This room has been relatively silent recently. Just in case it gets frozen, I will remind that moderators can unfreeze chatrooms - so you can ask some moderator (from any site) whether they would be willing to do so. See also: meta.stackexchange.com/tags/frozen-rooms/info and How do I unfreeze a frozen chat room?

Is it understood morally where Feynman integrals come from in Kontsevich's deformation quantisation? Try as I might to read his papers they seem just to pop out of thin air.