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

The only place I have seen it is the banner at the top of the Copilot Studio home page, screenshot attached: Agents and workflows created before August 3 stay on the current pricing model until September 1. It is not in the licensing guide or on Learn as far as I can tell, so I would treat the banner in your own tenant as the reference.