On June 30, 2025, the VS Code Team announced a significant milestone in their plan to transform VS Code into an open source AI editor: the GitHub Copilot Chat extension is now available on GitHub under the MIT license. This move is aimed at fostering community-driven innovation and enhancing data transparency in AI development. The team encourages users to explore the open-source codebase, which includes details on agent mode, context sent to LLMs, and system prompts. Contributions and feedback from the community are welcomed, with plans to integrate this code into the core VS Code. While the original GitHub Copilot extension for inline completions remains closed source, the team intends to incorporate that functionality into the open-sourced Chat extension soon. Their ongoing priorities include delivering strong performance, extensibility, and a user-friendly interface as they embark on this open-source journey.
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