Russia Ukraine war, page-116461

"Ukrainian President Volodymyr Zelensky seemingly shut the door on the prospect of having any peace talks with Vladimir Putin — but not with Russia under a different leadership- .
Zelensky signed a decree on Tuesday formally declaring negotiations with the Kremlin autocrat to be “impossible
(mypost.com 4th Oct 2022)

This sets the scene for the timing of a negotiated settlement
ie: when either Putin or Zelensky goes....or both!