Diplomatic language cooled overnight after negotiators signaled that a public joint appearance would be delayed rather than cancelled. That does not end the dispute, but it shifts the short-term market and security readout away from immediate escalation.
Stories like this need a visibly maintained update line because the text can become stale quickly. The article model therefore treats `whatChanged` as a launch-critical field, not a discretionary flourish.
For the public reader, the value is simple: understand whether the posture changed, why it changed, and how confident officials are in the new baseline.