative Update Preview

January 2024 Cumulative Update Preview Updates for .NET Framework.

Sortable Lists for Blazor using a SortableJS Component

Blazor Sortable is a new a open source community Blazor component for creating sortable lists of items using SortableJS.

.NET Framework January 2024 Security and Quality Rollup

January 2024 Security and Quality Rollup Updates for .NET Framework

.NET January 2024 Updates – .NET 8.0.1, 7.0.15, .NET 6.0.26

Check out latest Janaury 2024 updates for .NET 7.0 and .NET 6.0

Announcing the Azure Migrate application and code assessment tool for .NET

The new tool to help you move your .NET applications from on-premises to Azure is available in Visual Studio Marketplace and as a .NET CLI tool!

Safer recursion in F#

Tail recursion is a new F# compiler feature which helps to avoid stack overflows.

What’s New in Our Code Coverage Tooling?

Discover enhanced code coverage tools with better platform support, new report formats and improved performance.

Announcing .NET Aspire Preview 2

.NET Aspire Preview 2 is now available and includes many improvements and new capabilities.

Announcing the HackTogether: The Great .NET 8 Hack Winners

Thank you for all the wonderful submissions, and now we've picked the best of the best for the winners of the Great .NET 8 Hack!

Hardware Intrinsics in .NET 8

.NET 8 includes significant improvements to the Hardware Intrinsics feature.

.NET Conf 2023 Recap – Celebrating Community, Innovation, and the Launch of .NET 8

.NET Conf 2023 is over, but you can re-live the largest .NET event of the year with full access to video recordings, slides, demos, and more.

.NET 8 Networking Improvements

Introducing new networking features in .NET 8 including HTTP space, metrics, sockets and more!

Learn .NET 8 with New Beginner Videos

Beginner videos for C#, .NET, AI, NuGet, Visual Studio, VS Code, C# Dev Kit, Blazor Hybrid, IoT, and upgrading .NET applications with .NET 8!

.NET Framework October 2023 Cumulative Update Preview

Today, we are releasing the October 2023 Cumulative Update Preview for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. WPF1 Addresses an issue to provide an appconfig mechanism to allow users to extend the list of allowed types in case of XAML/XPS parsing.

Building 3D Applications and Content with .NET MAUI and Evergine

See how you can leverage Evergine to build 3D applications and content in .NET MAUI with just a few lines of code!

Performance Improvements in ASP.NET Core 8

In this post we will explore some of the new features and enhancements that make ASP.NET Core 8 faster and more efficient than ever before.

.NET Framework October 2023 Security and Quality Rollup Updates

A recap of the latest Security and Quality Rollup for .NET Framework for October 2023.

Overhauled F# code fixes in Visual Studio

F# code fixes are now more performant, correct, and testable.

Announcing .NET 8 Release Candidate 2

.NET 8 RC2 is now available with new NuGet package READMEs for .NET packages, simple CLI-based project evaluation for MSBuild, publishing containers to tar.gz archives, and Tensor Primitives for .NET.

EF Core 8 Release Candidate 2: Smaller features in EF8

A tour through some of the smaller features release in Entity Framework Core 8 (EF8) RC 2.

Announcing a new version of the .NET Upgrade Assistant with support for .NET MAUI and Azure Functions!

The new version of .NET Upgrade Assistant is available in Visual Studio Marketplace with lots of updates and new features!

Announcing .NET Community Toolkit 8.2! Faster generators, code fixers, performance improvements and more!

Announcing the official release of the .NET Community Toolkit 8.2, with even faster MVVM source generators, new code fixers, and more!

.NET Framework April 2023 Cumulative Update Preview Updates

April 2023 Cumulative Update Preview Updates for .NET Framework

Let’s Learn .NET Virtual Events – All Around the World

Part of what makes .NET amazing is the global community of developers who use it, and we're bringing more content localized for developers around the world!

Join the .NET Team at Microsoft Build 2023!

Are you ready for Build 2023? Microsoft's premier developer conference is just around the corner, and there are several exciting .NET sessions that you won't want to miss!

Running non-root .NET containers with Kubernetes

Learn how to run .NET containers in Kubernetes as a non-root user.

Get started with OpenAI in .NET

Learn how to get started using OpenAI models like GPT with .NET and the Azure SDK

Check out new C# 12 preview features!

The first set of C# 12 features are here in preview including primary constructors, using aliases, and lambda expression parameters.

Improvements to auth and identity in ASP.NET Core 8

The ASP.NET Core team shares their plans to improve authentication, authorization, and identity management in .NET 8.

ASP.NET Core Route Tooling Enhancements in .NET 8

Route tooling is a group of new features in .NET 8 that makes ASP.NET Core routing easier to use. Check out what route tooling adds to building ASP.NET Core apps.

Improving multi-platform container support

Learn how to build containers for multiple architectures, including building containers on Apple M1 machines for an x64 cloud.

Create a portfolio website without installing any tools

Create, customize, and deploy your own portfolio website in minutes without installing any tools.

Discover .NET 7 SDK Containers – Support for Authentication and Cross-architecture Builds

Learn about updates to the .NET SDK built-in containerization support in 7.0.200, including authentication to remote registries and support for multiple OS platforms.

Secure your .NET cloud apps with rootless Linux Containers

Learn about patterns for securing your containers with a non-root user, and changes to .NET container images in .NET 8 to enable this behavior.

.NET Performance Delivers Again for Bing, From .NET 5 to .NET 7

.NET has continued to deliver significant performance gains for Bing through multiple releases.

File and Folder dialogs in .NET MAUI with CommunityToolkit

Effortlessly incorporate file system dialogs in your .NET MAUI applications.

Announcing: Azure Developers – .NET Day

Join us on April 5th for a full day of online training and discover the latest services and features in Azure designed specifically for .NET developers.

How Async/Await Really Works in C#

Async/await was added to the C# language over a decade ago and has transformed how we write scalable code for .NET. But how does it really work? In this post, we take a deep dive into its internals.

.NET January 2023 Updates – .NET 7.0.2, .NET 6.0.13

Check out January 2023 updates for .NET 7.0. and .NET 6.0

Top .NET Videos & Live Streams of 2022

Let's take a look at the top .NET videos and live streams from the .NET team in 2022!

Top .NET Blog Posts of 2022

Let's take a look back at the top .NET blogs posts from 2022!

Accelerate ML.NET training with Intel oneDAL

The first preview release of ML.NET 3.0 brings training hardware acceleration improvements powered by Intel oneDAL.

Build Your Own Podcast App with .NET 7, Blazor, and .NET MAUI

The .NET Podcast app is a sample application showcasing .NET, ASP.NET Core, Blazor, .NET MAUI, Azure Container Apps, Orleans, and more. Pull down the source code and explore the architecture today.

.NET Framework December 2022 Security and Quality Rollup Updates

December 2022 Security and Quality Rollup Updates for .NET Framework

.NET December 2022 Updates – .NET 7.0.1, .NET 6.0.12, .NET Core 3.1.32

Check out December updates for .NET 7.0., .NET 6.0, and .NET Core 3.1

Polyglot Notebooks – Now with .NET 7, C# 11, and F# 7 Support!

The December 2022 release of the Polyglot Notebooks extension for Visual Studio Code is now available. This release includes upgrades to .NET 7, support for C# 11 and F# 7, and improvements to the SQL and KQL kernel experience!

.NET 7 Networking Improvements

Introducing new networking features in .NET 7 including HTTP space, new QUIC APIs, security, WebSockets, and more!

Migrating from ASP.NET to ASP.NET Core with Project Migrations Part 5

In this post we discuss updates to the Project Migrations tool for incrementally migrating ASP.NET apps to ASP.NET Core.

Custom Controls for WinForm’s Out-Of-Process Designer

A rich user control ecosystem has always been one of the most important WinForms success guarantors. While the runtime support for Custom Controls remains unchanged, there are breaking changes with the design time support for the new Windows Forms (WinForms) .NET Designer.

What’s new in the .NET MAUI Community Toolkit

Check out what's new in the latest .NET MAUI Community Toolkit releases.

What’s new in System.Text.Json in .NET 7

An overview of all .NET 7 features in System.Text.Json

Announcing .NET MAUI support for Xcode 14 and iOS 16

.NET MAUI now supports Xcode 14 and iOS 16

ASP.NET Core updates in .NET 7 Release Candidate 2

.NET 7 Release Candidate 2 is now available! Check out what's new in ASP.NET Core in this update.

Announcing .NET 7 Release Candidate 2

.NET 7 Release Candidate 2 is the second of two release candidates that developers can now use in production. This post recaps major features included in the fastest .NET version to date.

Announcing Entity Framework Core 7 RC2: JSON Columns

Announcing EF Core 7 (EF7) RC2 featuring JSON column mapping

.NET October 2022 Updates – .NET 6.0.10 and .NET Core 3.1.30

Check out October updates for .NET 6.0 and .NET Core 3.1

.NET Framework October 2022 Security and Quality Rollup

October 2022 Security and Quality Rollup for .NET Framework

Console.ReadKey improvements in .NET 7

.NET continues to improve its Unix/Linux support in .NET 7. One of the aspects that was improved in RC1 was Console.ReadKey, which has been rewritten from scratch.

Bing Ads Campaign Platform – Journey to .NET 6

Bing Ads Campaign Platform - our journey migrating a large .NET Framework codebase to .NET 6.

Authentication for .NET MAUI Apps with MSAL.NET

Learn how to easily add authentication to your .NET MAUI applications with the latest version of the MSAL.NET library!

Migrating from ASP.NET to ASP.NET Core (Part 4)

In this post we discuss updates to the Project Migrations tool for incrementally migrating ASP.NET apps to ASP.NET Core.

Experimental WebTransport over HTTP/3 support in Kestrel

ASP.NET Core now has experimental support for WebTransport over HTTP/3, a new secure multiplexed transport protocol for the web. Learn how to try out this new transport protocol in your app.

Microsoft Teams’ Infrastructure and Azure Communication Services’ Journey to .NET 6

Microsoft Teams’ infrastructure team, or Intelligent Conversation and Communications Cloud (IC3), aspires to be the industry leading platform with reliable and high-quality audio and video calling, meetings, and chat experiences that work any time, from anywhere, on any device. A key element of our platform evolution is the migration from .NET Framework to the latest version of .NET LTS, currently .NET 6.

Microsoft Commerce’s .NET 6 Migration Journey

Microsoft Commerce is a diverse set of services and has made the journey to .NET 6 from .NET Framework.Here are some tips, tricks, and results.

Use .NET from any JavaScript app in .NET 7

Port of the famous TodoMVC to .NET on WASM. Showcase of the JavaScript interop and running .NET in the browser, with or without Blazor.

ASP.NET Core updates in .NET 7 Release Candidate 1

.NET 7 Release Candidate 1 is now available! Check out what's new in ASP.NET Core in this update.

Announcing .NET 7 Release Candidate 1

Announcing .NET 7 Release Candidate 1, the fastest .NET release to date. Learn about its cloud native and multi-platform features.

Announcing Entity Framework 7 Release Candidate 1

EF7 RC1 is released and includes top requested features from JSON column support to bulk updates and stored procedure mapping.

Announcing Entity Framework 7 Release Candidate 1

EF7 RC1 is released and includes top requested features from JSON column support to bulk updates and stored procedure mapping.

Microsoft Teams Assignments Service’s Journey to .NET 6

The Assignments and Grades features in Teams have seen exponential growth in usage as schools around the world have undergone a digital transformation. To better meet the needs of teachers and students, we have recently migrated our backend service to .NET 6.

.NET Framework September 2022 Security and Quality Rollup

September 2022 Security and Quality Rollup for .NET Framework

.NET September 2022 Updates – .NET 6.0.9 and .NET Core 3.1.29

Check out September updates for .NET 6.0 and .NET Core 3.1

Arm64 Performance Improvements in .NET 7

.NET 7 introduces a plethora of performance improvements for developers including developers targeting Arm64 devices. In this blog I break down everything you need to know about the improvements in .NET 7.

.NET now on Windows Package Manager

.NET is now available to install through the Windows Package Manager (Winget). Read all about how what it is, how to install, and more.

Migrating from ASP.NET to ASP.NET Core in Visual Studio

In this post we introduce a new tool that will assist in incrementally migrating ASP.NET (.NET Framework) project to ASP.NET Core

Announcing the .NET MAUI Beautiful UI Challenge

.NET MAUI community challenge featuring Snppts and Good Looking UI community run repos! Simply submit to be eligible for swag!

.NET Framework July 2022 Cumulative Update Preview

July 2022 Cumulative Update Preview Updates for .NET Framework

Announcing .NET Conf – Focus on .NET MAUI, Reactor, and Community Events

Ready to get building with .NET MAUI? Join us for .NET Conf - Focus on MAUI, worldwide Reactor events, and local community event opportunities.

Customizing Controls in .NET MAUI

Let's look at how to customize .NET MAUI controls.

Announcing Rate Limiting for .NET

Announcing built-in Rate Limiting support in .NET 7. Rate limiting provides a way to protect a resource to avoid overwhelming your app.

.NET Framework July 2022 Security and Quality Rollup Updates

July 2022 Security and Quality Rollup Updates for .NET Framework

Announcing .NET 7 Preview 6

.NET 7 Preview 6 is now available with improvements to type converters, JSON contract customization, System.Formats.Tar API updates, constraints to .NET template authoring, and performance enhancements in the CodeGen area.

ASP.NET Core updates in .NET 7 Preview 6

.NET 7 Preview 6 is now available! Check out what's new in ASP.NET Core in this update.

Announcing Entity Framework Core 7 Preview 6: Performance Edition

Announcing EF7 Preview 6 with update performance optimizations

Announcing Entity Framework Core 7 Preview 6: Performance Edition

Announcing Entity Framework Core 7 Preview 6 with update performance optimizations.

.NET Core 3.1 will reach End of Support on December 13, 2022

.NET Core 3.1 will reach end of support on December 13, 2022, this blog breaks down all the valuable information you need to know and how to update to .NET 6.0.

.NET July 2022 Updates – .NET 6.0.7 and .NET Core 3.1.27

Check out July updates for .NET 6.0 and .NET Core 3.1

CoreWCF 1.1.0 and project templates

The CoreWCF project, a WCF implementation for .NET Core, has released a 1.1 update. Project templates are now available for creating projects from Visual Studio or the command line.

Getting Started with DevOps and .NET MAUI

Want to add DevOps to your .NET MAUI project? This post shows how to implement a starter pipeline using GitHub Actions and Azure DevOps.

.NET Framework May 2022 Cumulative Update

We are releasing the May 2022 Cumulative Update Preview Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. WPF 1 Addresses an issue where DWM failures can cause WPF’s render thread to fail. An app can opt-in to the behavior of ignoring all DwmFlush errors by setting a regkey in HKCUSoftwareMicrosoftAvalon.GraphicsIgnoreDwmFlushErrors or HKLMSoftwareMicrosoftAvalon.GraphicsIgnoreDwmFlushErrors whose name is the full path to the .exe that wants to opt-in,

Introducing .NET MAUI – One Codebase, Many Platforms

Welcome to .NET Multi-platform App UI. This release marks a new milestone in our multi-year journey to unify the .NET platform. Now you and over 5 million other .NET developers have a first-class, cross-platform UI stack targeting Android, iOS, macOS, and Windows to complement the .NET toolchain (SDK) and base class library (BCL).

What’s new with ML.NET Automated ML (AutoML) and tooling

Check out what's new with ML.NET Automated ML (AutoML), tooling, and notebooks!

Announcing gRPC JSON transcoding for .NET

gRPC JSON transcoding is a new feature for .NET that allows gRPC services to be called with REST + JSON. Try it now in .NET 7 preview 4.

.NET MAUI Release Candidate 3

.NET MAUI Release Candidate 3 is now available with dozens of bug fixes and quality improvements. We also take a look at navigating with Shell.

Announcing Entity Framework 7 Preview 4

Announcing the release of EF7 Preview 4 and DDD-friendly value converters for value generators.

ASP.NET Core updates in .NET 7 Preview 4

.NET 7 Preview 4 is now available! Check out what's new in ASP.NET Core in this update.

Announcing .NET 7 Preview 4

.NET 7 Preview 4 is now available with enhancements to the OpenTelemetry implementation, date and time, cache metrics, on stack replacement (OSR) and regular expressions.

.NET May 2022 Updates – .NET 6.0.5, .NET 5.0.17 and, .NET Core 3.1.25

Check out May updates for .NET 6.0, .NET 5.0, and .NET Core 3.1

.NET Framework May 2022 Security and Quality Rollup

We are releasing the May 2022 Security and Quality Rollup Updates for .NET Framework.

Upgrading a WCF service to .NET 6 with CoreWCF

Let's take a look at how to upgrade a sample WCF service from .NET Framework to .NET 6 using CoreWCF!

CoreWCF 1.0 has been Released, WCF for .NET Core and .NET 5+

CoreWCF 1.0 has been released, the first major release of the project, and provides WCF functionality for .NET Core, .NET Framework and .NET 5+.

.NET MAUI Release Candidate 2 – With 100% More Tizen

.NET MAUI Release Candidate 2 is now available with dozens of bug fixes full support for Tizen. Get started today to build app for Android, Windows, iOS, and macOS.

.NET Framework April 2022 Cumulative Update Preview

We have released the April 2022 Cumulative Update Preview for .NET Framework with several quality and reliability improvements.

C# 11 Preview Updates – Raw string literals, UTF-8 and more!

C# 11 features are coming along nicely and the most recent release features all sorts of goodies including updates to string literals, pattern matching, checked user-defined operators, and an update on !!.

Announcing Entity Framework Core 7 (EF7) Preview 3

Announcing the release of EF7 Preview 3 and custom database-first scaffolding with T4 templates.

.NET April 2022 Updates – .NET 6.0.4, .NET 5.0.16 and, .NET 3.1.24

Check out April updates for .NET 6.0, .NET 5.0, and .NET Core 3.1.

.NET Framework April 2022 Security and Quality Rollup Updates

We are releasing the April 2022 Security and Quality Rollup Updates for .NET Framework.

ASP.NET Core updates in .NET 7 Preview 3

.NET 7 Preview 3 is here and adds some great new features to ASP.NET Core including support for route handler filters in minimal APIs, improved unit testability for minimal route handlers, performance enhancements, and more.

Go To Definition improvements for external source in Roslyn

An in depth look at improvements to Go To Definition, allowing you to navigate to source code that isn't in your current solution.

ASP.NET Core updates in .NET 7 Preview 2

.NET 7 Preview 2 is now available and includes many great new improvements to ASP.NET Core. Here’s a summary of what’s new in this preview release: Infer API controller action parameters that come from services Dependency injection for SignalR hub methods Provide endpoint descriptions and summaries for minimal APIs Binding arrays and StringValues from headers and query strings in minimal APIs Customize the cookie consent value For more details on the ASP.NET Core work planned for .NET 7 see the full ASP.NET Core roadmap for .NET 7 on GitHub.

Announcing .NET 7 Preview 2 – The New, ‘New’ Experience

Today, we are glad to release .NET 7 Preview 2. The second preview of .NET 7 includes enhancements to RegEx source generators, progress moving NativeAOT from experimental status into the runtime, and a major set of improvements to the “dotnet new”

ASP.NET Core updates in .NET 7 Preview 1

.NET 7 Preview 1 is now available!. This is the first preview of the next major version of .NET, which will include the next wave of innovations for web development with ASP.NET Core. In .NET 7 we plan to make broad investments across ASP.NET Core.

Announcing .NET MAUI Preview 13

The 13th preview of .NET Multi-platform App UI is now available in Visual Studio 17.2 Preview 1. In addition to quality improvements, this release includes several implementations such as Label.FormattedText as we close in on feature complete for the upcoming release.

Announcing .NET MAUI Preview 12

.NET MAUI Preview 12 has shipped with lots of quality improvements, plus new features for Shell and dependency injection.

.NET 6 Networking Improvements

Introducing new networking features in .NET 6 in this blog post highlighting some of the changes and improvements.

MSBuild and 64-bit Visual Studio 2022

Learn how the Visual Studio’s shift to 64-bit means your builds in Visual Studio 2022 will run in a 64-bit MSBuild.

Announcing dotnet monitor in .NET 6

Announcing the first release of dotnet monitor, a diagnostics tool for .NET applications. This is the first supported release as a part of .NET 6.

Announcing YARP 1.0 Release

Announcing YARP 1.0, an open-source, highly customizable reverse proxy using .NET, which can be downloaded from NuGet.

Announcing .NET MAUI Preview 10

.NET MAUI Preview 10 includes a single installation experience with Windows App SDK, and new controls such as CollectionView and IndicatorView.

.NET November 2021 Updates – 5.0.12 and 3.1.21

Today, we are releasing the .NET November 2021 Updates. These updates contains reliability and other improvements. See the individual release notes for details on updated packages. You can download 5.0.12 and 3.1.21 versions for Windows, macOS, and Linux, for x86, x64,

Announcing .NET 6 — The Fastest .NET Yet

.NET 6 is now available. It is easier to use, runs faster, and has many new features.

Announcing ASP.NET Core in .NET 6

.NET 6 is now released! ASP.NET Core in .NET 6 includes everything you need to build rich modern web UI and powerful back-end services. What’s new? Here’s a sampling of the great new features and improvements in ASP.NET Core for .NET 6: Hot reload: Apply changes to Razor,

Introducing the .NET Tech Community Forums

Today, we are launching the .NET Tech Community for developers to have deep technical discussions, share how-tos, talk best practices, and more.

Build client web assets for your Razor Class Library

Learn how to integrate a build process for client web assets using tools like npm and webpack into the builds of your Razor Class Libraries.

.NET Hot Reload Support via CLI

Last week, our blog post and the removal of the Hot Reload capability from the .NET SDK repo led to a lot of feedback from the community. First and foremost, we want to apologize. We made a mistake in executing on our decision and took longer than expected to respond back to the community.

What’s new in F# 6

F# 6 is now a release candidate. Checkout all of the new features available in this release.

.NET Framework October 2021 Security and Quality Rollup

Yesterday, we released the October 2021 Security and Quality Rollup for .NET Framework. Security The October Security and Quality Rollup does not contain any new security fixes. See February 2021 Security and Quality Rollup for the latest security updates. Quality and Reliability This release contains the following quality and reliability improvements.

Announcing .NET 6 Release Candidate 2

.NET 6 Release Candidate 2 is now available.

Announcing .NET MAUI Preview 9

.NET Multi-platform App UI (MAUI) Preview 9 is available today with .NET 6 RC2 and in the preview channel of Visual Studio 2022 Preview 5. While much of the work in this preview is focused on completing and stabilizing the 50+ controls and layouts,

.NET September 2021 Updates – 5.0.10 and 3.1.19

Today, we are releasing the .NET September 2021 Updates. These updates contains reliability and other improvements. See the individual release notes for details on updated packages. You can download 5.0.10 and 3.1.19 versions for Windows, macOS, and Linux, for x86, x64,

Taking the EF Core Azure Cosmos DB Provider for a Test Drive

An overview of some enhancements to the Azure Cosmos DB provider for Entity Framework Core introduced in EF Core 6.0.

Introducing the .NET MAUI Community Toolkit (Preview)

Announcing the first preview release of the .NET MAUI Community Toolkit.

New .NET 6 APIs driven by the developer community

.NET 6 is on the way, and David wanted to share some of his favorite new APIs in NET and ASP.NET that you are going to love.

Performance Improvements in .NET 6

Take a rip-roarin' tour through hundreds of PRs worth of performance improvements for .NET 6.

Preview Features in .NET 6 – Generic Math

A preview of the new generic math and static abstracts in interfaces features with .NET 6.

String Interpolation in C# 10 and .NET 6

Learn about String Interpolation in C# 10 and .NET 6

Announcing .NET 6 Preview 7

.NET 6 Preview 7 is now available.

.NET August 2021 Updates – 5.0.9, 3.1.18, 2.1.29

Today, we are releasing the .NET August 2021 Updates. These updates contains reliability and other improvements. See the individual release notes for details on updated packages. You can download 5.0.9 , 3.1.18, 2.1.29 versions for Windows, macOS, and Linux, for x86,

.NET Framework August 2021 Security and Quality Rollup

Today, we are releasing the August 2021 Security and Quality Rollup Updates for .NET Framework. Security The June Security and Quality Rollup Update does not contain any new security fixes. See February 2021 Security and Quality Rollup for the latest security updates.

Tune in July 29 for .NET Conf: Focus on F#

The .NET Conf team is bringing you another “Focus” event this Thursday, July 29 all about F#. We have finalized the agenda, speakers, and hosts that will make the day educational and fun. Whether you are a beginner or seasoned F# programmer,

.NET Framework July 2021 Security and Quality Rollup

Yesterday, we released the July 2021 Security and Quality Rollup Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. ClickOnce Addresses a regression introduced in previous updates. We now honor WinTrust policy setting “Ignore timestamp revocation checks”

Announcing Entity Framework Core 6.0 Preview 6: Configure Conventions

Announcing Entity Framework Core 6.0 Preview 6. Learn about configure conventions and other new features that are available with preview 6.

Announcing .NET 6 Preview 6

We are happy to release .NET 6 Preview 6. Preview 6 is the second to last preview before we enter the RC period. There will be two RCs. This release itself is relatively small, while Preview 7 will be bigger. After that,

Announcing .NET MAUI Preview 6

.NET MAUI Preview 6 is now available with workload installation, support for gesture recognizers, modals, alerts, and the latest release of Windows App SDK.

.NET July 2021 Updates – 5.0.8 and 3.1.17

Today, we are releasing the .NET July 2021 Updates. These updates contains reliability and other improvements. See the individual release notes for details on updated packages. You can download 5.0.8 , 3.1.17 versions for Windows, macOS, and Linux, for x86, x64,

Announcing Entity Framework Core 6.0 Preview 5: Compiled Models

EF Core 6.0 preview 5 is ready to boost the performance of your Entity Framework apps with the new compiled models feature.

Announcing .NET 6 Preview 5

We are thrilled to release .NET 6 Preview 5. We’re now in the second-half of the .NET 6 release, and starting to see significant features coming together. A great example is .NET SDK Workloads, which is the foundation of our .NET unification vision and enables supporting more application types.

.NET Framework June 2021 Cumulative Update Preview

Today, we are releasing the June 2021 Cumulative Update Preview for .NET Framework for Windows 10, version 1809, Windows Server 2019, and Windows 10, version 1909. Quality and Reliability This release contains the following quality and reliability improvements. ClickOnce Addresses a regression introduced in previous updates.

Conversation about diagnostics

Conversation with .NET engineers about diagnostics, profiling and observability.

ML.NET Survey: Model Explainability

Take the ML.NET Model Explainability survey to let us know what you want to see in ML.NET for explainability and fairness.

.NET Framework June 2021 Security and Quality Rollup Updates

Today, we are releasing the June 2021 Security and Quality Rollup Updates for .NET Framework. Security The June Security and Quality Rollup Update does not contain any new security fixes. See February 2021 Security and Quality Rollup for the latest security updates.

.NET June 2021 Updates – 5.0.7 and 3.1.16

Today, we are releasing the .NET June 2021 Updates. These updates contains reliability and security improvements. See the individual release notes for details on updated packages. You can download 5.0.7 , 3.1.16 versions for Windows, macOS, and Linux, for x86, x64,

Date, Time, and Time Zone Enhancements in .NET 6

.NET 6 Preview 4 introduces DateOnly and TimeOnly structs and improves time zone support.

Conversation about .NET interop

Conversation with .NET engineers about native, language, and operating system interop.

Announcing .NET MAUI Preview 4

Today we are pleased to announce the availability of .NET Multi-platform App UI (.NET MAUI) Preview 4. Each preview introduces more controls and features to this multi-platform toolkit on our way to general availability this November at .NET Conf. .NET MAUI now has enough building blocks to build functional applications for all supported platforms,

Announcing .NET 6 Preview 4

We are delighted to release .NET 6 Preview 4. We’re now about half-way through the .NET 6 release. It’s a good moment to look again at the full scope of .NET 6, much like the first preview post. Many features are in close-to-final form and others will come soon now that the foundational building blocks are in place for the release.

Announcing .NET Multi-platform App UI Preview 3

Announcing .NET Multi-platform App UI updates in .NET 6 Preview 3, which includes the latest progress for mobile and desktop development.

ML.NET Survey: Machine Learning in .NET

Take the ML.NET survey to let us know what you want to see next for Machine Learning in .NET and talk with the team about your feedback.

Investigating a Linux CVE with .NET Images

We regularly get contacted for help in managing CVEs in Linux-based .NET images. In fact, we were contacted just this morning about CVE-2021-23840 and CVE-2021-23841. I investigated the CVE for that customer to help them understand their options. It occurred to me that this information would be helpful to a broader audience.

Announcing .NET 6 Preview 2

Releasing .NET 6 Preview 2 which includes new APIs, runtime performance improvements, and early builds of .NET MAUI.

Learn to build HTTP APIs with .NET

Whether you're new to .NET or an old pro, we've got a lot of fresh videos, tutorial, and documentation to help you learn how to build great HTTP APIs.

Tune in for .NET Conf: Focus on Windows, February 25th

The .NET Conf team is bringing you another “.NET Conf: Focus” event Thursday, February 25 all about building Windows desktop apps. We have finalized the agenda, speakers, and hosts that will make the day educational and fun. We have .NET and Windows team members along with community speakers and MVPs to show you some amazing things you can do.

Announcing .NET 6 Preview 1

.NET 6 Preview 1 is now available and is the start of the next major .NET release, focused on .NET unification and supporting new platforms.

.NET January 2021 Updates – 5.0.2, 3.1.11, 2.1.24

Today, we are releasing the .NET January 2021 Updates. These updates contains reliability and security improvements. See the individual release notes for details on updated packages. You can download 5.0.2 , 3.1.11, 2.1.24 versions for Windows, macOS, and Linux, for x86,

.NET Framework January Security and Quality Rollup Update

Today, we are releasing the January 2021 Security and Quality Rollup Updates for .NET Framework. Security The January Security and Quality Rollup Update does not contain any new security fixes. See October 2020 Security and Quality Rollup for the latest security updates.

Migrating RealProxy Usage to DispatchProxy

Learn how DispatchProxy and Castle.Core's DynamicProxy enable AOP paradigms in .NET 5. The `RealProxy` type is not available in .NET Core or .NET 5.

[Guest Post] Creating a game art asset pipeline in .NET

Check out how a game studio used .NET to create a game art asset pipeline.

Producing Packages with Source Link

Learn how to add Source Link to your packages, to make your users more productive while debugging.

Infer#: Interprocedural Memory Safety Analysis For C#

Announcing the public release of Infer#, which brings the interprocedural static analysis capabilities of Infer to the .NET community.

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

Yesterday, we are releasing the November 2020 Cumulative Update Preview for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. CLR1 Improved the clean-up process for X509Certificate2 certificates WPF2 Addressed an issue with a FailFast crash arising in apps with two threads that both load application resources.

.NET Framework November 2020 Cumulative Update Preview

Today, we are releasing the November 2020 Cumulative Update Preview for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. CLR Improved the clean-up process for X509Certificate2 certificates WPF2 Addressed an issue with a FailFast crash arising in apps with two threads that both load application resources.

Announcing F# 5

Today, we’re excited to announce the general availability of F# 5. It ships with .NET 5. We’ve been working on F# 5 for over the past year now, and we’re excited to share it with everyone. You can get F# 5 in the following ways: Install the latest .NET 5 SDK Install .NET for Jupyter/nteract Install .NET for VSCode Notebooks If you’re using Visual Studio on Windows,

Announcing .NET 5.0

We’re excited to release .NET 5.0 today and for you to start using it. It’s a major release — including C# 9 and F# 5 — with a broad set of new features and compelling improvements. It’s already in active use by teams at Microsoft and other companies,

Announcing the Release of EF Core 5.0

Announcing the release of EF Core 5.0, a full featured cross-platform library for data access supporting Many-to-Many, Table-per-Type & more.

Announcing Version 1.0 of .NET for Apache Spark

Today we announce the 1.0 release of .NET for Apache Spark, bringing the power of big data and the .NET ecosystem to .NET developers.

.NET Core October 2020 Updates – 2.1.23 and 3.1.9

Today, we are releasing the .NET Core October 2020 Update. These updates contains reliability and other non-security fixes. See the individual release notes for details on updated packages. Getting the Update .NET Core 3.1.9 and .NET Core SDK ( Download | Release Notes ) .NET Core 2.1.23 and .NET Core SDK ( Download | Release Notes ) See the .NET Core release notes for details on the release,

Announcing Entity Framework Core (EF Core) 5 RC2

Entity Framework Core EF Core 5.0 gets closer to a final release. RC2 is now available with bug fixes and a go-live license.

MLOps: DevOps for Machine Learning

Take the Survey for Machine Learning Operations (MLOps), it includes model deployment & management and data tracking, which helps productionizing ML models.

.NET Framework September 2020 Cumulative Update Preview Update

Today, we are releasing the September 2020 Cumulative Update Preview Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. ASP.NET Disabled resuse of AppPathModifier in ASP.Net control output. HttpCookie objects in the ASP.Net request context will be created with configured defaults for cookie flags instead instead of .Net.NET-style primitive defaults to match the behavior of `new HttpCookie(name)`.

Announcing Entity Framework Core (EFCore) 5.0 RC1

Announcing Entity Framework EFCore 5.0 RC1, a "go-live" supported release. This release includes new features such as many-to-many.

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.

.NET Framework September 2020 Security and Quality Rollup Updates

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 authenticate as before.

Customizing Trimming in .NET Core 5

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

ARM64 Performance in .NET 5

The .NET team has significantly improved performance with .NET 5, both generally and for ARM64. You can check out the general improvements in the excellent and detailed Performance Improvements in .NET 5 blog by Stephen. In this post, I will describe the performance improvements we made specifically for ARM64 and show the positive impact on the benchmarks we use.

Introducing the Half type!

The IEEE 754 specification defines many floating point types, including: binary16, binary32, binary64 and binary128. Most developers are familiar with binary32 (equivalent to float in C#) and binary64 (equivalent to double in C#). They provide a standard format to represent a wide range of values with a precision acceptable for many applications.

Automatically find latent bugs in your code with .NET 5

Introducing AnalysisLevel in the C# compiler to introduce warnings to patterns like common codingmistakes or common API misuse.

New C# Source Generator Samples

Phillip introduced C# Source Generators here. This post describes two new generators that we added to the samples project in the Roslyn SDK github repo. The first generator gives you strongly typed access to CSV data. The second one creates string constants based on Mustache specifications.

Help us improve Visual Studio project tooling for .NET Core

We’re currently planning our next set of investments in Visual Studio project tooling for .NET. This tooling, called a project system, sits at the heart of nearly every major action you perform when writing .NET code in Visual Studio. What is the .NET project system?

.NET Core August 2020 Updates – 2.1.21 and 3.1.7

Today, we are releasing the .NET Core August 2020 Update. These updates contain security and reliability fixes. See the individual release notes for details on updated packages. Security CVE-2020-1597: ASP.NET Core Denial of Service Vulnerability Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core.

Learn about the latest .NET Productivity features

The .NET Productivity team (a.k.a. Roslyn) is constantly thinking of new ways to make .NET developers more productive. We’ve been working hard to take the feedback you’ve sent us and turn it into tools that you want! In this post, I’ll cover some of the latest .NET productivity features available in Visual Studio 2019.

Announcing Entity Framework Core EF Core 5.0 Preview 7

The preview 7 release of EF Core 5.0 is now available, with a new data context factory, improvements to Cosmos DB support, and much more.

Announcing .NET 5.0 Preview 7

Today, we’re releasing .NET 5.0 Preview 7. It’s the second to last of the preview releases (before moving to RC). Most features should be very close to done at this point. Single file and ARM64 intrinsics are two feature areas that are taking the longest time to complete,

.NET Core July 2020 Updates – 2.1.20 and 3.1.6

Today, we are releasing the .NET Core July 2020 Update. These updates contain security and reliability fixes. See the individual release notes for details on updated packages. Security CVE-2020-1147: .NET Core Remote Code Execution Vulnerability Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core.

Announcing Entity Framework Core 5.0 Preview 5

Announcing the release of Entity Framework Core 5.0 Preview 5 featuring database collations, no tracking queries with identity resolution, bug fixes, and more.

.NET Core June 2020 Updates – 2.1.19 and 3.1.5

Today, we are releasing the .NET Core June 2020 Update. These updates contain security and reliability fixes. See the individual release notes for details on updated packages. Security CVE-2020-1108: .NET Core Denial of Service Vulnerability To comprehensively address CVE-2020-1108, Microsoft has released updates for .NET Core 2.1 and .NET Core 3.1.

Continuous integration workflow template for .NET Core desktop apps with GitHub Actions

Learn how to use a starter workflow in GitHub to help you set up and showcase DevOps for your .NET Core desktop apps using GitHub Actions.

Using Visual Studio Codespaces with .NET Core

Learn how we are enabling .NET Core projects for Visual Studio Codespaces and Visual Studio 2019.

F# 5 and F# tools update

We’re excited to announce some updates to F# 5 today! We shipped a lot of preview features since F# 5 preview 1, and they have all been stabilizing since that release. Today, we’re happy to announce some minor additions to F# 5 and talk about some pretty cool performance work we’ve been doing.

Announcing F# 5 preview 1

We’re excited to announce that F# 5 preview 1 is now available! Here’s how to get it: Install .NET 5 preview SDK Install Jupyter Notebooks for .NET If you’re using Visual Studio on Windows, you’ll need both the .NET 5 preview SDK and Visual Studio Preview installed.

.NET Framework March 2020 Update for Windows 10 1607 (Anniversary Update) and Windows Server 2016.

Today, we are releasing an update for .NET Framework 4.8 on Windows 10 1607 (Anniversary Update) and Windows Server 2016. Security This update does not contain any new security fixes. See January 2020 Security and Quality Rollup for the latest security updates.

Updates on .NET Core Windows Forms designer

We released a preview version of Visual Studio 16.6 – Visual Studio 2019 version 16.6 Preview 1 and with it a new version of .NET Core Windows Forms designer. This release contains Support for the following controls: FlowLayoutPanel, GroupBox, ImageList, MenuStrip (via the PropertyBrowser and context menu),

Async ValueTask Pooling in .NET 5

The async/await feature in C# has revolutionized how developers targeting .NET write asynchronous code. Sprinkle some async and await around, change some return types to be tasks, and badda bing badda boom, you’ve got an asynchronous implementation. In theory. In practice,

Announcing Entity Framework Core 5.0 Preview 1

Today we are excited to announce the first preview release of EF Core 5.0. Prerequisites The previews of EF Core 5.0 require .NET Standard 2.1. This means: EF Core 5.0 runs on .NET Core 3.1; it does not require .NET 5.

Announcing .NET 5 Preview 1

At the end of last year, we shipped .NET Core 3.0 and 3.1. These versions added the desktop app models Windows Forms (WinForms) and WPF, ASP.NET Blazor for building single page applications and gRPC for cross-platform, contract-based messaging. We also added templates for building services,

Continuous integration and deployment for desktop apps with GitHub Actions

Quickly set up continuous integration and continuous deployment (CI/CD) workflows for your WPF and Windows Forms applications using GitHub Actions.

What do you want to see next in ML.NET?

ML.NET is an open source and cross-platform machine learning framework made for .NET developers. Using ML.NET, you can stay in .NET to easily build and consume custom machine learning models for scenarios like sentiment analysis, price prediction, sales forecasting, recommendation, image classification,