European leaders have advanced multilateral discussions on Ukraine’s postwar security through the Coalition of the Willing and bilateral pacts, yet none have produced a binding, Article 5-style mutual defense commitment that would trigger automatic military intervention if Ukraine faces renewed attack. France and the UK have signaled readiness for post-ceasefire troop contributions and military hubs under the January 2026 Paris Declaration, while Eastern Flank states and others emphasize sustained aid, training, air and maritime support, and EU-coordinated assistance conditional on a peace agreement. Recent EU funding for drones and missiles, plus reaffirmed backing for Kyiv amid U.S. diplomatic shifts, underscores continued practical support without crossing into unilateral, legally binding defense obligations. Upcoming EU summits and Coalition talks could accelerate frameworks, but constitutional and political hurdles in most capitals limit prospects for qualifying individual guarantees before mid-2026 deadlines.