Ongoing deadlock in US-mediated talks between Russia and Ukraine over territorial concessions, security guarantees, and alliance limits has kept any binding peace agreement distant through late 2026. Ukrainian law requires an all-Ukrainian referendum for territorial changes, yet martial law restricts such votes, and polling shows strong public resistance to ceding land. Recent visits by US envoys to Moscow and Kyiv produced cautious statements and plans for possible trilateral discussions after Russia's September parliamentary elections, but fighting continues with no ceasefire in place. Most observers and Ukrainian surveys anticipate the conflict extending into 2027, leaving insufficient time for the required preconditions and vote before year-end. A sudden diplomatic breakthrough yielding a swift, verifiable ceasefire and referendum remains possible but would require rapid resolution of core disputes that have stalled prior rounds.