Almost 56% of Ukrainians are in favour of seeking a solution through compromise with the involvement of international leaders in order to end the war. Almost 17% of Ukranians are in favour of a temporary freeze of the war, and 21.4% want to continue the fight to restore the borders of 1991 or 2022.
I expect that the most likely scenario is a military collapse on the front lines. After that the current regime will likely flee to the west and declare itself a government in exile. Russia will hold referendums to see which oblasts want to join Russia and leave the rest as Europe’s problem.