Representatives of Gas Fast Reactor (GFR) system within the Generation IV International Forum from France, Euratom, and Japan met in Trnava on June 11th-12th. Recent advances in Conceptual Design & Safety of GFR were presented. Special emphasis has been given to reporting of the activities on Fuel & Core Materials. The synergy with the VHTR system related to structural materials was also addressed and reported. The fruitful discussion opened several possibilities for the further collaboration between EU countries and Japan