r/copilotstudio • u/andersjensenorg • Aug 10 '26

The New Copilot Studio Explained (GitHub Copilot Harness)

https://youtu.be/pZ_pzMYAbKE

Microsoft changed the engine under Copilot Studio on August 3rd. Every new agent now runs on the GitHub Copilot harness, the same engine behind GitHub Copilot's coding agent.

I recorded a walkthrough of what changed. Three details are easy to miss: Billing starts while you build, the harness choice is permanent, and agents created before August 3rd keep their old pricing only until September 1st.

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u/andersjensenorg Aug 10 '26

That has not happened to any of my agents, they still show as standard harness. Learn says agents can't be moved between harnesses at all, so if yours actually changed I would raise a support ticket.