For three days at a stretch, Amsterdam will be the health interoperability capital of the world. FHIR DevDays are aimed at developers, architects, product managers in health IT. Their bosses are welcome too. The 2015 Edition welcomed developers and architects from over 20 countries from 5 continents. New tools and features like FluentPath and the Notepad++ FHIR Plugin were presented at DevDays. Founding Father of FHIR Grahame Grieve revealed the latest plans for FHIR and the community at DevDays.