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Microsoft Expands Open-Source Offerings with New CLI Editor and AI Integration

At Build 2025, Microsoft unveiled Edit, a lightweight CLI text editor, and announced open-sourcing GitHub Copilot in VS Code and Windows Subsystem for Linux.

Microsoft Edit is a modeless command line text editor with a Text User Interface (TUI)
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Overview

  • Microsoft introduced Edit, a new open-source command-line text editor for Windows, designed to address the absence of a built-in CLI editor in 64-bit Windows.
  • Edit will debut this summer through the Windows Insider Program and is lightweight at under 250KB, featuring keybindings, multi-file support, and find-and-replace functionality.
  • The open-sourcing of GitHub Copilot in VS Code will enable AI-powered capabilities to migrate to the VS Code repository over the coming months.
  • Windows Subsystem for Linux (WSL) has also been open-sourced, allowing developers to access and modify its source code for customization.
  • These initiatives reflect Microsoft's broader commitment to open-source collaboration and enhancing developer productivity on the Windows platform.