Modernizing .NET Applications with GitHub Copilot: From Painful Upgrades to Minutes

If you’ve worked with .NET applications for a while, you probably know one thing: Upgrading .NET versions used to be painful. You had to: Update the target framework Fix breaking changes Upgrade NuGet packages (and deal with dependency conflicts or vulnerabilities) Refactor deprecated APIs Test everything again (and hope nothing broke in production) Even for a medium-sized application, this could easily take days or even weeks. What has changed now? With tools like GitHub Copilot, this process is no longer the same. Tasks that used to take hours or even days can now be done in minutes . Instead of manually searching: “What changed in .NET 6 to .NET 8?” “What is the replacement for this API?” “Why is this package not compatible?” You can now: Ask Copilot directly in your IDE Get instant suggestions Refactor code faster Fix upgrade issues as you go Ok, let's get started with GitHub Copilot! GitHub Copilot is doing the following steps for the upgrade: 1. Understand the current project Ide