.NET 11 Raises the Minimum CPU Baseline to x86-64-v2
.NET 11 Preview 4 drops support for pre-2013 x86/x64 chips and bumps the JIT baseline to x86-64-v2. Here is what breaks, why, and how to check your hardware before you upgrade.
Tag: dotnet
442 posts · Page 25 of 45
Fix: ObjectDisposedException: Cannot access a disposed context instance
Your fire-and-forget task captured a request-scoped DbContext that the DI scope already disposed. Resolve a fresh context inside the task with IServiceScopeFactory or IDbContextFactory.
EF Core 11 Preview 4: Stop Retyping --project and --startup-project with .config/dotnet-ef.json
EF Core 11 Preview 4 lets the dotnet ef tool read default option values from a .config/dotnet-ef.json file, so split solutions no longer force you to pass --project and --startup-project on every command.
How to run fire-and-forget work safely in ASP.NET Core with BackgroundService
Calling Task.Run from a controller loses work on shutdown, swallows exceptions, and captures disposed scoped services. The safe pattern is a bounded Channel queue drained by a BackgroundService that opens a fresh scope per work item and drains in-flight work on StopAsync.
How to use scoped services inside a BackgroundService in ASP.NET Core 11
A BackgroundService is a singleton, so it cannot inject a scoped service like a DbContext directly. Take IServiceScopeFactory, open one scope per unit of work with CreateAsyncScope, resolve inside it, and dispose it when the work is done.
Migrate from MediatR to plain dependency injection in .NET 11
A step-by-step checklist to remove MediatR 12-14 and replace IRequest handlers, ISender, pipeline behaviors, and INotification with plain service classes and constructor injection.
Flutter vs React Native vs .NET MAUI: which should you pick for a new mobile project in 2026?
For a greenfield mobile app in 2026, pick Flutter 3.44 when pixel-identical UI and animation budget matter, React Native 0.82 when your team already lives in TypeScript and you need a real browser sibling, and .NET MAUI 11 when iOS and Android are part of a wider .NET product and you need first-party Microsoft support.
.NET MAUI 10 SR6 finishes Material 3 on Android behind a single UseMaterial3 flag
MAUI 10 SR6 (10.0.60) extends Material 3 theming to Button, Entry, SearchBar, DatePicker, Slider, ProgressBar, ImageButton, Switch, and Shell on Android. Opt in with one MSBuild property. No custom renderers, no styles.xml edits.
MAUI vs Avalonia vs Uno Platform: which should you pick in 2026?
For a new .NET cross-platform desktop and mobile app in 2026, pick Avalonia when you need a single rendered control set across all targets, Uno when you must reach the browser too, and MAUI only when you actually need native iOS and Android plus first-party Microsoft support.
Azure Functions isolated worker vs in-process in .NET 11: which should you pick in 2026?
Pick the isolated worker model for every new Azure Functions app on .NET 11 in 2026, and migrate any remaining in-process apps before the November 10 retirement deadline.