GitHub Copilot in VS Code v1.138 → v1.142: what changed

4 releases shipped between v1.138 (September 16, 2026) and v1.142 (October 14, 2026).

Changelog entries in this range

v1.139 — September 23, 2026: Agents Run agent sessions in Dev Containers on remote hosts Setting: setting(chat.agentHost.devContainer.enabled) (Agents window only) Let agents build and test
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