dotnet watch in .NET 11 Preview 3: Aspire hosts, crash recovery, and saner Ctrl+C
dotnet watch gains Aspire app host integration, automatic relaunch after crashes, and fixed Ctrl+C handling for Windows desktop apps in .NET 11 Preview 3.
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EF Core 11 Prunes Unnecessary Reference Joins in Split Queries
EF Core 11 Preview 3 removes redundant to-one joins from split queries and drops unneeded ORDER BY keys. One reported scenario got 29% faster, another 22%. Here is what the SQL now looks like.
System.Text.Json in .NET 11 Preview 3 adds PascalCase and per-member naming policies
.NET 11 Preview 3 finishes the naming-policy story in System.Text.Json: JsonNamingPolicy.PascalCase, a member-level [JsonNamingPolicy] attribute, and a type-level [JsonIgnore] default for cleaner DTOs.
Blazor Virtualize Finally Handles Variable-Height Items in .NET 11
ASP.NET Core in .NET 11 Preview 3 teaches the Virtualize component to measure items at runtime, fixing the spacing and scroll jitter that uniform-height assumptions caused.
Pin Clustering Lands in .NET MAUI 11 Maps
.NET MAUI 11 Preview 3 adds built-in pin clustering to the Map control on Android and iOS, with ClusteringIdentifier groups and a ClusterClicked event.
EF Core 11 Adds GetEntriesForState to Skip DetectChanges
EF Core 11 Preview 3 introduces ChangeTracker.GetEntriesForState, a state-filtered enumerator that avoids an extra DetectChanges pass in hot paths like SaveChanges interceptors and audit hooks.
.NET MAUI 11 Ships a Built-in LongPressGestureRecognizer
.NET MAUI 11 Preview 3 adds LongPressGestureRecognizer as a first-party gesture, with duration, movement threshold, state events, and command binding, replacing the common Community Toolkit behavior.
Building a Microsecond-Latency Database Engine in C#
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 user-defined compound assignment operators: in-place += without the extra allocation
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.
How Dapper's Default nvarchar Parameters Silently Kill Your SQL Server Indexes
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.