The second HL7 Europe Working Group Meeting (WGM) of 2025 took place in Cologne, Germany, from 1-5 December. The Cologne WGM, held at Hotel Dorint An der Messe, continued the effort to shape the future of FHIR in Europe through topics such as HL7 FHIR specifications for the European Health Data Space like work on the EU CORE profiles, the European Patient Summary, Laboratory Report, Discharge Report, Medication, and the Imaging Report. Hands-on and tutorials, testing and refinement, and views on HL7 Europe initiatives and projects such as MyHealth@MyHands, xShare, Hospitals on FHIR and Gravitate Health completed the program. HL7 Germany’s FHIR and Terminology Community Day was also embedded in the conference, showing for example that terminology alignment was part of their technical agenda. This 3rd Working Group Meeting brought 160 individual participants to pre-Christmas Cologne, making it one of the larger HL7 Europe in-person community gatherings. We encountered a clearer momentum towards the European Health Data Space and the European EHR Exchange Format and HL7 Europe framed the meeting as part of its broader strategy to mature specifications and support harmonised interoperability across Europe. There is a short video retrospect at and some impressions from the meeting below.