In this paper, Pierre Colmez wrote about some history of the Fargue-Fontaine curve. In this schedule of London Number Theory Study Group, Fargues was said to give a talk on November 15th on " Where does the curve and the conjecture come from? What happened in Trieste, Orsay and Berkeley? ". " What happened in Trieste " is well-documented by Colmez. Is there any reference about "what happened in Orsay and Berkeley"?
The notes for the talk are indeed available in Fargues' website: