Loic Baumann's Typhon project targets 1-2 microsecond ACID commits using ref structs, hardware intrinsics, and pinned memory, proving C# can compete at the systems programming level.

C# 14 lets you overload +=, -=, *=, and friends as void instance methods that mutate the receiver in place, cutting allocations for large value holders like BigInteger-style buffers and tensors.

EF Core 11 groups Cosmos DB writes into transactional batches per container and partition on every SaveChanges, giving best-effort atomicity and fewer roundtrips without any code changes.

GitHub Copilot Modernization is pitched as an Assess, Plan, Execute loop for migrating legacy .NET apps. The assessment phase is where the value lives: an inventory report, categorized blockers, and file-level remediation guidance you can diff like code.

C# strings sent through Dapper default to nvarchar(4000), forcing SQL Server into implicit conversions and full index scans. Here's how to fix it with DbType.AnsiString.

Visual Studio 2026 adds HotReloadAutoRestart, a project-level opt-in that restarts the app when a rude edit would otherwise end the debug session. It is especially useful for Razor and Aspire projects.

ASP.NET Core in .NET 11 Preview 2 brings TempData to Blazor static server-side rendering, enabling flash messages and Post-Redirect-Get flows without workarounds.

C# 15 adds the with(...) element to collection expressions, letting you pass capacity, comparers, and other constructor arguments directly in the initializer.

.NET 11 Preview 1 ships ZstandardStream, ZstandardEncoder, and ZstandardDecoder in System.IO.Compression, giving you fast, inbox zstd support with no third-party packages.

The dotnet ef database update command now accepts --add to scaffold and apply a migration in a single step. Here is how it works, why it matters for containers and .NET Aspire, and what to watch for.