Editor's note
I kept this issue deliberately mixed, from practical runtime topics to fundamentals and leadership. The .NET 10 and C# 14 piece stands out for previewing what’s coming, while the EF Core interceptor vs. query filter article is the kind of decision guide teams actually use.
What’s New in .NET 10 and C# 14
Jasen Fici
April 18, 2025
As we shift gears into Friday, it's time to fire up the nostalgia-driven engines and embark on a smooth ride through our latest .NET explorations. Think of today as a classic road trip, where seasoned code warriors navigate familiar paths while discovering a few thrilling detours along the way. Whether you're pumping the brakes to revel in past accomplishments or hitting the accelerator towards new innovations, our article line-up promises to keep your .NET journey robust, reliable, and ready for the weekend.
Today's Articles
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Jasen's take on today's picks
Farewell, BinaryFormatter! utf8Json — Fast & Secure Serialization in .NET 8/9.
A useful look at secure serialization in modern .NET, especially if you're replacing legacy BinaryFormatter code.
Whats's New in .NET Core 10 and C# 14
A broad preview of upcoming platform and language changes, with enough detail to help teams track what's landing in .NET 10 and C# 14.
A straightforward refresher on interface segregation that pairs well with day-to-day design reviews.
Big Thinkers: Scott Hanselman - Empowering Developer Community Worldwide | Build5Nines
Scott Hanselman is always worth reading about when the topic is community impact and developer advocacy.
Mastering EF Core: Interceptors vs. Query Filters — When to Use Each
A practical EF Core comparison that can save time when choosing between interceptors and query filters.
My Blazor Component Re-rendered 20 Times — Here’s Why and How I Fixed It
A Blazor debugging story that shows how rerender counts can reveal hidden component design issues.
Why 90% of .NET Devs Still Get Concurrency Wrong
A strong reminder that concurrency bugs are still easy to introduce, even for experienced .NET developers.
C#: What's the Difference Between `int`, `var`, and `dynamic`?
A quick explanation of int, var, and dynamic that’s handy for newer developers and code reviewers alike.
C# Practice: Create a Basic Wage Calculator in Under 10 Minutes
A simple wage calculator exercise for practice, not theory—good for beginners sharpening basic C# syntax.
Service Orchestration in .NET Aspire
Aspiring service orchestration guidance for teams building distributed apps with .NET Aspire.
Any() vs Exists() in .NET 9: Why Your Old Performance Assumptions Might Be Wrong
A performance-minded comparison that challenges assumptions about Any() and Exists() in .NET 9.
Guest Blog: A Comprehensive Guide to Agentic AI with Semantic Kernel
A solid Semantic Kernel guide for developers exploring agentic AI without leaving the .NET ecosystem.
C#’s Record vs. Class: How 10 Lines Prevented a $250,000 Bug
A cautionary record-versus-class story that shows how small type choices can prevent expensive bugs.
Every thing about ‘Delegates’ in C#
A delegate deep dive that should help newer C# developers understand one of the language’s most important concepts.