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GitHub supports over 7 billion monthly commits with a new Git architecture — also announces new features like Copilot Fusion [GitHub Universe 2026]

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At GitHub Universe 2026, a new Git architecture designed for the agent era and new features such as Copilot Fusion, which automatically switches between multiple models, were announced.

Key points

  • •New features 'Copilot Fusion', which automatically switches between multiple AI models, and 'Copilot Projects', which handles tasks across multiple repositories, were announced.
  • •All Copilot features will be available on GitHub Enterprise.
  • •A new Git architecture designed to withstand massive writes from AI agents was presented.
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