GitHub Details Migrating the Copilot Runtime to Rust, Using Copilot Itself
abraham · hn · 2026-09-17
GitHub's engineering team published a detailed write-up on migrating the GitHub Copilot runtime to Rust, using Copilot itself to assist much of the work.
The post covers the motivations (performance, memory safety, reliability), the phased migration path, and how AI coding assistants were folded into a large-scale refactoring workflow — a rare first-hand engineering retrospective.
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