dotnet new webworker: first-class Web Workers for Blazor in .NET 11 Preview 2
A new project template in .NET 11 Preview 2 scaffolds the JS plumbing, WebWorkerClient, and JSExport boilerplate needed to run .NET code in a browser Web Worker.
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What 878 Copilot Coding Agent PRs in dotnet/runtime Actually Look Like
The .NET team shares ten months of real data on running GitHub's Copilot Coding Agent in dotnet/runtime: 878 PRs, a 67.9% merge rate, and clear lessons on where AI-assisted development helps and where it still falls short.
Generative AI for Beginners .NET v2: Rebuilt for .NET 10 with Microsoft.Extensions.AI
Microsoft's free generative AI course for .NET developers ships Version 2, rebuilt for .NET 10 and migrated from Semantic Kernel to Microsoft.Extensions.AI's IChatClient pattern.
C# 14 Extension Members: Extension Properties, Operators, and Static Extensions
C# 14 introduces extension members, allowing you to add extension properties, operators, and static members to existing types using the new extension keyword.
C# 14 idea: interceptors could make System.Text.Json source generation feel automatic
A community discussion proposed using C# 14 interceptors to rewrite JsonSerializer calls so they automatically use a generated JsonSerializerContext, keeping AOT-friendly source generation with cleaner call sites.
C# 14 Null-Conditional Assignment: Using ?. and ?[] on the Left Side
C# 14 extends null-conditional operators to work on the left-hand side of assignments, eliminating verbose null checks when setting properties or indexers.
.NET 10 Post-Quantum Cryptography: ML-KEM, ML-DSA, and SLH-DSA
.NET 10 adds native support for post-quantum cryptography algorithms ML-KEM, ML-DSA, and SLH-DSA, preparing your applications for a quantum-resistant future.
Polars.NET: a Rust DataFrame engine for .NET 10 that leans on LibraryImport
A new Polars.NET project is trending after a Feb 6, 2026 community post. The headline is simple: a .NET-friendly DataFrame API backed by Rust Polars, with a stable C ABI and LibraryImport-based interop to keep overhead low.
Flutter: Droido 1.2.0 is a debug-only network inspector with zero release impact
Droido 1.2.0 landed on Feb 8, 2026 as a debug-only network inspector for Flutter. The interesting part is not the UI. It is the packaging story: keep a modern inspector in debug builds while ensuring release builds remain clean, small, and unaffected.
biometric_signature 10.0.0: `simplePrompt()` is the feature, new `BiometricError` values are the real breaking change (Flutter 3.x)
biometric_signature 10.0.0 adds simplePrompt() and new BiometricError values. Here is how to handle the breaking change and future-proof your Flutter 3.x auth flows.