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Join The .NET Insider newsletter 📰
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@Blazorise Education offers eligible students and teachers free one-year licenses, plus courses on C#, Blazor, and Blazorise.
blazorise.com/education
#dotnet #Blazor #csharp
🤖 Made with AI
Founder @MladenMacanovic built the Education platform in less than 10 days using AI-assisted development.
🤖 Made with AI
Creating a memory dump in C#
How do you debug a @dotnet app that hangs in production? @slace shows a C# pattern that detects thread-pool starvation and writes a memory dump on Windows or Linux, ready to open in Visual Studio.
🌐More Updates: dotnet.news
📖Read it here: devblogs.microsoft.com/dotne…
#dotnet #csharp
How do you debug a @dotnet app that hangs in production? @slace shows a C# pattern that detects thread-pool starvation and writes a memory dump on Windows or Linux, ready to open in Visual Studio.
🌐More Updates: dotnet.news
📖Read it here: devblogs.microsoft.com/dotne…
#dotnet #csharp
Inside .NET 11 performance
@dotnet 11 performance: fewer allocations from nullable boxing and enumeration, plus faster JSON scanning.
By @stephentoub
Original article: devblogs.microsoft.com/dotne…
More Updates: dotnet.news
#dotnet #dotnetdevelopers
dotnetdevs.io retweeted
🎸 .NET 11 goes to 11. 🔥
Smarter JIT deabstraction, fewer allocations, fewer bounds checks, tighter loops, SIMD boosts, and hundreds of runtime/library optimizations. ⚡
Your code may get faster without changing a line.
📖 Read: msft.it/6011abvXZ
ALT A cartoon character, resembling a robot, rides a pink rocket labeled '.NET 11' against a purple background. The text 'Performance Improvements in .NET 11' appears prominently to the left.
C# unions in ASP.NET Core
In @dotnet 11, C# 15 unions in ASP.NET Core: JSON contracts, closed hierarchies, and pattern matching.
🔗Details: devblogs.microsoft.com/dotne…
🌐More Updates: dotnet.news
#dotnet #dotnetdevelopers
In @dotnet 11, C# 15 unions in ASP.NET Core: JSON contracts, closed hierarchies, and pattern matching.
🔗Details: devblogs.microsoft.com/dotne…
🌐More Updates: dotnet.news
#dotnet #dotnetdevelopers
🚀 The .NET Insider - Issue #28 is here.
C# 15, .NET 11 Preview 7, MSTest + Native AOT, Azure DevOps MCP GA, security fixes, NuGet key changes, local AI, Aspire, and more.
Read: dotnet.news/p/the-net-inside…
#dotnet #dotnetdevelopers
🔐 August 2026 @dotnet servicing updates are out.
.NET 10.0.11, 9.0.19, and 8.0.30 address 10 CVEs, including remote code execution and elevation-of-privilege vulnerabilities.
.NET Framework updates are also available.
🌐More updates: dotnet.news
🔗Details: devblogs.microsoft.com/dotne…
#dotnet #dotnetdevelopers
C# 15 preview is available with @dotnet 11 Preview 7.
It introduces union types, closed hierarchies, extension indexers, collection-expression arguments, labeled break/continue, and new memory-safety work.
🌐More updates: dotnet.news
🔗Explore what’s new:
devblogs.microsoft.com/dotne…
#csharp #dotnet
Visual Studio has a new Copilot Agent
@VisualStudio has a new Copilot Agent 🤖
Powered by the same @GitHubCopilot SDK behind the Copilot CLI, the July update also adds built-in .NET & Azure skills, organization instructions, and branch context.
🌐More Updates: dotnet.news
🔗Details: devblogs.microsoft.com/visua…
#dotnet #VisualStudio
𝗧𝗵𝗲 𝗼𝗳𝗳𝗶𝗰𝗶𝗮𝗹 𝗠𝗖𝗣 𝗖# 𝗦𝗗𝗞 𝘃𝟮.𝟬 𝗶𝘀 𝗵𝗲𝗿𝗲.
The official MCP C# SDK v2.0 is here. 🚀
Stateless HTTP by default, Multi Round-Trip Requests, and support for the 2026-07-28 MCP spec — with backward compatibility.
🌐More Updates: dotnet.news
🔗devblogs.microsoft.com/dotne…
@jeffhandley
#dotnet #MCP
The official MCP C# SDK v2.0 is here. 🚀
Stateless HTTP by default, Multi Round-Trip Requests, and support for the 2026-07-28 MCP spec — with backward compatibility.
🌐More Updates: dotnet.news
🔗devblogs.microsoft.com/dotne…
@jeffhandley
#dotnet #MCP
The .NET Insider - Issue 26 is live!
Inside:
• .NET 11 Preview 6
• Agent Skills for .NET
• .NET MAUI on CoreCLR
• July servicing updates
• GitHub Copilot modernization
• Long-running MCP tools
Read: dotnet.news/p/the-net-inside…
#dotnet #dotnetdevelopers
Agent Skills for @dotnet is now stable and production-ready. 🚀
Package reusable domain expertise as file-, class-, or code-defined skills, load it only when needed, and govern access with approvals and controlled script execution.
dotnet.news
devblogs.microsoft.com/agent…
#dotnet #AI
.𝗡𝗘𝗧 𝟭𝟭 𝗣𝗿𝗲𝘃𝗶𝗲𝘄 𝟲 𝗶𝘀 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲
@dotnet 11 Preview 6 is available. 🚀
C# extension indexers and union support, OpenAPI 3.2, automatic CSRF protection, improved dotnet test, runtime/JIT/NativeAOT gains, plus MAUI and EF Core updates.
For more updates: dotnet.news
Original post: devblogs.microsoft.com/dotne…
#dotnet #csharp
.𝗡𝗘𝗧 𝟭𝟭 𝗣𝗿𝗲𝘃𝗶𝗲𝘄 𝟲 𝗶𝘀 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲
@dotnet 11 Preview 6 is available. 🚀
C# extension indexers and union support, OpenAPI 3.2, automatic CSRF protection, improved dotnet test, runtime/JIT/NativeAOT gains, plus MAUI and EF Core updates.
For more updates: dotnet.news
Original post: devblogs.microsoft.com/dotne…
#dotnet #csharp
.NET 8 and 9 reach the end of support on November 10.
@dotnet 8 and .NET 9 reach end of support on November 10, 2026.
After that: no security updates, servicing fixes, or technical support. Plan your move to .NET 10 LTS now.
For updates: dotnet.news
Official announcement: devblogs.microsoft.com/dotne…
June 2026 servicing updates for .NET and .NET Framework are available.
June 2026 servicing updates for @dotnet and .NET Framework are now available.
🔒 Security fixes
⚡ Reliability improvements
📦 Updated builds for .NET 10, 9 & 8
Production environments should plan to update as part of this month's patch cycle.
Details - devblogs.microsoft.com/dotne…
📝 @raalhul | @tko5148
✨️For more updates - dotnet.news
