Aquí están los enlaces recopilados durante la semana pasada 😊

Entre los contenidos destacables, una pregunta: ¿somos conscientes del coste real de las operaciones de boxing y unboxing en .NET? Normalmente no las tenemos en cuenta, pero pueden llegar a ser importantes, y podemos aprender a detectarlas y evitarlas. Ali Hamza Ansari nos lo explica en su artículo.

También, Anton Martyniuk ha recopilado en este post una serie de paquetes NuGet que pueden mejorar tu productividad y la calidad de tus proyectos si usas Entity Framework Core.

Y Addy Osmani nos cuenta la historia, evolución y futuro de Core Web Vitals, los indicadores de rendimiento web que Google utiliza para medir la experiencia de usuario en las páginas web. Muy interesante.

El resto, a continuación...

Por si te lo perdiste...

• Renderizar componentes Blazor en vistas MVC (3/3): componentes interactivos WebAssembly
  José M. Aguilar
• El tipo de retorno ActionResult<T> en ASP.NET Core
  José M. Aguilar

.NET

• xUnit Assert basics: True/False, Equal, Same, Matches
  David Grace
• Hidden Costs of Boxing in C#: How to Detect and Avoid Them
  Ali Hamza Ansari
• Why Microsoft Won't Revive WinForms (And What Developers Are Using Instead
  Matt Mattei
• Is .NET 10 for AI Replacing Python?
  Prayag Vakharia
• Your HTML Comments Are More Powerful Than You Think: Building Custom Validation Grammars with HtmlAgilityPack
  Aaron Stannard
• Wasm 3.0 for .NET Developers
  Sam Basu

ASP.NET Core / ASP.NET / Blazor

• Building Secure APIs with Role-Based Access Control in ASP.NET Core
  Milan Jovanović
• Dockerfile for a .NET 9 Web API Application
  Bryan Hogan

Azure / Cloud

• The $150 Secret Hiding in Plain Sight
  Michael Taylor

Conceptos / Patrones / Buenas prácticas

• Duende Software - Identity and Access Management for .NET
  Marteen Balliauw
• Where It's at:// — overreacted
  Dan Abramov

Data

• 5 Hidden EF Core Nuget Packages That Will Instantly Improve Your Dotnet Projects
  Anton Martyniuk
• SQL Query Memory Consumption in SQL Server 2025
  Mehdi Ghapanvari
• Tips for Efficient Data Queries in ASP.NET Core
  Assis Zang

Machine learning / IA

• Introducing Microsoft Agent Framework (Preview): Making AI Agents Simple for Every Developer
  Luis Quintanilla
• Install and run Azure Foundry Local LLM server & Open WebUI on Windows Server 2025
  Orin Thomas
• GitMCP – Instantly create a Remote MCP server for any GitHub repository
  Ido Salomon

Web / HTML / CSS / Javascript

• React 19.2
  React Team
• What Can We Actually Do With corner-shape?
  Daniel Schwarz
• CSS wish: inner breakpoints
  Axel Rauschmayer
• Touring New CSS Features in Safari 26
  Juan Diego Rodríguez
• September 2025 Baseline monthly digest
  Jeremy Wagner
• Taking SVG “screenshots” of HTML elements
  Axel Rauschmayer
• Yes, you should upgrade to TypeScript 5.9 — here's why
  Chizaram Ken
• New to the web platform in September
  Rachel Andrew
• The History of Core Web Vitals
  Addy Osmani
• Simulating Container Style Queries with CSS Animations
  Keith Clark
• I want to intercept Boolean Coercion for Objects in JavaScript—zachleat.com
  Zach Leatherman
• Using the new bindings API to test Angular components with Angular Testing Library
  Tim Deschryver

Visual Studio / Complementos / Herramientas

• Visual Studio September Update - profiler agent, app modernization, and more
  Simona Liao
• Publishing NuGet packages from GitHub actions the easy way with Trusted Publishing
  Andrew Lock
• TypeScript 7 native preview in Visual Studio 2026
  Sayed Ibrahim Hashimi
• Announcing Hotkey Typer — type long prompts with a hotkey
  James Montemagno
• Using Git insteadOf to Automatically Replace HTTPS URLs with SSH
  Gérald Barré
• Introducing 'SQL Project Power Tools' - create, import, diagram and analyze SQL database projects in Visual Studio
  Erik Ejlskov Jensen
• Visual Studio 2026: The Copilot Profiler Agent & Bring your own model
  Bart Wullems
• 5 Ways I Use Background Coding Agents Every Day
  James Montemagno
• Roadmap for AI in Visual Studio (October)
  Qing Charles
• Setting Up Web Development Environment for Windows
  David Adeneye Abiodun
• What’s next for Visual Studio 2026 (v18)!
  Michael Morten Sonne
• ReSharper and Visual Studio 2026: Day-One Compatibility, Migration Steps, and Performance Gains
  Sasha Ivanova

.NET MAUI

• Sharpnado.Tabs 4.0: Pure MAUI Touch Effects Across All Platforms
  Jean-Marie Alfonsi
• Exploring Popup & Dialogs: Promotions, Cart Updates, Offers
  Leomaris Reyes

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