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The Art of Simplicity

GitHub Copilot's February 2026 VS Code release introduced the `/fork` command, which lets you branch a chat session into an independent thread while preserving the full conversation history. This solves the problem of having to either lose context by starting a new session or clutter a single session when exploring multiple implementation approaches. You can fork the entire session or from a specific checkpoint message. The forked session inherits conversation history and codebase context but not file changes made after the fork point. Tips include forking early, naming sessions, using `/compact` before forking to trim noise, and using checkpoint forks to recover from a session that went off track.

How to explore multiple solutions in parallel when using Github Copilot