GitHub Copilot Adds /worktree and /rewind Commands to Isolate AI Coding Sessions

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GitHub released a Copilot update on August 7, 2026, introducing several new commands designed to keep different types of coding work separate. The /worktree command creates an isolated Git worktree from the current HEAD, allowing developers to run experiments without affecting their main codebase. The /rewind command lets users restore a conversation and its associated file state to an earlier point, even without full Git support in every mode. Two additional commands — /side in the Copilot app and /btw in VS Code — allow developers to ask parallel questions without interrupting an ongoing task. The update also included element-level browser feedback in VS Code 1.132, enabling more precise UI change requests rather than broad redesign prompts.

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