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What's New in ASP.NET 10

Upgrade your ASP.NET skills to .NET 10. This course will teach you the new features and improvements that reduce boilerplate, simplify Blazor development, and enhance API validation.

Beginner
1h 10m

Created by James Millar

Last Updated Apr 10, 2026

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  • Course

What's New in ASP.NET 10

Upgrade your ASP.NET skills to .NET 10. This course will teach you the new features and improvements that reduce boilerplate, simplify Blazor development, and enhance API validation.

Beginner
1h 10m

Created by James Millar

Last Updated Apr 10, 2026

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  • Core Tech
What you'll learn

Modern web development evolves quickly, making it challenging to stay current while maintaining and upgrading existing applications. In this course, What's New in ASP.NET 10, you'll gain the ability to build modern web applications using the latest features in ASP.NET Core 10 and confidently upgrade existing applications to this long-term support release. First, you'll explore built-in validation for Minimal APIs and the new OpenAPI 3.1 features including YAML format support and server-sent events.
Next, you'll discover Blazor improvements like the declarative PersistentState attribute, enhanced NotFound handling, improved reconnection experiences, and JavaScript interop enhancements.
Finally, you'll learn how to implement passkey/WebAuthn authentication, leverage improved API authentication defaults, and navigate breaking changes when migrating from .NET 8 or .NET 9.
When you're finished with this course, you'll have the skills and knowledge of ASP.NET Core 10 needed to leverage new productivity features, implement modern passwordless authentication, and safely upgrade your applications to .NET 10.

What's New in ASP.NET 10
Beginner
1h 10m
Table of contents

About the author
James Millar - Pluralsight course - What's New in ASP.NET 10
James Millar
20 courses 4.1 author rating 483 ratings

James Millar is a freelance software developer based in Malmesbury, England. He has a passion for the cloud and has designed services that handle millions of transactions every day.

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