.NET Team announces .NET 10, highlighting key advancements in AI, coding, and development tooling. This release provides developers with improved performance, enhanced language features, and new AI integration options across the Microsoft stack.

Announcing .NET 10: A Major Release for Modern, Productive, and AI-Powered Development

Author: .NET Team

Overview

.NET 10 is a landmark Long Term Support (LTS) release, bringing together another year of collaboration from the global Microsoft developer community. It delivers thousands of improvements across the .NET stack, emphasizing productivity, security, performance, and integrated AI features.

LTS support: Supported through November 2028
Major frameworks and tools updated: Includes ASP.NET Core, Blazor, C# 14, F# 10, MAUI, Entity Framework Core 10, and Visual Studio 2026
AI Integration: Native support for building intelligent applications

Performance and Security Enhancements

Improved JIT compiler (better inlining, method devirtualization, struct argument handling)
Hardware acceleration including AVX10.2, Arm64 SVE
Enhanced NativeAOT for smaller, faster compiled apps
Cryptography improvements (post-quantum cryptography support, AES KeyWrap with Padding)
Optimized networking, JSON handling, and more

Language Highlights

C# 14

Field-backed properties
Extension properties and methods
First-class Span conversions
Partial properties and constructors

F# 10

Scoped warning suppression
ValueOption struct-based option parameters
Parallel compilation and performance improvements

AI in .NET 10

AI is central to .NET 10, with features for both simple integrations and advanced, multi-agent systems.

Microsoft Agent Framework: Build intelligent, agentic AI workflows using Semantic Kernel and AutoGen foundations
Microsoft.Extensions.AI: Unified abstractions for using AI across providers (Azure OpenAI, GitHub, etc.)
Model Context Protocol (MCP): Standardizes agent interaction with external data and toolchains

Sample code and project templates are provided for fast starts with AI agents, with support for rich UI through AG-UI and C# client frameworks (including MAUI and Blazor).

Framework and Tooling Advancements

ASP.NET Core and Blazor

Security, OpenAPI 3.1, performance, diagnostics
Passkey (WebAuthn/FIDO2) authentication support
Enhanced Blazor component state, forms and validation
Observability improvements for diagnostics

.NET MAUI

Support for latest Android and iOS updates
Improved XAML performance and developer experience
Enhanced controls, media features, and platform integration

Aspire

Orchestrate distributed, observable, production-ready apps with integrated telemetry and resource management features
Supports polyglot scenarios and simplified deployment to cloud and on-prem

Entity Framework Core 10

AI-ready features (vector search, hybrid search for AI/RAG workloads)
Advanced JSON and complex type handling
Improved query and data access performance
Better Azure SQL and Cosmos DB integration

Developer Tools

Visual Studio 2026: Integrated Copilot agents for code generation, debugging, and performance analysis
C# Dev Kit for Visual Studio Code: Modern C# editing, solution-less mode, improved Razor support, integrated test coverage
.NET SDK: CLI enhancements for productivity, better container support, SLNX simplified solution format
NuGet: Improved security audit, MCP server publishing, and vulnerability remediation tools

Azure Integration

First-class support for Azure SQL, Cosmos DB, AppHost orchestration, and cloud-aware deployment workflows
Vector search and hybrid search to enable AI/ML scenarios directly on Azure data backends

Getting Started

Download .NET 10 from get.dot.net/10
Access tutorials, documentation, and videos showcasing new features and migration guidance

For in-depth details, explore the official What’s new in .NET 10 and related documentation.

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