There is a rumor that a coup had placed Xi under house arrest and had silently taken over the country a few weeks ago. Normally rumors don’t mean anything in most countries. But this is China where anyone speaking out against their leader would mean you’d get “disappeared”.
Supposedly the coup plotters don’t like the direction China has taken and want a return to good relations with the West when everyone was making money.
Moving away from relations with Russia could be a sign of this.