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GitHub Copilot for JetBrains v1.20.0 introduces Copilot Fusion and Local Sandbox GA

·2026.10.29 11:07

Key point

The release brings Local Sandbox to GA and initiates a gradual rollout of Copilot Fusion tiers.

Details

  • GitHub Copilot for JetBrains v1.20.0 introduces Copilot Fusion tiers via a gradual rollout and makes the unified Copilot agent harness the default for all users.
  • Local Sandbox reaches General Availability (GA) to support more secure agentic workflows.
  • The update aims to deliver a more consistent and seamless GitHub Copilot experience across all developer environments.
  • Users can provide feedback via a private survey, optional paid interview, or by submitting issues to the microsoft/copilot-intellij-feedback repository.
github-copilotai-agentsdeveloper-toolsjetbrainssoftware-release
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