--- title: Public Preview of GitHub Copilot's .NET App... description: GitHub Copilot's app modernization feature enhances the .NET upgrade process by automating code evaluations and transformations. Now in public preview, it... canonical: https://daily.dev/posts/public-preview-of-github-copilot-s-net-app-modernization-feature-kvz3i8xni twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Public Preview of GitHub Copilot's .NET App Modernization Feature | daily.dev og:description: GitHub Copilot's app modernization feature enhances the .NET upgrade process by automating code evaluations and transformations. Now in public preview, it... og:url: https://daily.dev/posts/public-preview-of-github-copilot-s-net-app-modernization-feature-kvz3i8xni og:image: https://api.daily.dev/og/posts/KvZ3i8xni.png og:image:alt: Public Preview of GitHub Copilot's .NET App Modernization Feature og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Public Preview of GitHub Copilot's .NET App Modernization Feature **[Collections](https://daily.dev/sources/collections)** · 2 min read · 2 upvotes · 0 comments ## Summary GitHub Copilot's app modernization feature enhances the .NET upgrade process by automating code evaluations and transformations. Now in public preview, it allows for efficient upgrades with minimal manual intervention. Users can leverage its agent mode functionality, Git integration, and testing validations for smoother transitions to new .NET versions. The recent release of .NET Aspire 9.3 further optimizes debugging, diagnostics, and deployment processes with improved resource management and integration capabilities. ## Content # Streamlined .NET Upgrades Enhanced with GitHub Copilot The modernization of .NET applications has taken a significant leap forward with GitHub Copilot's app modernization feature, now available in public preview. This AI-powered tool is designed to simplify and accelerate the upgrade process for .NET applications, minimizing manual efforts and complexity. ## GitHub Copilot App Modernization Tools GitHub Copilot introduces agent mode capabilities, enabling efficient evaluation and upgrading of .NET applications with little manual intervention. Users can download the necessary extensions from the Visual Studio Marketplace and are encouraged to provide feedback during the preview period. The tool analyzes code, identifies optimal upgrade paths, and automates code transformations, while still allowing manual adjustments as required. ### Features & Integration Copilot's modernization tool includes a variety of features that enhance the upgrade process. With Git integration and automatic test validation, the tool ensures a smoother transition to the latest .NET versions. Agent mode further streamlines these upgrades by learning from manual changes and suggesting intelligent solutions. In addition, .NET Aspire 9.3 incorporates GitHub Copilot within its dashboard for improved debugging and diagnostics. Users benefit from enhanced tracing visualization, better integration with services such as MySQL, Postgres, Redis, and Azure, as well as improved resource management functionalities. ## Enhanced Capabilities with .NET Aspire 9.3 The recent release of .NET Aspire 9.3 offers major updates that leverage GitHub Copilot for faster and more effective diagnostics. New API and integration improvements enhance Azure storage and KeyVault capabilities, while app model updates improve URL customization and expand deployment options. ### Deployment and Diagnostics Developers can now enjoy streamlined diagnostics and deployment processes with enhancements like YARP reverse proxy support and easier Azure App Service integration. The dashboard capabilities are further augmented by default telemetry collection to provide useful statistics without compromising personal data security. ## Conclusion GitHub Copilot's app modernization for .NET marks a transformative phase in managing .NET upgrades. By automating code transformations and integrating various essential tools, developers experience a smoother and more efficient upgrading process. As the tool progresses, users are invited to explore its functionalities and contribute feedback to optimize its capabilities. The ongoing evolution of .NET applications becomes significantly easier and less labor-intensive, setting a new standard for app modernization. ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#github](https://daily.dev/tags/github), [#.net](https://daily.dev/tags/.net), [#visual-studio](https://daily.dev/tags/visual-studio) [View this post on daily.dev](https://daily.dev/posts/public-preview-of-github-copilot-s-net-app-modernization-feature-kvz3i8xni) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Public Preview of GitHub Copilot's .NET App Modernization Feature","url":"https://daily.dev/posts/public-preview-of-github-copilot-s-net-app-modernization-feature-kvz3i8xni","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/public-preview-of-github-copilot-s-net-app-modernization-feature-kvz3i8xni"},"datePublished":"2025-05-19T16:29:33.405Z","dateModified":"2025-05-20T15:37:35.439Z","description":"GitHub Copilot's app modernization feature enhances the .NET upgrade process by automating code evaluations and transformations. 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