Bruno Van Thournout

Goodbye MoveNext(): .NET 11 Takes Over Your Awaits

Oct 29, 2026•17 min read

Since C# 5, the compiler has rewritten every async method into a hidden state machine. .NET 11 moves that job into the runtime. What Runtime Async changes for stack traces, debugging and allocations, and whether you should switch it on yet.

Task vs ValueTask: When the Default Starts Costing You

Sep 28, 2026•10 min read

Task<T> is the right default for async .NET code, but on hot paths that finish synchronously it allocates for answers you already have. What ValueTask<T> changes and how to decide to switch.

Pick Your Cut: A Chef's Guide to GUID Versions

Jun 24, 2026•7 min read

Nine cuts from the same 128 bits. Compare every GUID version, v1 to v8 and nil. Then choose the right one for your dish.

GUID v4 vs v7: Why You Should Care About the Shift

Apr 5, 2026•8 min read

A developers perspective on the shift from GUID v4 to v7. We will cover performance, ecosystem support, migration strategies and a practical decision framework for when to use which version.

The Human–Machine Relationship Rewritten: Natural Language as Code

Mar 24, 2026•5 min read

An exploration of how Large Language Models are redefining human–machine interaction, shifting development toward natural language as the new instruction layer.