GitHub Copilot in VS Code v1.139 → v1.142: what changed

3 releases shipped between v1.139 (September 23, 2026) and v1.142 (October 14, 2026).

Changelog entries in this range

v1.140 — September 30, 2026: Agents Copilot harness The Copilot harness adds exciting new agent functionality to VS Code while keeping the way you work familiar. It's powered by the Copilot
v1.141 — October 7, 2026: Agent loop Copilot harness The Copilot harness adds exciting new agent functionality to VS Code. It's powered by the Copilot SDK, so its behavior and capabiliti
v1.142 — October 14, 2026: Agents Copilot harness The Copilot harness is powered by the Copilot SDK, a shared foundation that helps align behavior, capabilities, and improvements across C