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.NET

@dotnet

Free. Cross-platform. Open source. A developer platform for building all your apps. Official handle of the .NET team at Microsoft.

 Redmond, WA
beacons.ai/dotnet
Joined August 2012
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.NET Conf 2026 - Day 2 is getting ready to kick off! Join in live, ask questions, and get ready for more .NET 11 and Visual Studio announcements! msft.it/6014ahvrQ #dotnetconf #dotnet11
.NET Conf 2026 | .NET

.NET Conf 2026 | .NET

Join us for .NET Conf 2026, a free, virtual developer event co-organized by the .NET community and Microsoft. Learn about the latest in .NET, C#, and Visual Studio from experts and community leaders.

dotnet.microsoft.com
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Explore how Jon Douglas, a Microsoft Principal Product Manager, advances NuGet and software supply chain security in the AI era. Learn about his work on VEX standards and more. ➡️ Watch here: msft.it/6010x6Bck #dotnet #dotnetconf
Securing Your NuGet Dependencies in the Age of AI

Securing Your NuGet Dependencies in the Age of AI

Jon Douglas is a Principal Product Manager at Microsoft specializin...

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Discover the new System.Text.Json features in .NET 11, including C# unions, closed hierarchies, enhanced source generation, and richer POCO annotations. Simplify your JSON serialization with these updates. ▶️ Watch the session: msft.it/6010ahp8q #dotnet #dotnetconf
System.Text.Json in .NET 11

System.Text.Json in .NET 11

Explore the latest System.Text.Json features in .NET 11, including ...

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.NET 11 is now generally available in Azure Functions with the isolated worker model, featuring a simpler project SDK and updated tooling. Build or update your serverless apps today. Read more: msft.it/6012ahpuu

.NET 11 is now generally available in Azure Functions | Microsoft Community Hub

.NET 11 is now generally available in Azure Functions. Learn how to get started with the new project SDK, updated templates, and guidance for upgrading...

techcommunity.microsoft.com
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.NET Conf 2026 - Day 2 xitter.twitterapi.xyz/i/broadcasts/2mdrrPYrb…
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.NET

.NET Conf 2026 - Day 2

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.NET and .NET Framework November 2026 updates released with security fixes for .NET 8-11 and Visual Studio. Stay secure by updating to the latest SDK and runtimes. 🔗 Details & downloads: msft.it/6018ahTWI
.NET and .NET Framework November 2026 servicing updates - .NET Blog

.NET and .NET Framework November 2026 servicing updates - .NET Blog

A recap of the latest servicing updates for .NET and .NET Framework for November 2026.

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🚀 Announcing .NET 11! This release brings C# 15 union types, faster developer tools, hundreds of performance improvements, and new capabilities for web, mobile, desktop, and AI apps. See what’s new and get started: msft.it/6018aCAAi
Announcing .NET 11 - .NET Blog

Announcing .NET 11 - .NET Blog

.NET 11 is here with C# 15, faster developer tools, runtime and library improvements, and new capabilities for web, mobile, desktop, and AI apps.

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.NET Conf 2026 - Day 1 xitter.twitterapi.xyz/i/broadcasts/2OdWgvLQv…
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.NET

.NET Conf 2026 - Day 1

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.NET Conf is about to start! Join us for the keynote at 8 AM Pacific, followed by a whole day of amazing content! msft.it/6018aC4pa
.NET Conf 2026 | .NET

.NET Conf 2026 | .NET

Join us for .NET Conf 2026, a free, virtual developer event co-organized by the .NET community and Microsoft. Learn about the latest in .NET, C#, and Visual Studio from experts and community leaders.

dotnet.microsoft.com
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Calling all .NET developers! Share your experience in the 2026 .NET Developer Survey. It takes ~15 mins and helps shape the future of .NET. Eligible U.S. residents can enter to win .NET swag! Take the survey: msft.it/6017affvF
Help Shape the Future of .NET: Take the 2026 .NET Developer Survey - .NET Blog

Help Shape the Future of .NET: Take the 2026 .NET Developer Survey - .NET Blog

Take the 2026 .NET Developer Survey to share your experience, help identify common challenges, and guide future .NET investments. The survey takes about 15 minutes.

devblogs.microsoft.com
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Modernize your .NET apps for Windows Arm64 with GitHub Copilot upgrade agent. It assesses compatibility, creates migration plans, updates code, and helps validate runtime behavior. Start your migration journey today! msft.it/6014afNOE
Modernize your .NET apps for Windows Arm64 with GitHub Copilot - .NET Blog

Modernize your .NET apps for Windows Arm64 with GitHub Copilot - .NET Blog

Modernize your .NET apps for Windows Arm64 with the GitHub Copilot upgrade agent, from identifying migration blockers to planning and making code changes.

devblogs.microsoft.com
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Explore how AI agent skills are now delivered via NuGet packages, enabling just-in-time skill updates alongside binaries. This approach enhances .NET development by making packages self-documenting and efficient. Learn more: msft.it/6015afJhZ
Delivering Skills in NuGet packages - .NET Blog

Delivering Skills in NuGet packages - .NET Blog

Agent skills can be delivered in NuGet packages as a way to deliver up-to-date library documentation to models.

devblogs.microsoft.com
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🔜 .NET Conf 2026 is Nov 10-13! Join this free virtual event for the launch of .NET 11, sessions from Microsoft teams, and community talks. Explore new C#, msft.it/6018a45Yy Core, .NET MAUI, AI in .NET, Visual Studio updates & more. Details: msft.it/6017a45YH
ASP.NET Core, an open-source web development framework | .NET

ASP.NET Core, an open-source web development framework | .NET

Build web apps and services that run on Windows, Linux, and macOS using C#, HTML, CSS, and JavaScript. Get started for free on Windows, Linux, or macOS.

dotnet.microsoft.com
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👀 ICYMI: Healthy prod starts with healthy runtimes. 🛡️⚙️ October’s .NET servicing updates bring security + non-security fixes for .NET 10/9/8, plus .NET Framework servicing. Time to check those runtimes. 🔧 Patch up 👇 msft.it/6013aarvv
Text reads 'October 2026 .NET & .NET Framework Updates' with a purple and white '.NET' logo on a gradient background.

ALT Text reads 'October 2026 .NET & .NET Framework Updates' with a purple and white '.NET' logo on a gradient background.

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👀 ICYMI: Let’s bring this one back around. 📦 DAB just got embeddable! Data API builder 2.1.5 ships Microsoft.DataApiBuilder.Core, letting .NET apps host the engine directly. Add native JSON/vector APIs, .NET 10 + MCP hardening and…🔥 Read the blog 👇 msft.it/6015aarmv
A gradient background blending shades of purple and orange features two purple gears. Text reads: 'Data API builder 2.1.5 JSON and Vector Data Type Support, and More'.

ALT A gradient background blending shades of purple and orange features two purple gears. Text reads: 'Data API builder 2.1.5 JSON and Vector Data Type Support, and More'.

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🤖 Copilot runtime. Your model. With the GitHub Copilot SDK + C#, ProviderConfig separates the agent harness from inference, letting you route requests to your own model provider. The sample pairs .NET 10 + Microsoft Foundry + Entra ID. 🔐🧠 Dig in 👇 msft.it/6019avIvD
A promotional graphic featuring a purple background and white text. It states, 'Bring Your Own Model to the GitHub Copilot SDK with C#'. Includes icons of a robot and a C# logo, and 'Agent Harness' at the top.

ALT A promotional graphic featuring a purple background and white text. It states, 'Bring Your Own Model to the GitHub Copilot SDK with C#'. Includes icons of a robot and a C# logo, and 'Agent Harness' at the top.

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〰️ DAY 2 HAPPENING TODAY〰️ GitHub Universe Day 2 Keynote Set your reminder for 2PM PT 🔗 msft.it/6018aa0dg 🔗
A colorful graphic for UNIVERSE26 featuring a playful, cartoon-style cat and a duck. Behind them, a vibrant gradient of rainbow-colored shapes. Text displays 'DAY 2 OCTOBER 29 LIVE' prominently at the bottom.

ALT A colorful graphic for UNIVERSE26 featuring a playful, cartoon-style cat and a duck. Behind them, a vibrant gradient of rainbow-colored shapes. Text displays 'DAY 2 OCTOBER 29 LIVE' prominently at the bottom.

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〰️ HAPPENING TODAY at 10AM PT 〰️ Blazor Community Standup: Free Syncfusion Toolkit for Blazor Join us with the Syncfusion team to explore the free and open-source Syncfusion Toolkit for Blazor. We’ll see the (cont) msft.it/l/6016a0asE
A promotional image for a Blazor Community Standup event, featuring two speakers: Daniel Roth, a gray-haired man with glasses, and Shriram Sankaran, a man with dark hair in a red shirt. The text highlights a Free Syncfusion Toolkit for Blazor.

ALT A promotional image for a Blazor Community Standup event, featuring two speakers: Daniel Roth, a gray-haired man with glasses, and Shriram Sankaran, a man with dark hair in a red shirt. The text highlights a Free Syncfusion Toolkit for Blazor.

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〰️HAPPENING TODAY 〰️ What happens when .NET meets Microsoft Foundry? 👀🤖 Less slideware. More C#, SDKs, live demos + actually building AI apps. ⚡🧑‍💻 Follow along, experiment and see what the .NET + Foundry stack can build. Join us LIVE at 9am PT ➡️ msft.it/6012avIIo
.NET + Foundry, better together. Bruno Capuano, Principal Cloud Advocate at Microsoft, gestures enthusiastically while speaking at a podium, with a backdrop featuring a stylized hexagonal design.

ALT .NET + Foundry, better together. Bruno Capuano, Principal Cloud Advocate at Microsoft, gestures enthusiastically while speaking at a podium, with a backdrop featuring a stylized hexagonal design.

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Building RAG or semantic search in .NET? 🧠🔎 Microsoft.Extensions.VectorData abstracts the vector store so your app can upsert embeddings, run similarity searches, filter with LINQ + switch database providers (cont) msft.it/l/6013a0kST
A gradient background transitioning from yellow to purple. On the left, an illustration of code symbols with a document icon. The text reads: 'Use vector stores in .NET AI apps' and 'Read the docs'.

ALT A gradient background transitioning from yellow to purple. On the left, an illustration of code symbols with a document icon. The text reads: 'Use vector stores in .NET AI apps' and 'Read the docs'.

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