"Microsoft is under fire in the .NET community now that it is replacing the free .NET Upgrade Assistant with GitHub Copilot App Modernization. This is an AI-driven migration tool that only works with a paid Copilot subscription. The new approach is intended to make migrations faster and easier, but developers report that it is difficult to use and that the replacement is less reliable than the original tool."
"According to DevClass, the criticism is not only focused on the technical shortcomings, but mainly on the fact that a previously free option is now part of a subscription model. Developers are frustrated that functionality they have been using free of charge for years is now disappearing behind a paywall. In addition, the use of the new tool is mandatory linked to Copilot Pro, Pro+, Business, or Enterprise. Without a license, the modernization feature simply does not work."
Microsoft replaced the free .NET Upgrade Assistant with GitHub Copilot App Modernization, an AI-driven migration tool that requires a paid Copilot subscription. Visual Studio 2026 and recent Visual Studio 2022 builds can initiate modernization via Copilot Chat, where an AI agent analyzes the application, suggests adjustments, and implements changes automatically. Developers report the new tool is difficult to use and less reliable, citing examples such as Copilot introducing nonexistent nuget packages and teams spending hundreds of hours repairing failed partial upgrades. Critics object to previously free functionality becoming subscription-locked. Microsoft notes the old Upgrade Assistant remains in Visual Studio 2026 but is disabled by default and must be re-enabled via a hidden option.
Read at Techzine Global
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