Memory optimization, C# 14, and Azure modernization
A varied .NET roundup covering memory tuning, C# 14 features, Web API basics, GitHub Copilot modernization, testing, and Azure Cosmos DB search.
Jasen's top three picks
- 1 5 .NET Memory Optimization Patterns for High-Performance Systems
blog.stackademic.com
Practical memory patterns for reducing GC pressure and boosting throughput in real systems.
- 2 No more public partial class Program in .NET 10
Steven Giesel
A useful heads-up for teams relying on public partial Program in API tests before .NET 10 changes land.
- 3 Understanding HTTP Methods in Web API (.NET)
Medium
A clear refresher on HTTP methods that’s still valuable for building and reviewing Web API endpoints.
Editor's note
I picked a broad mix this time, from low-level memory optimization to bigger-picture modernization work. The GitHub Copilot agent mode piece stood out for teams planning upgrades, and the TUnit story is a good look at where .NET testing is heading.
Today's articles
5 .NET Memory Optimization Patterns for High-Performance Systems
blog.stackademic.com
Real production-grade strategies to prevent GC pressure and increase throughput. Continue reading on Stackademic »
Topics: .NET 8 Performance
Read article
No more public partial class Program in .NET 10
Steven Giesel
If you are using API Tests with the WebApplicationFactory you might did something like this to have a public Program class: public partial class Program; No more!
Topics: ASP.NET Core .NET 10 Unit Testing
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Understanding HTTP Methods in Web API (.NET)
Medium
HTTP methods are essential in Web API (.NET) to define how clients interact with a server. Methods like GET, POST, PUT, and DELETE help…
Topics: ASP.NET Core Web API
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Working with ASP.NET WebForms in Visual Studio 2026: A Practical Guide
Medium
Why You’re Probably Reading This
Topics: .NET Framework Visual Studio
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5 Underrated C# Moves That Make You Wonder Why You Ever Wrote Code the Old Way
Medium
Practical language tools that remove boilerplate, reduce bugs, and make your intent obvious. Continue reading on Stackademic »
Topics: C# Performance
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Fire-and-Forget in .NET: The Silent Trap You Don’t See Coming
Medium
I’ve been a senior .NET developer for 20 years, and one thing that constantly jumps out at me is how often code just works — both in tests…
Topics: .NET Core Performance
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Master SQL with 100 Challenging Questions: Test Your Database Skills
Medium
Certainly! Here are 100 SQL questions covering a wide range of topics, from basic to advanced, to help you practice and improve your SQL…
Topics: SQL Server
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C# 14: Introducing partial constructors and partial events
Anthony Giretti's .NET blog
Introduction C# 14 introduces a subtle but genuinely useful improvement for developers working with large...
Topics: C# Source Generators
Read articleWhat I Stopped Doing as a Senior .NET Developer
levelup.gitconnected.com
(And What I Do Instead) Continue reading on Level Up Coding »
Topics: .NET Core
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A step-by-step guide to modernizing .NET applications with GitHub Copilot agent mode
Microsoft Dev Blogs
Learn how Visual Studio 2026 and GitHub Copilot app modernization upgrade .NET versions and frameworks, fix build issues, and migrate apps to Azure with less manual effort The post A step-by-step gui...
Topics: .NET 10 GitHub Copilot Visual Studio
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How to Build HIPAA-Compliant ASP.NET Healthcare Apps in 2026
Facile Technolab Blog
Learn how to build secure, HIPAA-compliant healthcare apps using ASP.NET Core and Azure. Includes architecture, security controls, deployment steps, and 2026 best practices.
Topics: ASP.NET Core Azure Security
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C# 14 and .NET 10: The Most Developer-Friendly Release in Year
Medium
Microsoft’s November 2025 release brings two big updates to the .NET ecosystem: C# 14 and .NET 10. Together, they mark one of the most…
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How String in C# Supports Reliable Data Consistency in Daily Operations
Medium
Introduction
Topics: C#
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C# 14: Introducing Null-Conditional Assignment
Anthony Giretti's .NET blog
Introduction Every new C# release brings its share of improvements to how we write safer...
Topics: C#
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Plan agent in VS Code
YouTube
Why Enterprises Trust .NET Application Development Services for Digital Growth?
Topics: GitHub Copilot Visual Studio Code
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How can I detect that Windows is running in S-Mode, redux
Microsoft Dev Blogs
Igor Levicki asked for a plain C version of the sample code to detect whether Windows is running in S-Mode. I didn't write one for two reasons. First, I didn't realize that so many people still tried ...
Topics: .NET Core
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DotnetFastMCP: The “Fast Lane” for Building AI Tools in .NET
Medium
Let’s talk about the AI revolution, because it’s happening right now. Large Language Models (LLMs) from OpenAI, Anthropic, Google, and… Continue reading on Applied AI for App Devs »
Topics: OpenAI Semantic Kernel
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Versioning APIs Like a Senior Engineer: Avoid Breaking Changes and Scale Safely
javascript.plainenglish.io
Modern APIs are the backbone of enterprise systems. Continue reading on JavaScript in Plain English »
Topics: REST API
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TUnit — Why I Spent 2 Years Building a New .NET Testing Framework
Medium
I started building TUnit around two years ago. For those who have followed the journey, you’ll be glad to see the recent release of…
Topics: C# Unit Testing
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What’s New in Semantic Search for Azure Cosmos DB at Ignite 2025
Microsoft Dev Blogs
We’re excited to introduce new capabilities and performance improvements for vector and full-text search in Azure Cosmos DB. These updates make it easier for developers and architects to build semanti...
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