#architecture
architecture

A weekend Node.js library with transactional outbox and NServiceBus compatibility

Mauro Servienti released Zusammen, an alpha Node.js library that brings the NServiceBus transactional session idea to Node.js. Business data and outgoing messages are committed together in one MongoDB transaction, with a control message and tombstone guarding dispatch to RabbitMQ. It is also a useful case study in AI-assisted development, and a concrete look at the outbox pattern for .NET developers.

Suppressing logs for cancelled HTTP requests with Scrutor

A Habr author describes how their ASP.NET Core team stopped logging OperationCanceledException when a client aborts an HTTP request. NLog filters and middleware catches fell short. The working approach decorates ILoggerProvider with Scrutor and checks HttpContext.RequestAborted before writing the entry.

Closed hierarchies in C# 15: exhaustive pattern matching for class types

C# 15 adds the closed modifier, which limits derived types of a base class to the same assembly. The compiler then knows the full list of subtypes and can flag switch expressions that miss a case. This helps .NET developers catch new cases at build time instead of finding silent runtime bugs in game logic or domain rules.

Storing and Querying a Hierarchy of Types with Marten

Jeremy D. Miller shows how Marten stores a class hierarchy in one PostgreSQL table and queries it with LINQ, without the table-per-type or table-per-concrete-type decisions EF Core requires. He also covers subtype-specific partial indexes and duplicated fields. For teams weighing document storage against EF Core inheritance mapping, it is a useful comparison.

Prepare your .NET MAUI app for Xcode 27 with the UIKit scene lifecycle

iOS apps built with Xcode 27 must adopt the UIKit scene lifecycle, or they can vanish right after the splash screen. Microsoft explains an agent skill that prepares existing .NET MAUI projects, plus the manual steps for the scene delegate, Info.plist manifest and minimum OS versions. It also covers moving AppDelegate callbacks to scene events.

Rebuilding Marten Projections Without Downtime with Wolverine 6.51 Warm-up Nodes

Wolverine 6.51 adds a warm-up node role for blue/green deployments. New nodes join the cluster only to rebuild new projection versions in Marten or Polecat, without handling messages or subscriptions. Combined with versioned projections and a side-effect gate, teams can catch up read models before switching traffic. This is a practical path to zero-downtime releases for event-sourced systems.

Shiny.Net.Http: Background File Transfers for Mobile .NET Apps

Shiny.Net.Http is a library that keeps file uploads and downloads running in the background on iOS, Android and other platforms, even when the app is suspended or killed. Its queue survives restarts and supports retries, pause and resume. It is a practical alternative to hand-written retry loops for mobile teams.

Microsoft Agent Framework: Exposing and Calling Agents over A2A in .NET

This post shows how to host a Microsoft Agent Framework agent over the Agent-to-Agent (A2A) protocol in ASP.NET Core and call it from a separate client as if it were local. It covers the agent card, session handling and the JSON-RPC endpoint.