Recent indirect US-Iran diplomacy on the sidelines of the September 2026 UN General Assembly, including the first direct contacts since June, produced no breakthrough on a final nuclear agreement. Iran offered a seven-day plan to reopen the Strait of Hormuz in exchange for ending the US naval blockade, unfreezing assets, and sanctions relief, but the Trump administration rejected it and insisted nuclear concessions must precede broader economic measures. Tehran has signaled willingness to discuss limits on enrichment and uranium disposition under IAEA oversight yet requires prior US economic steps and assurances against regime change. The June 2026 memorandum of understanding, which outlined a path to nuclear talks alongside Hormuz reopening and sanctions relief, has stalled amid mutual accusations of violations and deep mistrust over sequencing. No further high-level meetings are scheduled, leaving the timeline for any final deal dependent on continued Qatari-mediated talks and domestic political pressures in both capitals.