---
title: "dotInsights | September 2026"
description: "dotInsights’ September 2026 issue curates recent .NET and software development material from the developer community, alongside JetBrains announcements and a short social-media coffee break. The featured links cover Azure Service Bus filters, .NET 11 performance, Fetch Metadata-based CSRF protection, software-architecture complexity, standalone hosting for the .NET Aspire Dashboard, and several C# and ASP.NET Core topics. Other selections address AI coding agents, local AI models, MCP clients in .NET, Blazor CSV import and full-text search, URI handling, digital signatures, memory usage in Kubernetes, and .NET MAUI. The issue also notes that Roslyn, the C# compiler, is open source, written in C#, and exposes APIs for analyzing and generating code, while JetBrains promotes upcoming events, Rider and ReSharper releases, and Rider’s AI-agent refactoring capabilities."
---

# dotInsights | September 2026

[Jetbrains](https://yomu.fyi/company/jetbrains) · Rachel Appel · Sep 8, 2026

**Type:** Announcement

## Summary

dotInsights’ September 2026 issue curates recent .NET and software development material from the developer community, alongside JetBrains announcements and a short social-media coffee break. The featured links cover Azure Service Bus filters, .NET 11 performance, Fetch Metadata-based CSRF protection, software-architecture complexity, standalone hosting for the .NET Aspire Dashboard, and several C# and ASP.NET Core topics. Other selections address AI coding agents, local AI models, MCP clients in .NET, Blazor CSV import and full-text search, URI handling, digital signatures, memory usage in Kubernetes, and .NET MAUI. The issue also notes that Roslyn, the C# compiler, is open source, written in C#, and exposes APIs for analyzing and generating code, while JetBrains promotes upcoming events, Rider and ReSharper releases, and Rider’s AI-agent refactoring capabilities.

## Context

The newsletter presents itself as a source for recent .NET and software development information, collecting material from the developer community and sharing JetBrains news.

## Approach / What changed

The issue curates links covering .NET, C#, ASP.NET Core, Blazor, AI tools, architecture, security, performance, and related topics, then adds a coffee-break section and announcements about JetBrains events, releases, and product capabilities.

## Takeaways

- Roslyn is open source, written in C#, and exposes APIs for analyzing and generating code.
- The community links include subjects such as .NET 11 performance, Fetch Metadata-based CSRF protection, MCP clients in .NET, Blazor search, and memory usage in Kubernetes.
- JetBrains announces upcoming GameDev Day and .NET Day Online events, new Rider and ReSharper releases, and Rider capabilities for AI-agent refactoring.

**Tags:** [AI Agents](https://yomu.fyi/topic/ai-agents)

- Source: [Jetbrains](https://blog.jetbrains.com/dotnet/2026/09/08/dotinsights-september-2026)
- Source URL: https://blog.jetbrains.com/dotnet/2026/09/08/dotinsights-september-2026
- Ingested by Yomu: 2026-09-08T16:01:02.689Z

[Read original post](https://blog.jetbrains.com/dotnet/2026/09/08/dotinsights-september-2026)