Modernizing .NET Applications Faster with Visual Studio and Copilot | VS Live! Las Vegas 2026

Author: Microsoft Visual Studio - Bewertung: 0x - Views:0

Modernizing legacy .NET applications doesn’t have to take months. In this Visual Studio Live! session, Sean Galloway shows how developers can accelerate modernization using Visual Studio 2026 and GitHub Copilot to upgrade apps faster, safer, and with less manual effort.



From simple version bumps to full migrations from .NET Framework to modern .NET, this session demonstrates how AI-powered tools can analyze, plan, and even execute upgrades—helping teams unlock better performance, security, and developer productivity.



🔑 What You’ll Learn

• Why modernizing .NET apps matters (performance, security, and maintainability)

• How simple version upgrades can deliver major performance gains

• Using GitHub Copilot to assess, plan, and execute app modernization

• How the modernization workflow works (analyze → plan → upgrade → validate)

• Migrating legacy apps including MVC, WinForms, and APIs

• Handling dependencies, NuGet packages, and breaking changes

• Modernizing Web Forms apps using the strangler fig pattern

• Leveraging Blazor as a migration path for legacy web apps

• Using Copilot CLI and agents for automation outside Visual Studio

• Extending legacy apps with modern capabilities like AI-powered features



⏱️ Chapters

00:00 .NET modernization challenges

01:19 Why modernize: performance, security, and cost

06:57 Modernization workflow and strategy overview

08:49 Copilot-powered modernization explained

11:19 Demo: upgrading an MVC app with Copilot

17:56 Understanding upgrade plans and automation

27:18 Demo: modernizing a WinForms application

32:00 Adding AI features to legacy apps

36:54 Handling dependencies and breaking changes

43:36 Modernizing Web Forms with the strangler fig pattern

48:42 Blazor components for incremental migration

56:57 Using Copilot CLI for modernization workflows

1:02:35 Migrating to Azure and cloud modernization

1:05:03 Resources, workshops, and next steps



👤 Speaker

Jon Galloway (@JonGalloway)

Princial Program Manager, DevDiv Community Team, Microsoft



🔗 Links

• Download Visual Studio 2026: http://visualstudio.com/download

• Explore more VS Live! sessions: https://aka.ms/VSLiveLV26

• Join upcoming VS Live! events: https://aka.ms/VSLiveEvents



#dotnet #visualstudio2026 #githubcopilot #visualstudio #vslive