🚀 Runtime Enhancements
Stack Allocation for Small Arrays
The Just-In-Time (JIT) compiler now optimizes memory usage by stack-allocating small arrays of reference types when their scope is limited, reducing heap allocations and improving performance. Microsoft Learn
Advanced Code Layout Optimization
A new approach to method code organization uses a 3-opt heuristic to improve hot path density and reduce branch distances, enhancing runtime performance. Microsoft Learn
AVX10.2 Support
.NET 10 introduces support for AVX10.2 instructions on x64 processors, enabling advanced vector operations for high-performance computing tasks. Microsoft Learn
Enhanced Escape Analysis
The JIT compiler's escape analysis now includes local struct fields, allowing more objects to be stack-allocated, reducing garbage collection overhead. Microsoft Learn+1Microsoft for Developers+1
💻 SDK and CLI Improvements
Native Container Image Creation
Console applications can now natively create container images, simplifying deployment in containerized environments. Microsoft Learn
Enhanced CLI Experience
The .NET CLI now generates native tab-completion scripts for popular shells, improving developer productivity. Microsoft Learn
🌐 ASP.NET Core and Blazor Updates
Blazor Enhancements
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QuickGrid RowClass Parameter: Allows dynamic styling of grid rows based on data conditions.
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Static Web Assets: Blazor scripts are now served as static web assets, reducing load times by up to 76%.
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Route Syntax Highlighting: Improves route template visualization in editors. Chandradev's Blog+1DEVCLASS+1
OpenAPI 3.1 Support
ASP.NET Core now supports OpenAPI 3.1, enabling more accurate and expressive API documentation. DEVCLASS
🧠 Language Features
C# 14 Innovations
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Field-Backed Properties: Access compiler-generated backing fields using the
fieldkeyword. -
Enhanced
nameofExpression: Supports unbound generic types. -
Span<T> Implicit Conversions: Improves performance-critical code.
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Lambda Parameter Modifiers: Allows
ref,in, oroutmodifiers in lambda expressions. -
Partial Constructors and Events: Extends partial method capabilities.
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Static Extension Methods: Introduces
extensionblocks for static and instance members. Microsoft Learn+1Microsoft+1
F# Enhancements
F# in .NET 10 includes new language features, standard library improvements, and compiler service updates, enhancing functional programming capabilities. Bacancy+3Microsoft Learn+3Medium+3
📱 .NET MAUI Advancements
.NET Multi-platform App UI (MAUI) receives several updates:
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Improved Tooling: Enhances developer experience across platforms.
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Performance Boosts: Optimizes rendering and responsiveness.
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Expanded Platform Support: Adds support for emerging platforms like AR/VR devices. Microsoft Learn+3Medium+3Microsoft+3
🗄️ Entity Framework Core 10
Entity Framework Core 10 introduces:
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LINQ Enhancements: Provides more expressive queries.
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Performance Optimizations: Improves data access speed.
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Azure Cosmos DB Support: Enhances compatibility with cloud-based databases.
📦 Library Improvements
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Async Zip APIs: Introduces asynchronous methods for ZIP file manipulation.
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GZipStream Performance: Improves handling of concatenated streams.
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Out-of-Proc Trace Support: Adds tracing capabilities for activity events and links. Microsoft for Developers
🔮 Looking Ahead
.NET 10 is slated for general availability in November 2025, with LTS support extending through November 2028. Developers can explore the preview releases to prepare for the transition and leverage the new features in their applications
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