dotInsights | February 2026

**dotInsights | February 2026**

C# allows digit separators (_) in numeric literals to make large numbers more readable, e.g., int num = 1_000_000; is valid and equals one million. Welcome to dotInsights by JetBrains. This newsletter is the home for recent .NET and software development related information. 🔗 Links Here’s the latest from the developer community. Agent Skills: From Claude to Open Standard to Your Daily Coding Workflow | C# 14 Extension Members: Complete Guide to Properties, Operators, and Static Extensions | C# 14 More Partial Members: Partial Events and Partial Constructors – Laurent Kempé Exploring Marshal Methods in .NET MAUI – Leomaris Reyes MCPs for Developers Who Think They Don’t Need MCPs – Angie Jones JetBrains ReSharper for Visual Studio – Karen Payne Enterprise Patterns, Real Code: Implementing Fowler’s Ideas in C# – Chris Woodruff How to use Agent Skills in GitHub Copilot – Daniel Ward .NET Toolbox – Steven Giesel Making foreach on an IEnumerable allocation-free using reflection and dynamic methods – Andrew Lock What Burnout Taught Me About Sustainable Coding Practices – Aicha Laafia AI Makes Code Cheap...

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